Vibrational spectroscopy of hydrogenated GaAs1-yNy:: A structure-sensitive test of an H2*(N) model -: art. no. 041309

被引：40

作者：

Jiang, F

Stavola, M

Capizzi, M

Polimeni, A

Bonapasta, AA

Filippone, F

机构：

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

[2] Univ Roma La Sapienza, INFM, I-00185 Rome, Italy

[3] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[4] CNR, ISM, I-00016 Monterotondo Staz, Italy

来源：

PHYSICAL REVIEW B | 2004年 / 69卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.69.041309

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The N- and H-vibrational modes in hydrogenated GaAs1-yNy alloys have been studied by infrared absorption spectroscopy. Data for samples containing both H and D show that the dominant defect complex seen in the infrared spectrum of hydrogenated GaAs1-yNy contains two weakly coupled N-H stretching modes. This conclusion is inconsistent with the predictions of theory for an H-2(*)(N) defect that has been proposed recently to explain the properties of H in GaAs1-yNy and InxGa1-xAs1-yNy alloys.

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