期刊
PHYSICAL REVIEW B
卷 61, 期 19, 页码 13045-13049出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.61.13045
关键词
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InAs-AlSb quantum wells are investigated by transport experiments in magnetic fields tilted with respect to the sample normal. Using the coincidence method, we find, for magnetic fields up to 28 T, that the spin splitting can be as large as five times the Landau splitting. We find a value of the g factor of \g\ approximate to 13. For small even-integer filling factors the corresponding minima in the Shubnikov-de Haas oscillations cannot be tuned into maxima for arbitrary tilt angles. This indicates the anticrossing of neighboring Landau and spin levels. Furthermore, fur particular tilt angles we find a crossover from even-integer-dominated Shubnikov-de Haas minima to odd-integer minima as a function of magnetic field.
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