TY - JOUR
T1 - Correlation Between Saturation Magnetization, Bandgap, and Lattice Volume of Transition Metal (M = Cr, Mn, Fe, Co, or Ni) Doped Zn1−xMxO Nanoparticles
AU - Anghel, Joshua
AU - Thurber, Aaron
AU - Tenne, Dmitri A.
AU - Hanna, Charles B.
AU - Punnoose, Alex
PY - 2010/4/21
Y1 - 2010/4/21
N2 - This work reports on transition metal doped ZnO nanoparticles and compares the effects doping with different transition metal ions has on the structural, optical, and magnetic properties. Zn1−xMxO (M = Cr, Mn, Fe, Co, or Ni) nanoparticles were prepared by a chemical process for x = 0.02 and 0.05 in powder form. The powders where characterized by x-ray diffraction (XRD), spectrophotometry, and magnetometry. The Zn1−xMxO samples showed a strong correlation between changes in the lattice parameters, bandgap energy, and the ferromagnetic saturation magnetization. Unit cell volume and bandgap, determined from XRD and spectrophotometry respectively, were maximized with Fe doping and decreased as the atomic number of the dopant moved away from Fe. Bandgap was generally lower at x = 0.05 than x = 0.02 for all dopants. The saturation magnetization reached a maximum of 6.38 memu/g for Zn0.95Fe0.05O.
AB - This work reports on transition metal doped ZnO nanoparticles and compares the effects doping with different transition metal ions has on the structural, optical, and magnetic properties. Zn1−xMxO (M = Cr, Mn, Fe, Co, or Ni) nanoparticles were prepared by a chemical process for x = 0.02 and 0.05 in powder form. The powders where characterized by x-ray diffraction (XRD), spectrophotometry, and magnetometry. The Zn1−xMxO samples showed a strong correlation between changes in the lattice parameters, bandgap energy, and the ferromagnetic saturation magnetization. Unit cell volume and bandgap, determined from XRD and spectrophotometry respectively, were maximized with Fe doping and decreased as the atomic number of the dopant moved away from Fe. Bandgap was generally lower at x = 0.05 than x = 0.02 for all dopants. The saturation magnetization reached a maximum of 6.38 memu/g for Zn0.95Fe0.05O.
KW - chromium
KW - cobalt
KW - energy gap
KW - ferromagnetic materials
KW - II-VI semiconductors
KW - iron
UR - https://scholarworks.boisestate.edu/physics_facpubs/59
UR - http://dx.doi.org/10.1063/1.3360189
U2 - 10.1063/1.3360189
DO - 10.1063/1.3360189
M3 - Article
JO - Journal of Applied Physics
JF - Journal of Applied Physics
ER -