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Effect of thermal a...
Effect of thermal annealing on defects in post-growth hydrogenated GaNP
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- Dagnelund, Daniel (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Tu, C. W. (författare)
- Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, California, USA
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- Polimeni, A. (författare)
- INFM and Dipartimento di Fisica, Università di Roma “La Sapienza”, Roma, Italy
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- Capizzi, M. (författare)
- INFM and Dipartimento di Fisica, Università di Roma “La Sapienza,” Roma, Italy
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- Chen, Weimin (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Buyanova, Irina (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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(creator_code:org_t)
- 2013-01-22
- 2013
- Engelska.
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Ingår i: Physica Status Solidi. C, Current topics in solid state physics. - : John Wiley & Sons. - 1610-1634 .- 1610-1642. ; 10:4, s. 561-563
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Effect of thermal annealing on paramagnetic centers in post-growth hydrogenated GaN0.0081P0.9919 epilayer is examined by means of photoluminescence and optically detected magnetic resonance (ODMR) techniques. In recent studies, several Ga-interstitial (Gai) related centers were found to be activated by the presence of hydrogen in the hydrogenated GaNP alloys. These centers compete with near-band edge radiative recombination. Annealing at 400 ºC in Ar-ambient is found to cause quenching of the Gai-related ODMR signals that were activated by post-growth hydrogenation. We tentatively ascribe this effect to dissociation of the H-Gai complexes and subsequent out-diffusion of H.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- ODMR
- dilute nitrides
- Ga interstitial
- post-growth hydrogenation
- annealing
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