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Institute for Nanoscale Physics and Chemistry
INPAC’s mission:
Investigation of the effect of nanostructuring and nanoscaleconfinement of charges, spins, and photons on the electrical, magnetic, optical, and chemical properties of inorganic, organic, and biomaterials in order to reveal the fundamental relation between quantized confined states and physical and chemical properties of these materials
www.kuleuven.be/inpac
Nanosuperconductors
Nanoscale evolution of superconductivity Confined flux in individual 2D and 3D nanostructures Superconductors with nanoengineered periodic pinning arrays Nanoscale evolution of superconductivity Exploration of the ability of biomolecules to form templates for deposition of nanomodulated films
Research Activities
Nanomagnets
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TC (Φ/Φ0) for a superconducting ring
Superconducting dotsAntidots (holes) for
vortex ratchets
Cover (from top to bottom): Simulated vortex distribution in a superconducting square, cluster deposited on a surface, STM imaging of molecules.
To study the single entity properties through shrinking its dimensions (i.e., the evolution of magnetism at nanoscale)
To study superstructures (superlattices and cluster arrays) through combining the single magnetic entities (the drive in chemistry to make advanced structures from elementary building blocks)
To understand the properties of both the elementary "magnetic building blocks" (nanocells - magnetic clusters, etc.) as well as their collective behaviour when put together
HOMO
LUMO( ) -6.72 eVa1
(1 )s
(1 ), (1 )d dxy x -y ² ²
( ) -8.15 eVe3
( ) -8.10 eVe2
(1 )pz
Ag 4 bandd
(1 ), (1 )d dxz yz
(1 )dz²
X-ray reflectometry mapping of a patterned magnetic structure
Magnetic domains in an antiferromagnetic Fe/Cr superlattice
Calculated electronic structure of a Ag cluster containing magnetic Co dopants
Institute for Nanoscale Physics and Chemistry
Carbon nanosystems
Superconductor/Ferromagnet hybrid nanosystems
Vortex matter in superconductors with magnetic dots and in superconductor / ferromagnet planar hybrids New possibilities of vortex manipulation with nanoscale magnetic pinning sites and magnetic textures Novel phenomena such as field-induced superconductivity and domain wall superconductivity
Research Activities
Lattice of magnetic dotson top of a superconducting thin film
Field induced superconductivity
Order parameter distributionin a superconducting square with a magnetic dot on top
(vorticity= -27)
Magnetic domains inBaFe12O19
Carbon nanotubes and related materials, including fullerenes, are unique nanosystems with great scientific and technological potential
Realistic modeling of the electronic structure of carbon nanomaterialsExperimental probing of electrical and mechanical properties
Ring currents innanographene
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MHz
nm
SEM AFM resonance
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MHz
nm
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MHz
nm
SEM AFM resonance
SEM and AFM imaging of a coiled carbon nanotube, where the dynamic AFM mode also provides direct information about the mechanical resonance of the windings of the tube
Materials for nanophotonics
Nanoconfinement in photonics -light wavelength is inherently at the nanoscaleAdding magnetic contribution to the optical response Combining nonlinear optics with single-molecule spectroscopy at the nanoscaleEngineering and applying photonic heterostructures for the development of optical integrated circuits Designing photo - switchable proteins for increasing the spatial resolution of fluorescence microscopy
Silicon nanosystems
To integrate research on Si-based nm particles and 2D structures regarding properties of nanoparticles, layers, interfaces, and surfaces, based on a complementary study of phonons, charges, and spins
Metal-doped Si clusters Phonon and electron states in 2D systems Nanoparticles and embedding Interfaces and point defects
Research Activities
