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Identification of the dinitrogen < 001 > split interstitial H1a in diamond

Lookup NU author(s): Professor Jon Goss, Professor Patrick Briddon


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The structure of the defect responsible for the H1a absorption feature in diamond has been much debated. In this work, the results of uniaxial stress-splitting studies are compared to piezospectroscopic stress-splitting parameters calculated for the < 001 > dinitrogen split interstitial < N-2I > defect. The stress-splitting data shows that the H1a absorption band arises from an A -> E transition at a center with D-2d symmetry. Furthermore, the experimentally and theoretically determined stress-splitting parameters are in excellent agreement, supporting the assignment of the H1a band to the N-2I defect.

Publication metadata

Author(s): Liggins S, Newton ME, Goss JP, Briddon PR, Fisher D

Publication type: Article

Publication status: Published

Journal: Physical Review B

Year: 2010

Volume: 81

Issue: 8

Print publication date: 01/02/2010

ISSN (print): 1098-0121

ISSN (electronic): 1550-235X

Publisher: American Physical Society


DOI: 10.1103/PhysRevB.81.085214

Notes: Article no. 085214 7 pages


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