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JOURNAL OF RARE EARTHS (Special Issue)
Proceedings of the2nd International Conference onRare Earth Development andApplicationVol.1
Beijing, ChinaMay 27-31, 1991The Chinese Society of Rare Earths HANNOV£:R
Edited by
Xu GuangxianProf, and Director of Inorganic Chemistry Division
Beijng University
Xiao JimeiProf, and Chairman of Department of Metal Physics
University of Science and Technology Beijing
Yu Zongsen
Prof, of Minsitry of the Metallurgy Industry
Chen MinboProf, of Shanghai Institute of Organic Chemistry
Academia Sinica
International Academic PublishersA Pergamon-CNPIEC Joint Venture
CONTENTS
Foreword '. v
Welcoming Speech vii
Section A RE Chemistry
Coordination Chemistry
The Luminescence of Europium with /?-Dicarbonilic Ligands and its Analytical ApplicationN.A. Tishchenko, V.V. Tishchenko, G.I. Gerasimenko, A.I. Markina 3
Spectxophotometric and Potentiometric Study of Binary and Ternary Complexes ofRare Earth Metals IonsCIII) with Spadns and NTA or EDTA as Primary Ligands
Puzikov E.A., Khmylcv I.V., Pyartman A.K 4
The Hard Base [C1OJ as Tridendate Ligand in Anhydrous Complexes of Lanthanide IonsFrederic Favicr and Jean-Louis Pascal 7
Preparation and Structural Characterization of Lanthanum Hydroxide Dihydrogen DiphthalateMonohydrate
Jutang Sun, Songnian Yao, Xiuzhen Du, Shengyun Chen 11
Synthesis and Structure Studies of A Novel Tetranuclear Complex,
Delong Zhang, Qi Shen, Yonghua Lin, Chun—Hui Huang, Guang—Xian Xu 15
Relationship Between the Structures of Monoalkyl t-Butylphosphonates and TheirExtraction Behaviours on Yb(III), Lu(III)
Ye Weizhen, Xu Qingren, Shen Dingzhang 19
Research on Separation of Rare Earths by Cation Exchange FibreLunyan He, Changming Yang, Ziyin Gu, Pinggui Hu, Sinan Wang, Xiaoyan Jiao 22
-x l -
Pr and Nd Perchlorate Complexes with Meso— and Recbis (Phenylsulfinyl) EthaneZhang Ruohua, Liu Qunying 27
Infared Spectra and X-ray Photoelectron Spectra of the LanthanideComplexes with Diethyl Sulfoxide
Lui Jinxin, Zhang Liying, Sun Yuanhong 33
Synthesis and Magnetism of Binuclear Pr(Iir)-Pr(III) and Gd(IH)-Gd(III) ComplexesUsing the Dianions of Chloranilic Acids as Bridging Ligands
Jiang Zonghui, Liu Zongming, Liao Daizheng, Wang Genglin 36
The Study of l-phenyl-3-methyl-4-benzoyl-5-phrazolone (PMBP) Complex of Tb4+
Pang Lun, Chen Jinming, Chen Ronglian 41
Separation of Rare Earths from Zinc, Calcium, and Magnesium with P507 Levextrel ResinLiang Yuanming, Liu Zhanliang, Lin Miaojia, Huang Yulin • 45
Sensitized Luminescence Properties and Stability Constants oflndole Derivatives-Terbium (III) Complexes
Lei Hengyi, Yang Yansheng 48
Study on Electronic Structure and Bonding of Rare Earth Phthalocyanine ComplexesLi Zhenxiang, Ni Jiazan 51
Crystal and Molecular Structure of a Cryptate H2Yb(NCS)3(NO3)2(2,2,2) • H2OLi Yuejun, Zhu Qixiu, Xu Zhenhua, Xu Guangxian, I.S. ButterHan Yuzhen, Ma Jiesheng 53
Evidence for Long—Distance Bonding Interaction Around the Pr(III) Atom; X—ray Structure of theTetranuclcar Pr(IH) Complex, [Pr^-OH^Gia-ClkGi-CO^CS^fTHF^fHjO)^ • 2THF
Xu Duanjun, Liu Wentian, Lin Yingzhang, Wu Jinguang,Xu Guangxian, Nobutami Kasai 57
Study on Ternary Complexes of Rare Earth with Mixed Ligands V. Synthesis, Characterization andBioactivity of Indole-3-Propanoic Acid(IPA)-O-Phenanthroline (Phen)-Rare Earth (RE)Ternary Complexes
Wang Liufang, Chen Zhonglin, Wu Jigui, Wang Qi, Jiang Zhicheng, Zhang Bin 60
Synthesis, Characterization and Crystal Structure of Undeca—Coordinated Complexesof Lighter Lanthanide Nitrates with Tetraglycolic Bis(P-Methoxyanilide)
Tan Minyu, Gan Xinmin, Liang Zhijan, Tang Ning, Zhou Zhongyuan, Tan Ganzu 62
The Structural Study of Lanthanide Complex with Nicotinicacid in Aqueous Solutionby Induced Relaxation Ratiomethod
Liu Qingliang, Yu Huaming, Lu Fci, Xie Boping 65
Luminescence and Energy Transfer of Complexes of Ln(III) with Three IndoleDerivative /}-diketones
Wu Shilling, Yang Yensen 68
-xii-
Rare Earth Complexes of Polyaza Polycarboxylic Macrocycle(II) Syntheseis andCrystalStructure of Dysprosium Complex of 1—OXA —4,7,10-Triazacyclododecane—N, N', N"—Triacetic Acid
Jin Tianzhu, Zheng Zhiping, Xu Guangxian, Lin Xiuyun, Han Yuzhen 73
Solid Chemistry and Bioinorganic Chemistry
Magnetic and Valence Behaviour of Yb and Eu Ions in the Compounds and AlloysSynthesized Under High Pressure
A.V. Tsvyashchenko 77
Influence of Pressure on the Formation of the New Ternary Laves Compounds in the RE-3dTransition Metal Systems and Magnetic Properties Some of the Compounds
