GRAD-MAP 2017 Winter Workshop Magnetic Susceptibility

01/08/2016

Mentors/ Advisors : John Califf Collini, Dr. Renxiong Wang.Winter Research Assistants: Chavonne Bowen, Kishor Subedi, Michael Boyd Guy III.

X-Ray Diffraction

Figure 1.0 showing image of two magnetic fields reacting

Figure 1.1 showing characteristics of magnets (above) and Figure 1.2 showing Bragg’s Law for laser breams in Rigaku instrument (bottom, left).

Fig 1.3 showing Image of X-Ray Diffractor Fig. 1.4 showing Interior of X-Ray Diffractor

Fig. 1.5 showing Image of Preparation Table for Jamesonite Sample

Fig. 1.7 showing the X-Ray Dimensions Used in the XRD

Fig. 1.6 comparing the structures for identifying Jamesonite, FePb4Sb6S14

Fig. 1.7 showing Crystal Structures

Data Collection

Fig. 1.8 Showing Structure for Jamesonite, FePb4Sb6S14

Jamesonite Structure, FePb4Sb6S14

Structure: Monoclinic (vectors of unequal lengths)

Space Group: P121/c1 (14)

Lattice Constant:a = 1.5750(6), b = 1.9125(3), c = 0.4030(4) nm, α = 90, β = 91.68(8), γ = 90°

Fig1.7 showing Microscopic views of physical structure for Jamesonite, FePb4Sb6S14

(above)

Fig 1.6 Structure of a Monoclinic crystal

Graph showing the Superconductivity of our Sample of Jamesonite, FePb4Sb6S14