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Titolo:
Muonium transitions in n-type gallium nitride
Autore:
Dawdy, MR; Lichti, RL; Cox, SFJ; Head, TL; Schwab, C;
Indirizzi:
Texas Tech Univ, Dept Phys, Lubbock, TX 79409 USA Texas Tech Univ LubbockTX USA 79409 iv, Dept Phys, Lubbock, TX 79409 USA Rutherford Appleton Lab, ISIS Facil, Chilton OX11 0QX, England Rutherford Appleton Lab Chilton England OX11 0QX ilton OX11 0QX, England Univ Coll, London WCE 6BT, England Univ Coll London England WCE 6BTUniv Coll, London WCE 6BT, England CNRS, PHASE, F-67037 Strasbourg, France CNRS Strasbourg France F-67037CNRS, PHASE, F-67037 Strasbourg, France
Titolo Testata:
PHYSICA B
, volume: 289, anno: 2000,
pagine: 546 - 549
SICI:
0921-4526(200008)289:<546:MTINGN>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Keywords:
Mu(-); GaN; zero-field mu SR; transition rates;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
5
Recensione:
Indirizzi per estratti:
Indirizzo: Lichti, RL Texas Tech Univ, Dept Phys, Lubbock, TX 79409 USA Texas Tech Univ Lubbock TX USA 79409 ys, Lubbock, TX 79409 USA
Citazione:
M.R. Dawdy et al., "Muonium transitions in n-type gallium nitride", PHYSICA B, 289, 2000, pp. 546-549

Abstract

The temperature-dependent asymmetries for zero-field relaxation componentsare used to characterize muonium transitions in n-type GaN. Kubo-Toyabe components are associated with Mu(-) states and an exponential is assigned toMu(0) centers. Transitions observed in the 150-200 K region result in Mu(-) trapped at a metastable site. A model-dependent analysis allows separation of contributions from the two Mu(-) states. The Mu(0)-related rate diverges near 600 K, and Mu(-) begins to exit the metastable location. Approximate transition energies are obtained within this constrained treatment. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 29/11/20 alle ore 06:22:34