L.N. Fomicheva 84
Magnitude of Tetrad - Effect: A Probable Dependence on Ligand CharacteristicsS.N. Limaye, A.A. Kopyrin, M.C. Saxena 88
Crystal Field Analysis of Eu31 Doped Lanthanum Oxyfluoride, LaOF : Eu3+
Jorma Holsa 91
Evolution of Crystal Field Effects in Reoci SeriesE. Antic-Fidancev, J. Holso, M. Lemaitre-Blaise, P. Porcher 95
Rare Earth Disulfides — A New Group of Layered CompoundsT. Shilkina, I. Vasilyeva 99
Preparation and Characterisation of Single Crystals of RE Alloys and CompoundsY.J. Bi, J.S. Abell, D. Fort 100
Electrosynthesis of Some Rare Earth Metal Thin Films from Aqueous BathsCD. Lokhande, R.D. Madhale I l l
Xanes Study of Valence Fluctuation in Sm^Eu^S SystemR.K. Singhal, K.B. Garg 112
Magnetization and X-ray Studies on YFejH,Kazuo Kanematsu 116
X-ray, Magnetization and Mossbauer Studies of PuNi3 Type Compounds Y^Zr^Fc^and Their Hydrides
Kazuo Itoh, Kazuo Kanematsu 120
Studies on Isonicotinoyl Dithiocarbazate Complexes of Rare EarthsSunita Narswani, Narender K. Kaushik 124
Temperature Dependence of Electrical Conductivity in Li0$_x/2ZnxFe1J_x/2O4 FerritesD. Ravinder 1 3°
-xiii-
Electrophoretic Investigations of Hydrolysis and Formation of FluorideComplexes of Carrier— Free 155Eu
D. Schumann, A.F. Novgorodov, V.A. Khalkin 134
Cathodoluminescence of RE Optical CrystalsZamoryanskaya M,V 138
Quantum—Chemical Studies of Active Centre Models in Butadiene Polymerizationwith Nd-Al Catalysts
Z.M. Sabirov 140
Interaction of Lanthanum with Montmorillonite at Temperatures Up to 7001J.M. Trillo, M.D. Alba, M.A. Castro, A. Munoz, J. Poyato, M.M. Tobias 142
RE as a Probe of the Ordering Degree of Solid SolutionsN.N. Zlotnikova, N.V. Melnichenko, N.P. Efryushina 151
The Effect of Rare-Earth Elements on the Electron Structure of Bi2_xGd,,Ru2O7 andBi^NdjRujO,: Study by XPS and X-ray Spectroscopy.
G.F. Khudorozhko, E.A. Kravtzova, L.N. Mazalov, I.P. Asanov, G.K. Parygina 152
Studies on the Interactions Between Baicalin and La(III), Nd(III), Sm(IU.) or Yb(III)Fang Yu, Hu Daodao, Tang Jiayi, Zhu Wenqing and Sun Zuomin 156
The Influence of Rare Earth Dopant on the Properties of NdP5O)4 CrystalLi Baoxiang, Yu Yaqin 160
Study on the Properties of Perovskite Type Rare Earth Gallates CrystalsVang Jianmei, Su Qiang, Wang Hongyan 164
Study on Coordination of Rare Earth with L—Methionine by Potentiometry and CalorimetryGao Feng, Niu Chunji, Ni Jiazuan 167
Synthesis and Luminescence of Eu(DMBM)2 • bipy • NO3
Wang Mingzhao, Jin Linpei, Huang Shihua, Qin Weiping 170
The Influence of Electronic Configuration of Metallic Ion on the Electric Propertiesof Rare Earth Complex Oxides
Ren Yufang 173
Raman and IR Studies on Na5Eu(MoO4)4, NasEu(MoO4)4 and NaEu(MoO4)2
Guo Changxin, Li Bilin 177
XPS Studies of Rare Earth Chloride Complexes with Oxidized GlutathioneZhang Shugong, Niu Chunji, Ni Jiazuan 181
The Syntheses and Structure of AEuI3(A = Rb, Cs)Cao Baopcng, Su Dong, Zhao Xinhua, Wang Shihua 184
-xiv-
Poisson's Ratio Limits and Effects of Hydrostatic Pressure on the Elastic Behaviour ofSm,_xYxS Alloys in the Intermediate Valence State
Tu Hailing, G. A. Saunders, H. Bach, S. Methfessel 186
About Difference of Sm Valency in Sm,., MXB6 (M = Ba.Eu) Given by LatticeParameter Variation and X—ray Absorption
N.N. Yefremova, L.D. Finkelshtein 196
Preparation and Photoelectrical Properties of (GeS),_x(Nd2S3)x Single CrystalsB.G. Tagiev, G.M. Niftiev, G.B. Gasymov, M.I. Murguzov, A.S. Alekperov 199
Neodymium Spectra in Lanthanum—Gallium SesquisulfideGunduz M. Niftiev, Bahadur G. Tagiev, Firuz B. Askerov, Valerij M. Markushev,Vladislav Th. Zolin, Gjadiminas Y. Dubauskas 203
Effect of Active Center Concentration on Absorption Spectra of Pr3+ in Tetraphosphate CrystalsW. Strek, M. Galczynski 206
Effect of Chemical Environment on the Magnitude of X—ray Resonance Absorptionat L Edges of Heavy Earths
N.K. Garg, Galav Shah, C.K. Upadhyaya, S.V.Gupta 209
Crystal StructureI.R.Amiraslanov, Yu.G. Yusifov, G.G. Guseinov 213
Molten Solt Chemistry and Physical Chemistry
Physico-Chemical Investigation and Perspective of Practical Application of CeO2-PrO2
LA. Smirnov, K.G. Gartsman, T.B. Zhukova, N.F. Kartenko, S.A. Kizhaev,B.T. Melekh, S.V. Nikitin, Y.N. Filin, A.I. Shelykh 217
Physico-Chemical Investigations of the Bromides and the Iodides of the LanthanidesDudareva A.G 229
Equilibrium Dissociation Pressures in the System SmH2—SmH3
Longmei Wang, K. Conder, E. Kaldis 230
Determination of Complex Stability Constants of Lanthanides witha - Hydroxy - a - Methylbutyrate
D. Schumann, M. Vobecky 234
