|
This article is cited in 2 scientific papers (total in 2 papers)
CONDENSED MATTER
Observation of plasma and magnetoplasma resonances of two-dimensional electrons in a single $\mathrm{MgZnO}/\mathrm{ZnO}$ heterojunction
V. E. Kozlova, A. B. Van'kova, S. I. Gubareva, I. V. Kukushkinab, J. Falsonc, D. Maryenkod, Y. Kozukac, A. Tsukazakie, M. Kawasakicd, Yu. Smetb a Institute of Solid State Physics, Russian Academy of Sciences
b Max Planck Institute for Solid State Research
c Department of Applied Physics and Quantum-Phase Electronics Center (QPEC), University of Tokyo
d RIKEN Center for Emergent Matter Science (CEMS)
e Institute for Materials Research, Tohoku University
Abstract:
The magnetoluminescence of the two-dimensional electron system in a single $\mathrm{Mg}_x\mathrm{Zn}_{1 -x} \mathrm{O}/\mathrm{ZnO}$ hetero-junction ($x = 0.02$) at a temperature of $0.3$ K in magnetic fields up to $14$ T has been studied. The concentration of two-dimensional electrons in the structure under study has been determined from the oscillations of the luminescence intensity as a function of the magnetic field. The value thus obtained is close to the one derived from transport measurements. The resonance corresponding to plasma excitations of two-dimensional electrons has been observed using optical detection of microwave absorption. In a magnetic field, the lower branch of magnetoplasma excitations, which corresponds to the propagation of edge magnetoplasmons in a structure with nearly square geometry, has been observed and investigated.
Received: 16.07.2013
Citation:
V. E. Kozlov, A. B. Van'kov, S. I. Gubarev, I. V. Kukushkin, J. Falson, D. Maryenko, Y. Kozuka, A. Tsukazaki, M. Kawasaki, Yu. Smet, “Observation of plasma and magnetoplasma resonances of two-dimensional electrons in a single $\mathrm{MgZnO}/\mathrm{ZnO}$ heterojunction”, Pis'ma v Zh. Èksper. Teoret. Fiz., 98:4 (2013), 251–254; JETP Letters, 98:4 (2013), 223–226
Linking options:
https://www.mathnet.ru/eng/jetpl3500 https://www.mathnet.ru/eng/jetpl/v98/i4/p251
|
Statistics & downloads: |
Abstract page: | 216 | Full-text PDF : | 67 | References: | 34 | First page: | 6 |
|