Electron paramagnetic resonance of Cu(d9) in GaN

被引：20

作者：

Bozdog, C

Chow, KH

Watkins, GD

Sunakawa, H

Kuroda, N

Usui, A

机构：

[1] Lehigh Univ, Dept Phys, Bethlehem, PA 18015 USA

[2] NEC Corp Ltd, Syst Devices & Fundamental Res, Tsukuba, Ibaraki 3058501, Japan

来源：

PHYSICAL REVIEW B | 2000年 / 62卷 / 19期

关键词：

D O I：

10.1103/PhysRevB.62.12923

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electron paramagnetic resonance of Cu2+(d(9)) has been detected optically in the visible and near-infrared luminescence of wurtzite GaN. Its effective S = 1/2 spin Hamiltonian parameters are g(\\) = +/-0.20(5), g(perpendicular to) = + 1.549(1), and \(63)A(\\)\ = 550(50) MHz, and \(63)A(perpendicular to)\ = 570(5) MHz. A crystal field theory of the g values is presented, which identifies the ion as substitutional on the Ga sublattice. Possible mechanisms for its presence in the luminescence are discussed.

引用

页码：12923 / 12926

页数：4

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