Temperature Dependence of Elastic Constants in Rare Earth ChalcogenidesChul Koo Kim, Tae Song Kwon, Kyun Nahm 237
Niobium Surface Modification by Lanthanum in Salt MeltsA. Glagolevskaya, S. Kuznetsov, E. Polyakov, P. Stangrit 240
Nonstoichiometry and Phase Transition of BaSm2Mn2O7
N. Kamegashira, S. Umeno 242
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Kinetic Parameters for the Hydrogenation of Formic Acid Over Lu-Promoted RhodiumCatalysts Obtained by Drifts
Jose J. Benitez, Rafael Alvero, Jose M. Trillo, Jose A. OdriozolaIgnacio Carrizosa 246
Spectroscopy of Tangstates, Niobates and Tantalates of Lanthanides with a Fluorith StructureV.M. Markushev, S.N. Vetkina, V.P. Sirotinkin, A.A. Evdokimov 251
Dynamic Models for Prediction of Physico—Chemical Properties of TernaryChalcogenides of Rare-Earths
Kutolin S.A., Muler P.B., Gadzhiev S.M., Aliev F.G., Mamedova L.A 253
The Effects of RE Oxide-Slag Added to Charges on the Quality of Cupola Liquid IronWu Bingyao, Su Huaqin, Wu Qiang, Jiang Jianzhong, Yin Yanshong, Wu Yuning 260
The Surface Tension of Liquid RE Containing Aluminium Alloy and Its Wettibility andAdhesive Power on Model Wall
Wang Tianxiang, Chen Xiawen, Chen Tong 265
Thermodynamic Properties of Al-Ce-S and Al-Cu-Ce Liquid SolutionsSun Yunyong, Wang Longmei, Du Ting 269
Thermodynamic Properties of Cu-Ce-S, Cu-Y-S Liquid SolutionsLi Guodong, Du Ting 273
Dispersion Strengthening of Zn-Al Based Cast Alloy by Spraying Rare Earth Oxide ParticlesNiu Yinyi, Liu Changming, Zou Gang 276
A Study on Phase Diagrams and Thermodynamic Properties of Systems Containing RareEarth Chlorides
Qiao Zhiyu 2 8 2
The Study of Electro-Deposition of Yttrium on Molybdenum and Nickel Electrode byUsing Cyclic Voltammetry
S. Duan, C. Zhou, Z.Y. Qiao, Q. Zhai 2 8 7
Calculations of Angular Overlap Parameters for Eu3+ Ions in KY3F10. YPO4
and YVO4 CrystalsWu Zhijan, Zhang Siyuan 2 9
A Study on the Structure and Properties of Ag-La AlloyMaYuxiang,ShiLu,ChenDejun,ChenZhujm 295
Thermochemical and Thermodynamic Studies of Lafl^Al,.,),, AlloysXu Xiuguang, Li Guangqiang, Yu Hualong, Wang Changzhen 300
The Thermodynamics of the RE(Nd,Pr,Sm)-O-F Systems ^
Hong Yanruo, D.A.R. Kay "
Judging a Binary Phase Diagram Containing RE and Calculation of Thermodynamic
Properties of RE Compound , j jSun Guiru, Li Wenchao, Wang Jian, Li Xinkuan
-xvi-
Microdistribution and Function of Ce in Al—Si AlloyDang Ping, Han Qiyong, Du Weixi 317
A Study of Influence on Al—Mg-Si Alloy by Addition of LanthanumWang Shaoling, Zhou Xiaoping, Yu Yingmei 320
Influence of RE on Wear-Resistance of Alloy ZA 27Xiang Hongyao, Gong Benkui, Ma Hengyu, Zuo Huimin, Zhou Guanghui 325
High Strength Yttrium—Bearing Magnesium Alloy MB26Lu Liqi, Wei Guo 330
Determination of Phase Equilibria of Intermediate Compounds in Ternary SystemsLi Xingkang, Li Wenchao, Wang Jian, Chou Kuochin 335
The Effect of Cerium on Wettability of A12O3 / Al-4.5Cu AlloyLiu Yaohui, He Zhenming, Yu Sirong, Dong Guitian, Li Qingchun 340
Hole Burning, Erasing and Thermal Filling in Sr0 5Mgo^FCl, 5Br0 5 : Sm2+ MixedCrystal at Liquid Nitrogen Temperature
Mu Shi jn, Yu Jiaqi, Huang Shihua 344
Investigation of Preparation and Crystal Chemistry of Autocatalyst LaCu05Mn0 5O3
Le Van Huan 347
Analytical Chemistry
Determination of Rare Earth Impurities in Terbium by HPLC / ICP-MSYasushi Nakamura, Yoshio Kobayashi 351
Sorption-Luminescent Determination of Samarium and Europium in High PureLanthanide Oxides
S.V. Beltyukova, G.M. Balamtsarashvili, T.B. Kravchenko 355
Determination of Lanthanum, Yttrium and Copper in the High T c Superconductor (HTS)-Ceramic by Amperometric Titration
N.A. Ezerskaya, I.N. Kiseleva, M.V. Afanas'eva, N.K. Bclsky, L.I. Ochertyanova 357
Luminescent Determination of Europium in Extra Pure Scandium OxideE.R. Gubanova, N.P. Efryushina 3 5 9
Spectrophotometric Determination of Cerium, Praseodymium and Ytterbium in
Phosphoric Acid Complex SolutionsV.T. Mischenko, V.A. Perfiliev 3 6°
Combined Methods for Determination of Yttrium, Zirconium and Cerium in
Non-Ferroud AlloysLobanov F.I., Logunova S.A., Ivanova N.V., Maximcnko E.V 362
-xvii-
Determination of Non-REE Impurities in 15 Individual Pure Rare Earth Oxides byChemical Spectrographic Method
Zhang Xianlu 363
Studies on Energy Levels of Rare Earth Elements by Photoacoustic SpectroscopySu Qingde, Zhao Guiwen 366
Studies on Rare Earth Elements by Photoacoustic SpectroscopyZhao Guiwen, Su Qingde, Wu Jiaqi, Shao Xueguang 371
Study on the Acquirement of Single Rare-Earth Element Using Radi oisotope X-rayFlourescence Spectrum Line Analysis Method
