Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 83, Issue 5, Pages -Publisher
PHYSICAL SOC JAPAN
DOI: 10.7566/JPSJ.83.054707
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Funding
- Nation Science Foundation of China [51032003, 50632030, 10974083, 51002074]
- New Century excellent talents in University [NCET-09-0451]
- China Postdoctoral Science Foundation [2013M530250]
- Jiangsu Province Postdoctoral Science Foundation [1202001C]
- Jiangsu Province Postdoctoral Sponsor Program
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Spin-orbit coupling induces nonperturbation effects in many recently developed novel fields including topological insulators and spin-orbit assistant Mott insulators. In this study, strongly temperature-dependent spin-orbit coupling is observed at a low temperature in a 5d strongly correlated compound, SrIrO3. With an increase in temperature, the rate of increase in Rashba coefficient is about 30-45%/K, nearly 100 times over that observed in semiconductor heterostructures. Microscopically, the large increase in Rashba coefficient is attributed to the significant evolution of effective Lande g factor with temperature, whose mechanism is discussed qualitatively. Sensitively temperature-dependent spin-orbit coupling in SrIrO3 might be applied in spintronic devices.
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