Stability of B-H and B-D complexes in diamond under electron beam excitation

被引：14

作者：

Barjon, J. ^{[1
]}

Mehdaoui, A. ^{[1
]}

Jomard, F. ^{[1
]}

Chevallier, J. ^{[1
]}

Mer, C. ^{[2
]}

Nesladek, M. ^{[2
]}

Bergonzo, P. ^{[2
]}

Pernot, J. ^{[3
,4
]}

Omnes, F. ^{[3
,4
]}

Deneuville, A. ^{[3
,4
]}

机构：

[1] Univ Versailles St Quentin, CNRS, Grp Etud mat Condensee GEMaC, F-92195 Meudon, France

[2] Ctr Etud Saclay, LIST, Diamond Sensor Lab, CEA, F-91191 Gif Sur Yvette, France

[3] CNRS, Inst NEEL, F-38042 Grenoble 9, France

[4] Univ Grenoble 1, F-38042 Grenoble 9, France

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 06期

关键词：

D O I：

10.1063/1.2965115

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The substitution of hydrogen by deuterium is generally known to increase the stability of the defect passivation in semiconductors, occasionally giving rise to giant isotope effects. In this work, the stability under an electron beam irradiation of boron-hydrogen and boron-deuterium pairs in diamond are compared. The dissociation kinetics was followed in situ by cathodoluminescence spectroscopy. Surprisingly, B-H complexes are more stable than B-D complexes under electron beam at low temperature (similar to 100 K), with a dissociation rate about twice smaller. These experimental results are coherent with a dissociation mechanism involving a cumulative vibrational excitation of the complexes. (C) 2008 American Institute of Physics.

引用

页数：3

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