Li Zengqiang, Wu Wenqi 374
The Determination of Eu and Tb in Gd2O3 with Derivateve Spectrophotofluorimetryand Internal Standard Method
LiuWenhua 379
Section B RE Resources and Metallurgy
RE Separation, Extraction Chemistry, Mathematical Modeling, Hydrometallurgyand Equipment
The Simplex Method to Describe of the Technological ProcessesIlya N. Beloglazov 385
Separation Factors Between Adjacent Rare Earths Extracted from a Mixed Rare EarthChloride Solution Using 'Ionquest' 801 (2—Ethylhexylphosphonic Acid,Mono-2-Ethylhexyl Ester)
B.J. Balint 386
Some Problems on the Solvent Extraction of CeriumTatsuya Sekine 390
Extraction of Rare Earths by Phosphoric Acid EstersToshio Takahashi, Yukari Ishii, Akira Uchiyama, Shoji Takeda,Tetsuyuki Okumachi, Hiroaki Nishizawa, Taichi Sato 396
Chemically Based Model for the Extraction of PrtTII) and Nd(III) with Mixtures ofAcidic Organophosphorus Extractants
P.B. Santhi, M.L.P. Reddy, T.R. Ramamohan, A.D. Damodaran 400
Solvent Extraction of Rare-Earth Elements from Hydrochloric Acid Solutionsby Di-(2-Ethylhexyl)-Phosphoric Acid in the Presence of TrioctylPhosphine Oxide or Pyridine
Taichi Sato, Keiichi Sato . . 409
Extraction of Rare Earths from Apatite RockL.N. Komissarova, P.P. Melnikov, G.Ya. Pushkina, G.V. Zimina,T.N. Glubokova, T.A. Slyvko 413
Separation of Lanthonides from Indastrial SolutionsZebreva A.I., Andreeva N.N., Pasynkova T.A., Sayfullin N.A., Manuilova O.A 415
Mathematical Simulation for the Counter Current Extraction of Separating Nd and Smwith HDEHP
Huang Wenmei, Xue Qifeng, Shen Yunyu, Ya Wenhou 416
A Study on Extraction of Nd(III) with Solid Supported Liquid Membrane ContainingHEH(EHP)
Li Biaoguo, Huo Zichun, Liu Yanmin, Xu Guanxian, Zhu Guobin 420
The Application of Multicomparment— Settler Extractor to Rare Earth SeparationFuZizhong 425
Intraparticle Diffusion of Rare Earths in Porous Cation ExchangersLing Daren, Zheng Zuying, Chang Shengdong, Dan Guiping 427
Study on the Extraction of Rare Earth Salicylate by Primary Amine N1923Li Yongxiu, Ni Zhaoai 431
Influence of Primary Amine N1923 and Thiocyanate on the Kinetics of Erbium(III)Extraction from Hydrochloric Acid Solutions by HEH / EHP
Sun Ducheng, Li Deqian 434
A New Fractional Extraction Process "FB Method" and its Simulation and Applicationin Rare Earth Separation
Zheng Zhong, Liu Zhaogang, Wang Wenlian, Song Hongfang 438
The Model for the Extraction Equilibrium of NdCl3-SmCl3-HCI-HDEHP-Kerosine SystemXue Qifeng, Shen Yunyu, Ya Wenhou 442
Extraction of Scandium, Europium, Samarium from Waste of Coal IndustryV. Strelkov, N. Chizhov, Y. Kudryavsky, V.Gorshkov 445
Preparation of Metals, Alloys and RE Compounds
Synthesis and Properties of Hydroborates of Rere—Earth MetalsU. Mirsaidov, A. Kurbonbekov, M. Hikmatov, A. Badalov 447
Synthesis and Properties of Dicarbolides of Rare-Earth MetalsU. Mirsaidov, M. Hikmatov, A. Badalov 449
Synthesis of Organolanthanide Hydride Containing an Intramolecular CoordinationBond and X-ray Crystal Structure of Yttrium Hydride Complex
Qian Changtao, Deng Daoli, Xie Zuowei, Zheng Peijiu, Wu Guang 451
-xtx-
A Comparison Study on LaNis-H2 and LaNi3—H2 SystemsZhao Jianmin, Yang Kaidi, Liu Yuju, Huang Tao, Dai Chunhua 454
Separation of Zirconium in Preparation of High Purity Scandium OxideZhang Pingwei, You Shutong, Zhang Li, Feng Song, Hou Songshou 458
Preparation and Properties of Monodispersed Colloidal Particles of Neodium CompoundsDeng Hongmei, Xu Yan, Gu Yidong 462
The Extraction of Pr Metal by Electrolysis of Molten Chloride SaltFang Chenghou, Deng Rufu 465
A Study of the Technology for Producing Dysprosium and Gadolinium MetalsLi Zuoshun, Yang Guanglu, Lu Qihu 468
Study on Technology of Producing (RE) MgSiFe Alloy with Silico thermic MethodSheng Da, Lin Wei, Huang Huisong 472
A Study on the Zn-Al-RE Alloy Preparation by Using Molten Salt ElectrolysisWei Xujun, Xu Xiuzhi, Feng Falun, Chai Yongcheng 476
The Production of Neodymium Metal by Electrolysis of Neodymium OxideLiu Wenhuai, Han Zhen 480
Geochemistry and Ore Dressing
The Developing of the Rational Technology of the Synchisite Ore ConcentrationChaumdas Ashim, Myagmarjav Basan 484
Regularity Studies on the Separation of Bastnasite from Its Associated MineralsXu Gencan, Wang Jingwei 487
Research of Separating the Two Minerals (One Containing Rare Earths and AnotherContaining Scandium) from Rich Rare Earths of Blast Furnace Slag
Yang Zeqi, Zhang Qing, Zheng Xiapeng, Wang Guiming 492
Beneficiation Technology for BastnaesiteZeng Xinglan, Li Fangji 494
