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Zeeman electron mass anomaly in InP as determined from orbital and spin splitting of donor 2P levels using high-resolution photoluminescence spectroscopy (1991)

Reynolds, D. C. ; Bajaj, K. K. ; Collins, T. C.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 69 (1991), S. 6478-6483

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The effective mass of an electron in InP determined from Zeeman splittings of the donor 2P level shows a strong magnetic field dependence. This Zeeman effective mass is approximately 45% smaller than the cyclotron mass at low magnetic fields. This was deduced from both the orbital and spin splittings of the 2P donor levels. The magnetic field splittings were determined from radiative transitions resulting from collapse of donor bound excitons leaving the terminal state in an excited state. The magnitude of the effect is much larger than that previously observed in GaAs. This anomaly is qualitatively explained on the basis of level mixing resulting from random static electric fields present throughout the crystal due to ionized impurity centers. The mass obtained from the orbital splitting is in good agreement with that obtained from the spin splitting.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.348854

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