期刊
JOURNAL OF APPLIED PHYSICS
卷 110, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3633509
关键词
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资金
- Special Funds for Major State Basic Research [2007CB924901]
- National Natural Science Foundation of China [60976093, 60906045, 10934007]
- Science and Technology Commission of Shanghai [09JC1415700]
- State Key Laboratory of Functional Materials for Informatics
- Shanghai Institute of Technical Physics of the Chinese Academy of Sciences [Q-ZY-5]
The effective masses for spin-up and spin-down electrons of a partially spin-polarized Fermi liquid are theoretically expected to be different. We extract the spin-up and spin-down effective masses from magnetotransport measurements at different temperatures for a two-dimensional electron gas in an In(0.65)Ga(0.35)As/In(0.52)Al(0.48)As quantum well exhibiting zero-field spin splitting. We apply two analytical methods, one involving the simultaneous fitting of fast Fourier transform (FFT) spectra and the other involving inverse FFT analysis. Both methods confirm that the effective masses for spin-up and spin-down are different, consistent with theoretical expectations. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3633509]
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