Physicochemical Conditions Affecting the Ytterbium Adsorption by Clays of theWeathering Crust
Zheng Zuoping, Lin Chuanxian 499
Gadolinite and Priorite-Important Industrial MineralsTao Keje , 501
-xx-
Environmental Protection
The Effects of Cerium Nitrate on Macrophage PhagocytosisCheng Haichang, Li Daiying, Zhu Rui, Gou Jing 503
Study on the Hygienic Standards of Rare Earth DustsLei Chunwen, Zhao Guangli, Jia Kejun, Zou Shiqu, Zou Tongtong,Ma Fusheng, Xiao Bangliang, Li Qiongying, Zhu Xiaofeng, Teng Aiju 506
A Follow-up Study (1980—1990) on the Relationship Between Thorium Lung Burden andHealth Effects on Miners at the Bayan Obo Mine, China
Chen Xing'an, Xiao Huiju'an, Chen Yong'e, Hao Jingfang,Deng Yunhui, Feng Guodong, Chen Lian, Yang Yingje 508
Section C New RE Materials and Their Applications
HighTc Superconductivity
Comprehensive Chemical Mechanism of High-Tc SuperconductivityL.C. Case, Sc. D 515
Effect of Ce Doping on the Properties of the Electron Superconductor Pr2_xCexCuO4
N. Babushkina, I. Arnold, S. Voinova, I. Kobrin,N. Dobrotvorskaya, N. Kasatkina, Yu. Poltoratsky, V. Sobolev 518
Technology and Properties of High Density Oxide SuperconductorsA.A. Titov, J.V. Antipov, M.I. Levin, M.V. Sakharov, A.D. Shevchenko 519
Thermodynamic Behavior of High-Tc Oxide Systems Via EMF and Related MeasurementsM. Tetenbaum, P. Tumidajski, D.L. Brown, M. Blander 523
ESR Investigation of Superconductor to Metall Transition in La2_J_yErySrxCuO4_4
L. Kan, B. Elschner, St. Elschner 529
Superconductivity and Possible Carrier Localization in YBa2Cu3_xZnxO7_y
S.K. Agarwal, R. Suryanarayanan, O. Gorochov, V.N. Moorthy, A.V. Narlikar 530
Switching on the High-Tc Contaction StructuresBorukhovich A.S 535
The Electronic Structure of 214 Based SuperconductorsV. Crisan, A. Vernes, V. Popescu, D. Kapusi, A. Janosi 540
Barium Copper Sulfides as Possible High Tc Superconducting MaterialsO.V. Andreev, N.N. Parshukov 545
-xxi-
Preparation of Superconducting Y—Ba—Cu—O Thick Films by Silk Screen Printing-Sintering Technique
Li Changjang 547
In-Situ Growth of YBCO Superconducting Films by Metalorganic Chemical VaporDeposition
X.K. Zhang, W. Tao, G.R. Bai, R. Wang, C.T. Qian, C.Q. Ye, W.K. Zhou 549
Magnetic Materials
Fluorescence Properties of Ce3+—Containing Nafion FilmA. Yamada, K. Hatta, K. Kunimi, T. Arakawa 553
Phase Transformations and Some Aspects of Antiferromagnetic State in PureRare-Earth Metals and Their Binary Alloys
A.G. Blinov, L.A. Boyarsky, G.S. Burkhanov, N.B. Koltchugina, O.D. Tchistyakov 556
Magnetic and Nuclear Hyperfine Effects in Thulium DiglycollateS. Bhattacharyya, A. Sengupta, D. Ghosh 559
Comparison of the Magnetic Properties of RCo2Si2 and RCoSi2 CompoundsAndrzej Szytula 563
Structural and Magnetic Properties of the Rare Earth—Iron—Nitrogen IntermetallicCompounds
Ying—Chang Yang, Ji—Lian Yang 567
Magnetic Properties of the Ternary Carbides Y2(Fe,Co)17C0 5 AlloysGeng Mingming, Ma Ruzhang, Zheng Lingjun, Pan Shuming 573
Studies on the Electrical and Magnetical Properties for LaSr2_xCaxV3O9± Y
Meng Jian, Ren Yufang 577
Magnetic Check ValveYang Fengyu, Li Guokun 581
Hydrogen Absorption and Desorption Properties of the Permanent Magnet AlloyNd15Fe77B8
X.Z. Zhang, C.P. Chen, Y.M. Wu, Z. Ye, J. Wu, Q.D. Wang, T.G. Qian 585
Magnetic Properties of the Electron—Doped Compounds R2_xCexCuO4
(R = Pr, Nd, Sm and Eu)Chin Lin, Zun Xiaoliu, Jian Lan, Yu Fenzhang 590
Magnetic Properties of Sm2(CoFeCuZr)17 Permanent Magnet AlloyHuang Fugui, Li Dong, Lu Qichun 593
Hot-Pressed Magnet of Melt-Spun Nd-Fe-B AlloyG.X. Huang, S.F. Yu, W.M. Gao 597
-xxil-
The Coercivity of the Sintered NdFeB MagnetsZhou Shouzeng, Tang Weizhong, Wang Run 601
Magnetic Properties and Crystallization Behavior of Amorphous (Fe^Ni,,)^ 5Nd4B18 5 AlloysZhang Jun—xian, Shen Bao—gen, Yang Lin—yuan, Zhan Wen—shan 609
New Rare-Earth Magnetic MateriaYonghong Xiong, Caoshui Xiong, Wensheng Miao, Guolan Guo,Tianfu Sun, Jianzhong Jiang, Meiqing Huang 614
High Field Susceptibility of Y2Fe14B!_xCx CompoundsZhao Zhi-gang, X.K. Sun, Y.C. Chuang 617
On Corrosion Failure of Nd—Fe—B MagnetsX.K. Sun, H.Q. Wang, C.L. Xiao, D.Y. Geng, L. Gao, Y.C. Chuang 621
The Study of Nd-Fe-B Permanent Magnets with High Energy ProductLi Wei, Li Po, Yu Xiaojun, Mei Liqun 625
Effect of Si and Al on the Coercivity of Nd-Dy-Fe-Co-B Sintered Magnets byReduction Diffusion
W. Pan, R.J. Shuai, J.P. Zu 632
Magnetic and Structural Investigation of Rapidly Microcrystallized AmorphousNd-Fe-B Alloys
Zhitao Diao, Shogo Kurita, Kenji Narita 636
