Resistively detected nuclear magnetic resonance via a single InSb two-dimensional electron gas at high temperature

被引：11

作者：

Yang, K. F. ^{[1
]}

Liu, H. W. ^{[1
,2
,3
]}

Nagase, K. ^{[1
]}

Mishima, T. D. ^{[4
]}

Santos, M. B. ^{[4
]}

Hirayama, Y. ^{[1
,5
]}

机构：

[1] ERATO Nucl Spin Elect Project, Sendai, Miyagi 9808578, Japan

[2] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China

[3] Jilin Univ, Inst Atom & Mol Phys, Changchun 130012, Peoples R China

[4] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA

[5] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 14期

关键词：

QUANTUM; SYSTEMS; DEVICE; SPINS; NMR;

D O I：

10.1063/1.3579257

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the demonstration of the resistively detected nuclear magnetic resonance (RDNMR) of a single InSb two-dimensional electron gas (2DEG) at elevated temperatures up to 4 K. The RDNMR signal of In-115 in the simplest pseudospin quantum Hall ferromagnet triggered by a large direct current shows a peak-dip line shape, where the nuclear relaxation time T-1 at the peak and the dip is different but almost temperature independent. The large Zeeman, cyclotron, and exchange energy scales of the InSb 2DEG contribute to the persistence of the RDNMR signal at high temperatures. (C) 2011 American Institute of Physics. [doi:10.1063/1.3579257]

引用

页数：3

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