Photonic crystal of silica spheres of 290 nm and monolayer of 417 nm silica spheres
Chiral molecules
Chiral light
hν hν
Si SiMeOx
Au/Al (15 nm)
pA
BIAS
+-
pA
BIAS
-+
Vg>0 Vg <0
Au/Al
Al@Pb12+
IPS
Fe
Fe
FeSi
Intercalated Fe-Si layerin an Fe matrix
Sub-monolayer Fe-deposited(using MBE) on Si(111)
Institute for Nanoscale Physics and Chemistry
Self-assembled molecular and macromolecular structures
Precise control and creation of nanoscale organic structures (with special attention to chirality)Highly ordered 2D templates for nanostructuresSelf-assembled nanostructures under potential controlMixtures of molecules and polymers self-organizing into bicontinuous percolating systemsCharacterization of the electronic and optical properties of self-assembled structuresSynthesis of new chiral conducting polymers self-assembling into chiral supramolecular structures
Research Activities
Fundamental Research - Technology - Education
Fundamental ResearchINPAC
www.kuleuven.be/inpac
Applied ResearchIMEC
www.imec.be
EducationErasmus Mundus Master of
Nanoscience and Nanotechnologywww.kuleuven.be/MNST
STM image of rosettesformed byπ-conjugated
OPV’s
STM image of monomers and sandwich dimers of
phthalocyanine
STM image of chiral poly-(3,7-dimethyloctyl)thiophenein a chiral mono- and bilayer
INPAC – IMEC – Erasmus Mundus MNST
Chains of bacteria, visualizedby electron microsocopy can be
used as (in this case 1D) templatesto deposit nanoparticles
Research Facilities
Thin film preparation
Nanostructuring techniques
Molecular beam epitaxySputtering & EvaporationLow energy ion deposition/implantationCluster beam depositionElectro-chemical depositionSpin castingPotentio-control adsorptionLangmuir-Blodgett layer deposition
E-beam patterningIon beam patterningSTM-writingOptical lithographyNanomanipulationSelf-assemblySelf-organized etchingMelt quenching
Riber MBE - IMBL
Thin filmPreparation
0
Nano-StructuringTechniques
1
IntegratedStructuralProperties
2
OpticalTechniques
3
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LocalProbe
Techniques
IntegratedPhysical
Properties
ModelingTools
INPACK.U.Leuven
AFM in fluidsSPM in fluidsMicro-RamanspectroscopyLT- MFMLT- AFMLT – vacuum
STSLT – vacuum
STM4
5
6
Potentio-controladsorption
Spincasting
Electro-chemicaldeposition
Cluster beamdeposition
Low energyion deposition
Molecularbeam epitaxy
Langmuir-
Blodgett
Melt-
quenching
Rheed
Fluorescent
cell sorter
PAC
Monte-
Carlo
Self- organizedetching
Self-assembly
Nano-manipulator
Opticallithography
STM –writing
Ion beampatterning
E-beampatterning
ChannelingRaman spectroscopyAuger
XRD
Confocalmicroscopy
Transient photo-conductivity
Hyper-Rayleighscattering
Quasi-elasticlight scattering
Photoionizationspectroscopy
Time resolvedspectroscopy
Neutronscattering
X-ray magnetichyperfine spectr.
Mössbauerspectroscopy
High fieldρ, M, CR, PL
Time resolvedcalorimetry
Moleculardynamics
Car – ParrinelloDFT
Kohn – ShamDFT
Abrikosov-Gor’kov
Ab initiocalculation
Bogoliubov-de GennesTD(GL)
SHPM
eBµ ωη
eBµ ωη
eBµ ωη
eBµ ωη
0
1
2
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XPS
ESR
IPE
SEM
TEM
Sputtering
Evaporation
UV-VIS
MO KERR
SQUID
VSM
Low T CEMS
I-V, C-V, G-V
RBS
ERD
Thin filmPreparation
0
Nano-StructuringTechniques
1
IntegratedStructuralProperties
2
OpticalTechniques
3
4
LocalProbe
Techniques
IntegratedPhysical
Properties
ModelingTools
INPACK.U.Leuven
INPACK.U.Leuven
AFM in fluidsSPM in fluidsMicro-RamanspectroscopyLT- MFMLT- AFMLT – vacuum
STSLT – vacuum
STM4
5
6
Potentio-controladsorption
Spincasting
Electro-chemicaldeposition
Cluster beamdeposition
Low energyion deposition
Molecularbeam epitaxy
Langmuir-
Blodgett
Melt-
quenching
Rheed
Fluorescent
cell sorter
PAC
Monte-
Carlo
Self- organizedetching
Self-assembly
Nano-manipulator
Opticallithography
STM –writing
Ion beampatterning
E-beampatterning
ChannelingRaman spectroscopyAuger
XRD
Confocalmicroscopy
Transient photo-conductivity
Hyper-Rayleighscattering
Quasi-elasticlight scattering
Photoionizationspectroscopy
Time resolvedspectroscopy
Neutronscattering
X-ray magnetichyperfine spectr.