Magnetic Properties of ErFe10V2> ErMn10V2 and ErFe5Mn5V2
R.J. Begum, P. Raj, S.K. Paranjpe, P. Suryanarayanan, L.C. Gupta 642
Hydrogen Storage Materials and Functional Materials
Investigation of NaLaS2 Type MaterialsL.N. Trushnikova, M.V. Saweljeva, V.V. Sokolov 644
Dielectric Materials Containing Rare Earth — Copper PhosphatesP.P. Melnikov, D.A. Voronchikhin, L.N. Komissarova, Sh.B. Ibrahimov,E.G. Zaugolnikova 645
Research and Application of Magnetooptic Materials of (BiPrGdYb)3(FeAl)5O,2Single Crystal Films
Liu Xianglin, Ruan Yuanji, Wang Hongxiang, Du Sanqing, Xu Meidi, Feng Jingzhang 647
The Effect of Rare Earth on Anisotropy of Lead Titanate CeramicsLi Hongjun, Pan Xiaoming, Yu Xiaodong 652
A Study of Super Magnetostrictive MaterialsKuang Mahua, Zhang Hongping, Du Ting 655
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Transport Properties of Electron in Y-Doped A-Si and Probable ApplicationsCheng Xingkui, Ma Honglei, Dai Guocai 658
Investigation on the Gas Sensing Properties of Ceo 9sCao05F2 95 Solid ElectrolyteWu Mingmei, Ren Yufang 663
Effect of Mischmetal Alloy on the Activation of TiFe (Zr or Cr) Hydrogen-Storing MaterialsZhang H.Y., Chen J.Y., Ping X.Y., Jiang J 667
Investigation of the Structure, Gas Sensing and Low Temperature ConductingProperties of La05Sr05COO3
Chang Yingfang, Ren Yufang 673
A Good Hydrogen Storage Alloy Pair for Space Heating and Air ConditioningC.P. Chen, Z. Ye, Y.Q. Lei, J. Wu, Q.D. Wang 677
Preparation of Nd-SiO2 Coating Films by Sol-Gel MethodHong Guangyan, Sumio Sakka 681
The Magnetostriction of PolycrystallineJiang Zhihong, Liu Xianglin, Jin Suigen 684
Studies on the Preparation, Crystalline Structure and Sensitivity Behavior of LaOFGu Xin, Wang Yuguang, Chang Zhongtai 688
Fluorescent Properties of Beta"-Alumina Activated by Divalent EuropiumWen Zhaoyin, Lin Zuxiang, Tian Shunbao 692
The Multicomponent Mischmetal Alloys Used for Hydrogen Compression andHydride Electrode
Chen Changpin, Lei Yongquan, Ye Zhou, Li Zhoupeng, Wu Jing, Wang Qidong 696
Rare Earth Metal Hydride Heat PumpYang Kaidi, Dai Chunhua, Huang Tao, Bao Deyou 701
The Electrical Behaviours of BaCeO3 and SrCeO3 Doped with Yb, Y, Gd, and La inHydrogen and Water Vapor Atmospheres
Xu Zhihong, Wen Tinglian 705
Materials of Luminescence, Phosphors and Lasers
Luminescence of Eu2+ Poly Crown Ether ComplexesGin-ya Adachi, Nobuyuki Higashiyama 711
Effects of Zn2+ on Luminescence Properties of EuI+ Poly Crown Ether ComplexesNobuyuki Higashiyama, Gin—ya Adachi 717
Rare Earth Double Phosphates: Solid State Syntheses and Luminescent PropertiesOsvaldo A. Serra, G. Zapparoli, Rosemeire M. Campos, Ieda L.V. Rosa 721
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Luminescence Spectroscopic Study of La3+ / Eu3+ Ion-Exchange Y-ZeoliteOsvaldo A. Serra, Ieda L.V. Rosa, Eduardo F. Souza-Aguiar 725
Effects of Traces of Tb3+ on Electroluminescence of BaSO4 '. Dy PhosphorsJ.D. Desai, M.R. Mulla 729
Some Properties of BaFBr : Eu PhosphorsA.M. Gurvich, M.G. Myagkova, Yu. Rudiger, A.N. Belskiy,LA. Kamenskikh, V.V. Mikhailin, M.A. Terekhin 730
On the Phosphorescence Studies of Cerium and Samarium Doped BaSD.R. Rao, S.A.K. Reddy 733
Luminescent Materials on the Base of Ba2SiO4 Activated with Dy3+ and Mn2+
O.A. Shamshurina, N.P. Efryushina, E.A. Zhikhareva 737
Materials of Luminescence on RE BasisSh, Ibragimov, E. Saugolnikova, N. Mavlanov, P. Melnikov, L. Komissarova 738
Photostimulated Luminescence of Rare Earth Doped PhosphorsMian-Zeng Su 740
Photon Gated Hole Burning of Sm2+ in BaFCLBr,_x SystemYu Jiaqi, Huang Shihua, Zhang Jiahua, Mu Sijn, Zha Binbing,Wang Xiangjun, Qin Weipin 744
The Sensitization of Dy3+ Luminescence by Ce3* and Gd3+ in Magnesium BorateGuo Fengyu, Cheng Hong, Chen Xiaobo 749
Luminescence of CeH and Sm3+ in M3Ln2(BO3)4 (M = Ca, Sr, Ba; Ln = Gd, Y)Pei Zhiwu, Su Qiang, Cui Yongsheng 751
The Spectrochemistry of Abnormal Valency Rare Earth Ions — The RelationshipBetween Spectral Structure of Divalent RE Ions and Some Chemical Factors
Shi Chunshan, Ye Zeren, Sun Jiayao, Man Shiqing, Cao Zhicheng, Zhang Renhua 755
UV Luminescence and Color Center in BaFCl: Eu2+ PhosphorsXiong Guangnan, Wang Yongsheng, Chen Lichun, Zhao Zhihuong, Xu Xurong 759
Chemical Factors Influencing Eu3* Luminescence in LnVO4 I EuYu Yaqin, Li Mei 762
Optical Electronegativity of Lanthanide IonsSu Qiang 765
Colour Measuring of Line Spectrum of Rare Earth Doped PhosphorsGao Guangtian, Sun Tiezheng, Gao Shan, Liu Xingren 770
Fluorescence Properties of Tb Diacetonc Complexes in PVB Polymer FilmLi Weili, Li Wenlian, Tang Mingdao, Wang Qingrong 776
