Cu-and Ni-codoped FeZnO particles with the wurzite structure were successfully synthesized at low temperature by a co-precipitation method. The samples were characterized using a vibrating sample magnetometer, X-ray diffraction, energy dispersive X-ray spectroscopy, UV-Vis spectrophotometry and electron spin resonance. The results demonstrated that room temperature ferromagnetic order was observed in both samples and the magnetization was higher than that of Fe-doped ZnO. The correlation between the structural and magnetic properties is discussed. Figure 4. The room temperature ferromagnetic of Zn 0.96 Fe 0.01 Cu 0.03 O and Zn 0.96 Fe 0.01 Ni 0.03 O compared with Zn 0.95 Fe 0.05 O, n 0.94 Cu 0.06 O, and Zn 0.95 Ni 0.05 O nanoparticles. Z
We have realized single phase crystalline BaSi2 thin films on quartz substrate by vacuum evaporation for solar cell applications. This structure is achieved by introducing (111)-oriented poly-Si fabricated by aluminum induced crystallization as a supply layer prior to BaSi2 deposition. Raman measurements showed five characteristic peaks corresponding to [Si4] 4anions vibrations in BaSi2 for all films deposited at 400 o C and above. X-ray diffraction analysis showed that randomly-oriented orthorhombic phase of BaSi2 is achieved with no trace of secondary phases. Also, the crystal quality is enhanced at higher substrate temperatures.
We have realized single phase crystalline BaSi2 thin films on quartz substrate by vacuum evaporation for solar cell applications. This structure is achieved by introducing (111)-oriented poly-Si fabricated by aluminum induced crystallization as a supply layer prior to BaSi2 deposition. Raman measurements showed five characteristic peaks corresponding to [Si4] 4anions vibrations in BaSi2 for all films deposited at 400 o C and above. X-ray diffraction analysis showed that randomly-oriented orthorhombic phase of BaSi2 is achieved with no trace of secondary phases. Also, the crystal quality is enhanced at higher substrate temperatures.
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