Mössbauerspectroscopy
High fieldρ, M, CR, PL
Time resolvedcalorimetry
Moleculardynamics
Car – ParrinelloDFT
Kohn – ShamDFT
Abrikosov-Gor’kov
Ab initiocalculation
Bogoliubov-de GennesTD(GL)
SHPM
eBµ ωη
eBµ ωη
eBµ ωη
eBµ ωη
0
1
2
3
4
5
6
XPS
ESR
IPE
SEM
TEM
Sputtering
Evaporation
UV-VIS
MO KERR
SQUID
VSM
Low T CEMS
I-V, C-V, G-V
RBS
ERD
Institute for Nanoscale Physics and Chemistry
Integrated structural properties
Optical techniques
X-ray diffraction (XRD)Auger spectroscopyX-ray photoelectron spectroscopy (XPS)Micro-Raman and resonant Raman spectroscopyRutherford backscattering spectrometry (RBS)Elastic recoil detection analysis (ERD)Ion beam channelingReflection-high energy electron diffraction (RHEED)Scanning electron microscopy (SEM)Transmission electron spectroscopy (TEM)Electron spin resonance spectroscopy (ESR)Internal photoemission spectroscopy (IPE)
Ultraviolet-visible spectrophotometry (UV-VIS)Time resolved spectroscopyPhotoionization spectroscopyMass spectroscopyQuasi-elastic light scatteringHyper-Rayleigh scatteringHigh (pulsed) magnetic field photoluminescenceConfocal microscopyMagneto-optical KERR effectTransient photoconductivityFluorescence assisted cell sorter
Local probe techniques
Integrated physical properties
Scanning tunnelling microscopy(low temperature and vacuum)Scanning tunnelling spectroscopy(low temperature and vacuum)Atomic force microscopy(low temperature, ambient, in fluids)Magnetic force microscopy (low temperature)Scanning probe microscopy in fluidsScanning Hall probe microscopy
Time resolved, laser induced optoacoustic calorimetrySQUID magnetometryVibrating sample magnetometryHigh (pulsed) magnetic field resistivity and magnetizationMössbauer spectroscopyX-ray magnetic hyperfine spectroscopyNeutron scatteringCenter of mass spectroscopy (low temperature)Perturbed angular correlation spectroscopyI-V, C-V, and σ−V analysis
Modeling toolsTime dependent Ginzburg-LandauBogoliubov-de GennesAb-initio calculationsAbrikosov-Gor'kovKohn-Sham density functional theoremCar-Parrinello density functional theoremMolecular dynamics simulationsMonte-Carlo simulations
Scanning probe microscope
Cluster sourceand vaporisation laser
Calculated isosurfaces for the difference charge density in USn3
Institute for Nanoscale Physics and Chemistry
steering committeeProf. Victor V. MoshchalkovDirector INPACInstitute for Nanoscale Physics and ChemistryCelestijnenlaan 200 D, B-3001 LeuvenPhone: +32 16 327618Fax: + 32 16 327983E-mail: [email protected]
Prof. Arnout CeulemansVice-director INPACDepartment of ChemistryQuantum Chemistry and Physical ChemistryCelestijnenlaan 200F, B-3001 Leuven Phone: +32 16 327363 or +32 16 327356 Fax: +32 16 327992 E-mail: [email protected]
Prof. Mark Van der AuweraerDepartment of ChemistryMolecular and NanomaterialsPhotochemistry and SpectroscopyCelestijnenlaan 200F, B-3001 Leuven Phone: +32 16 327496 or +32 16 327418 Fax: +32 16 327990 E-mail: [email protected]
Prof. Chris Van HaesendonckDepartment of Physics and AstronomySolid State Physics and MagnetismNanophysics with Scanning ProbesCelestijnenlaan 200D, B-3001 Leuven Phone: +32 16 327501 or +32 16 327184 Fax: +32 16 327983 E-mail: [email protected]
Prof. André VantommeDepartment of Physics and AstronomyNuclear and Radiation PhysicsNuclear Solid State PhysicsCelestijnenlaan 200D, B-3001 Leuven Phone: +32 16 327514 or +32 16 327680 Fax: +32 16 327985 E-mail: [email protected]
E-mail: [email protected]: www.kuleuven.be/inpac
Prof. Koen ClaysDepartment of ChemistryMolecular and NanomaterialsMolecular Electronics and PhotonicsCelestijnenlaan 200D, B-3001 Leuven Phone: +32 16 327508 Fax: +32 16 327982 E-mail: [email protected]
Prof. Peter LievensDepartment of Physics and AstronomySolid State Physics and MagnetismClusters and Laser SpectroscopyCelestijnenlaan 200D, B-3001 Leuven Phone: +32 16 327207 or +32 16 327184 Fax: +32 16 327983 E-mail: [email protected]
Prof. Andre StesmansDepartment of Physics and AstronomySemiconductor PhysicsElectron Spin ResonanceCelestijnenlaan 200D, B-3001 Leuven Phone: +32 16 327179 or +32 16 327281 Fax: +32 16 327987 E-mail: [email protected]
Prof. Jozef VanderleydenDepartment of Microbial and Molecular Systems (M2S) Centre of Microbial and Plant GeneticsCell-cell interactionsKasteelpark Arenberg 20, B-3001 Leuven Phone: +32 16 329679 or +32 16 321631 Fax: +32 16 321966 E-mail: [email protected]
Prof. Johan VanackenScientific secretary INPACInstitute for Nanoscale Physics and ChemistryCelestijnenlaan 200 D, B-3001 LeuvenPhone: +32 16 327198Fax: + 32 16 327983E-mail: [email protected]
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