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Preparation and Luminescence Properties of CaS : Ce3+, CaS '. Cu+ and CaS : Ce3+,Cu+ Phosphors
Zhang Zhongyi, Su Qiang, Lu Yuhua 778
Growth and Spectra of CexDy1_xP3O14 CrystalsHong Guangyan, Liao Yongzhong, Yu Decai, Wang Wenyun, Li Youmo 782
Concentration Dependence of Eu2+ Emissions in BaCl2 • Eu2+
Shi Chaoshu, Lu Xiaopu, Hou Bihui, Bai Shanyan, Song Zitai ' 786
The Two Types of Emission of Sm^in SrB4O7
He Zhiyi, Hao Zhiran 789
Energy Transfer From Mn To Tm Ions in ZnS at High PressureXu Wu, Zhang Xinyi, Xu Xurong 791
The Luminescence Properties of EuLaGa3S7 CrystalsS.M. Musaeva, M.I. Murguzov, O.B. Tagiev 794
RE Applications in Glassess and Ceramics
Systems As-Ln2S3, Phase Diagrams, Sulfide Optical CeramicsO.V. Andreev, A.V. Kertman 797
Corrosion Mechanism of Lanthanum Containing Fluorozirconate Glass in Acidic SolutionBao Shanci, Cheng Jijan 799
Effect of La2O3 on Firing Temperature of Ceramics with High A12O3 ContentKang Luxing 804
A Study on Glass Formation and Optical Property of B2O3-La2O3(Y2O3,Gd2O3)-SiO2 SystemZhang Xiyan, Yang Kuisheng ^08
Preparation of Y2O3 and Y2O3'. Eu Transparent Ceramics by Hot—PressingZhou Ming, Zhao Guiwen 813
A Study on Gel-Derived Luminescent Glass of SrO-Si02 System Doped with Eu3+
Xiao Hong, Li Bin 817
Effect of La2O3 on Properties of TiO2-BaO-SiO2-B2O3 GlassFengying Lin, Hefang Hu, Guanhong Yi, Jitian Feng 820
Characteristic of Absorption Spectra of Nd3+ in Various Base GlassesLu Bingyu, Ren Yufang, Su Qiang, Li Gingsan, Li Baoxiang, Lu Duntian 824
Colouring and Decolourizing of Glass by Rare Earth Elements CompoundsV.A. Fyodorova, E.A. Chugunov 829
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RE Applications in Catalyst
Organolanthanide Catalyzed Specific Polymerization of MM A Realizing ExtremelyNarrow Polydispersity and High—Molecular Weight
Hajhne Yasuda, Hitoshi Yamamoto, Masahiro Yamashita,Yasunori Takemoto, Masahito Furo 831
Europium as an Activator in Oxygen-Dominated PhosphorsVictor G. Krongauz, Evgeny G. Morozov, Aleksander T. Merzlyakov 833
Interaction of Lanthanum with Catalytic Silica SupportsS. Bernal, J.J. Calvino, J.M. Rodriguez-Izquierdo, H. Vidal, J. Castiglioni, R. Kieffer 834
TPD Study of Hydrogen Interaction with a High Surface Area Ceria Supported Rhodium CatalystS. Bernal, J.J. Calvino, G.A. Cifredo, A. Jobacho, J.M. Rodriguez-Izquierdo 838
Catalytic Conversion of Ethylene to Propylene Over Novel Lanthanide Catalysts Depositedfrom Solutions of Eu or Yb in Liquid Ammonia
Hayao Imamura, Tomohiro Konishi 842
Luminescence Material Based on RE MolybdatesN.M. Kozhevnikova, V.P. Korsun, I.I. Mursakhanova, M.V. Mokhosoyev 845
Cerium Chloride—Promoted Unusual Coupling Reactions of Alkenyl Grignard Reagentsand Alkenyllithiums
Tsuneo Imamoto, Toshihiko Hatajima, Koreharu Ogata 850
On the Role of Organoaluminium Cocatalysts in the Process of Diene PolymerizationEffected by Lanthanide Catalytic Systems
Monakov Yu.B., Sabirov Z.M., Rafikov S.R 853
Studies of Platinum Rare Earth Reforming CatalystsLi Fengyi, Zhang Ning 856
Rare Earth Compounds Catalyzed Copolymerization of Styrene and Conjugated DienesI. Some Features of Copolymerization and Characteristics of the Copolymers
Jin Yingtai, Li Gang, Li Xue, Wang Peixin, Pei Fengkui, Wu Yue 860
Synthesis Structure and Catalytic Properties of La2_xSr,NiO4
Zheng Hongyuan, Du Shaobin, Ma Futai, Lu Guanglie 863
Preparations, Properties and Applications of RE-Containing Dealuminated Y ZeoliteZhang Guohong, Chen Xueda, Tong Guangming, Yin Zequn 867
The Deterioration Problem of Catalysts for Auto—Exhaust ControlLiu Changlin, Zheng Qingying 872
Research on Catalytic Properties of the Perovskitc—Type Compounds: Study onthe CO Reaction
Qin Yongning, Zheng Mingquan 876
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RE Applications in Steel, Cast and Nonferrous Metals
Mechanism of Nonmetallic Inclusions Cone Formation in Steel Ingots with REM AdditionsY.N. Malinochka 879
Rare Earth Oxide Additions on the Oxidation and Decarburization of Carbide- Dispersed Iron Base Sintered Alloys
A.U. Malik, Shahreer Ahmad, Sultan Ahmad 880
Production of Aluminium Bonded and Copper Coated Rotary Forged CompactsA. Ahmad, M.S. Shuja.I.R. Harris 881
The Mechanism of Influence of Rare-Earth Metals on Graphite Morphology in Cast IronA.P. Vorobyev, LJa. Kozlov 887
A Study on the Effectiveness of Rare Earth Suicide in Nodular Iron MakingP.K. Biswas, M.M. Sakkir, B.C. Pai, V. Venkateswaran, A.D. Damodaran 892
