Anomalous spin-orbit fluctuating dynamics using enhanced Raman shift of magnetic resonance force microscopy perovskite multi-films

作者：Ren R^*; Ren Yijing; Wu Zheng; Ren Danan; Zhao Zhongxia; Xu Jin; Xu Haodi; Li Xuan; Liu Lin; Bai Lei

来源：Optoelectronics and Advanced Materials-Rapid Communications, 2015, 9(7-8): 956-960.

• Raman shift
• Junction magnetoresistance
• Spin-orbit
• Carrier injection
• MIT transition

Raman active phonon in orthorhombic perovskite La0.7Sr0.3MnO films and ZnO/LSMO multi-films were focused by measuring Raman spectra of 325 nm and 512nm laser in scattering configurations. The results show that the spin-orbit is caused by anomalies tilt of MnO6 octahedron. The transfer of d(x)(2)-(2)(y) orbits dynamics is in the background of the ferro-orbital order state of crystal stabilized d(3z)(2)-r(2) orbit effect. The kinetic energy gain achieved by the orbital competition, strong crystal field and charge order of energy band splitting. The LSMO/ZnO junction exhibits excellent junction behavior over the temperature range of 77-300 K.

• 出版日期2015-8
• 单位西安交通大学