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Spin-Cyclotron Resonance in n-Type Indium Antimonide at Low Temperatures
Abstract
An interpretation of known experimental data on magnetic resonance measurements in tellurium-doped n-type indium antimonide crystals with compensation ratio K ≈ 0.1 of tellurium (hydrogen-like donors) by zinc (hydrogen-like acceptors) at 10 MHz frequency in a quantizing external magnetic field with induction from 0.17 to 1.70 T at liquid helium temperature is proposed. It is revealed that the observed resonance is caused by the absorption of an energy quanta of radio-frequency (10 MHz) radiation by c-band electrons. The electron transition between adjacent Landau levels mediated by the electric component of the radio wave, while transitions between Zeeman sublevels is driven by its magnetic component. The number of absorbed radio-frequency quanta at resonance increases from 3.9 · 104 to 1.6 · 105 with c-band electron concentration from 6 · 1015 to 5 · 1018 cm–3 at approximately constant compensation ratio. Calculations show that the width of the magnetic resonance lines (“from peak to peak” of the first derivative of the radio wave absorption signal on external magnetic field) is determined by fluctuations in the potential energy of electrons in the crystals due to their doping and compensation.
About the Authors
N. A. Poklonski
Belarusian State University
Belarus
Belarus
Minsk
A. N. Dzeraviaha
Belarusian State University
Belarus
Belarus
Minsk
S. A. Vyrko
Belarusian State University
Belarus
Belarus
Minsk
A. I. Kovalev
Belarusian State University
Belarus
Belarus
Minsk
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Review
For citations:
Poklonski N.A., Dzeraviaha A.N., Vyrko S.A., Kovalev A.I. Spin-Cyclotron Resonance in n-Type Indium Antimonide at Low Temperatures. Zhurnal Prikladnoii Spektroskopii. 2025;92(4):476-483. (In Russ.)
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