Question of Existence of La2 AlAhmad Yazdani 893
Nature and Distribution of Nonmetalic Inclusions in Steel with RE AdditionsY.N. Malinochka, T.M.Titova 900
Interaction Between Rare Earth Elements and Important Elements in Iron—Base SolutionsDu Ting 906
Effects of Rare Earth Elements Co-Permeation on Thermal Fatigue of 3Cr2W8V SteelXiang Shang, Wei Yongde, Meng Huimin 911
Interface Structure, Microstress and Adherence of Y-modified Ion Plated TitaniumNitride Film on Mild Steel
Liu Changqing, Yu Zhiming, Wu Weitao, Yu Li, Xu Jiayin, Jin Zhujng : . 916
The Influence of Ce on Pro-eutectoid Fcrrite Transformation in Mn-Cr-V SteelWu Chengjhra, Chang Hong 921
The Probe of Rare Earth (RE) - Vacancies Group Model and Its Reaction Mechanismin Steel Surface Treating
Liu Zheng, Lu Zhenja 925
The Study on Rare-Earth Effect in Sulpho-Carbonitriding ProcessNiu Songpu, Li Jinghui 930
The Behavior of Rare Earths Dissolved in Solid Solution of SteelLin Qin, Ye Wen, Yu Zongsen, Du Yuansheng 935
Effect of RE on Weathering Corrosion-Resistance of Steel 09CuPShao Guanglu, Feng Qiaoying, Liu Hongling 939
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Effect of Rare Earth Element on Substructure and Properties of Nitrocaburized Steel 20Liu Zhiru, Cheng Yion, Go Yi, Pan Su, Tang Zhishu 942
The Influence of Rare Earths on the Anti—Oxidation Property of the Heat Resistant Cast SteelsY.Z. Zhou, H. Long, S.Q. Jia.Z.K. Chen, Y.Z.Wu 947
Effects of RE Composite Modification on the Strength and Toughness of MartensiticSi-Mn Cast Steel
Chen Shouxu, Sun Xinjun, Chen Quande, He Yanyong, Zhang ZhongshengFu Zhongmin, Wu Dehai, Liang Ji 953
Effect of Rare Earths in Laser Surface Melting of Gray IronsLiu Jincheng, Zeng Daben, Guo Yuanqiang, Huang Huisong. , 958
Influence of Rare Earth Additions on Creep and Stress Relaxation of an Al— 5%CuAlloy in the Solid—Liquid Coexistence Zone
Li Qingchun, Chen Kuiying, Zeng Songyan 962
A Study on RE—Ca—Ba Inoculant and its ApplicationsZhou Shikang, Li Jinghong, Gan Zhiyong, Ying Yu, Yan Qiguang, Du Yongan 966
A Study of Industry Process Test of Rare Earth Element in Conductive CopperZhu Yuankai, Wang Jian, Li Wenchao, Wang Yuji, Gong Maoxiu, Yang Wenli 971
The Effect of Rare Earths on Resistance to Atmospheric Corrosion of Weathering SteelsZhang Huiwen, Sun Minghua, Mao Yuwen, Yu Zongsen 975
Influence of Rare Earth Oxides on the Oxidation Bahaviour of Nickel Aluminide CoatingA.U. Malik, Rais Ahmad, Mohd. Ajmal, Sultan Ahmad 979
Influence of Rare Earth Oxide Additions on the Oxidation and Decarburizationof Carbide Dispersed Iron Base Sintered Alloys
A.U. Malik, M. Ajnal, Shahreer Ahmad, Sultan Ahmad, Rais Ahmad 983
RE Applications in Agriculture and Medicine
Contents and Fractionation of Rare Earth Elements in SoilsRan Yong, Liu Zheng 988
A Study on the Influence of Rare—Earth Elements on Pollen Activity in FourKinds of Deciduous Fruit Trees
Zhu Tongshun, Gao Baozhen 993
Effect of Rare Earth Application on the Accumulation of Mineral Element ofTree (Seedlings)
Lian Youqin 997
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The Long Term Effects of Small Dosage of Chlorides of La, Sm and Yb on Cultured CellsNie Yuxiu, Chen Yulan, Yang Jiande, Li ZhenbaoNiu Chunji, Zhang Shugong, Ni Jiazan 1000
Effect of Rare Earth Elements on Mycelial Growth and Quality of Edible FungiFu Minghua, Ding Qianfa, Cheng Yousong, Gu Zhonglan, Yang Ruichang 1003
The Dissoving Characteristics and the Precipitate Composition of Rare Earth forAgriculture Use in Natural Water
Zheng Wei, Wang Shumao 1009
Recent Development of the Study on Agricultural Utilization of Rare Earth in ChinaGuo Bosheng, Xiong Bingkun, Lai Yuansheng, Zhang Yunlin, Hu Liyin 1012
Study on the Effect of Rare Earth on AlfalfaXu Xinyu, Zhang Yumei, Li Yuanfang, Lu Zhongyi,Xing Junquing, Liu Yongguo, Zhang Yujie, et al 1015
Effects of CeCl3 on Chlorophyll Formation and Chloroplast Structure of CucumberLeaves in Relation to Fe and Temperature
Chu Zhongxi, Zhao Jing, Su Xiuzhen 1019
Miscellaneous Applications
New Polishing Powder MaterialsSedova G.N., Konukhov M.U., Bazarova N.A.,Likhachev D.S., Antonov V.I 1025
Study on Rare-Earth Silica Optical FibresGu Zhen'an, Li Lin, Dai Kangqin 1026
Tunable Optical Isolator for Single-Mode Fiber-Optics UsesLiu Gongqiang, SongHuide, Le Zhiqiang, Liu Xianglin 1031
The Tanning Properties of RE and the Application of RE to Leather MakingZhang Mingrang, Li Guoying, Wang Kunyu, Jiang Weiqi 1035
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