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Magnetotunneling spectroscopy of polarons in a quantum well of a resonant-tunneling diode |
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| Authors: | V G Popov V G Krishtop O N Makarovskii and M Henini |
| Institution: | 1.Institute of Microelectronics Technology,Russian Academy of Sciences,Chernogolovka, Moscow region,Russia;2.Moscow Institute of Physics and Technology,Dolgoprudnyi, Moscow region,Russia;3.School of Physics and Astronomy of Nottingham University,Nottingham,UK |
| Abstract: | Resonant tunneling of electrons is thoroughly studied in in-plane magnetic fields. Anticrossing is revealed in a spectrum of two-dimensional electrons at energies of optical phonons. The magnetic field changes the momentum of tunneling electrons and causes a voltage shift of a resonance in the tunnel spectra in accordance with the electron dispersion curve. Anticrossing is clearly observed in second derivative current-voltage characteristics of a resonant tunneling diode made of a double-barrier Al0.4Ga0.6As/GaAs heterostructure. |
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