NDLI: The gap level of bond-centred muonium in diamond

Content Provider	Springer Nature Link
Author	Madhuku, M. Gxawu, D. Connell, S. H. Machi, I. Z. Keartland, J. M. Cox, S. F. J. King, P. J. C.
Copyright Year	2008
Abstract	Muonium, with a positive muon as the nucleus is considered a light isotope of hydrogen displaying a close chemical analogy to this atom. It offers a unique opportunity to study the behaviour of hydrogen in diamond at very low concentrations. The mass difference, however, implies that dynamical effects will be distinct. The bond centred muonium (Mu BC ) state in diamond is easily observed and there is a very good correlation between theoretical and experimental hyperfine parameters (Schneider et al., Phys. Rev. Lett. 71(4):557–560, 1993). Curiously, despite its predicted stability, the bond centred hydrogen state has not yet been observed in diamond. Following the discovery of hydrogen dopant states in certain wide band gap metal oxides, and the possibility of hydrogen related molecular dopants in diamond, the study of hydrogen in diamond is important. Although it is evident from its hyperfine parameters that Mu BC is not a shallow donor, the question still arises as to where the Mu BC state in diamond might lie in the band gap. Accordingly, measurements of the high temperature stability of Mu BC have been performed in a search for its possible ionization. The results are consistent with such an ionization, as the disappearance of Mu BC polarisation (setting in near 1000 K) is correlated with the slight increase in the population of the diamagnetic μ+ species.
Starting Page	27
Ending Page	31
Page Count	5
File Format	PDF
ISSN	03043843
Journal	Hyperfine Interactions
Volume Number	177
Issue Number	1-3
e-ISSN	15729540
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-10-08
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Bond centered muonium Donor state Muon spin rotation Surfaces and Interfaces, Thin Films Condensed Matter Atoms, Molecules, Clusters and Plasmas Nuclear Physics, Heavy Ions, Hadrons
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Atomic and Molecular Physics, and Optics Physical and Theoretical Chemistry Condensed Matter Physics

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