Electron spin resonance on a two-dimensional electron gas

被引：35

作者：

Nestle, N ^{[1
]}

Denninger, G ^{[1
]}

Vidal, M ^{[1
]}

Weinzierl, C ^{[1
]}

Brunner, K ^{[1
]}

Eberl, K ^{[1
]}

vonKlitzing, K ^{[1
]}

机构：

[1] UNIV STUTTGART, INST PHYS, D-70550 STUTTGART, GERMANY

来源：

PHYSICAL REVIEW B | 1997年 / 56卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.56.R4359

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electron-spin-resonance (ESR) data obtained from modulation-doped Si/Si1-yCy heterostructures are reported. The observed signals show that the small number of electron spins in these two-dimensional structures is still sufficient to detect ESR directly, and we have strong indications that the prominent line in the spectra is due to conduction electrons confined in the Si1-yCy layers, forming a two-dimensional electron gas. We compare our results to the case of confined electrons in III-V heterostructures and quantum wells, where only indirectly detected ESR experiments have been reported so far.

引用

页码：R4359 / R4362

页数：4

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