Scalar and anisotropic J interactions in undoped InP

A triple-resonance NMR study

Marco Tomaselli, David DeGraw, Jeffery Yarger, Matthew P. Augustine, Alexander Pines

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The heteronuclear J-coupling tensor between nearest neighbor 31P and 113In spins in undoped InP is investigated by means of 113In→31P polarization transfer under rapid magic angle spinning (MAS). The scalar contribution can be measured directly and is found to have the value |Jiso(31P-113,115In)| = (225± 10) Hz. The principal value of the traceless anisotropic J-coupling tensor (pseudodipolar coupling) is determined to be Janiso(31P-113,115In) = 2/3[J(31P-113,115In)-J (31P-113,115In)] = (813±50) or (1733±50) Hz, assuming axial symmetry with the principal axis parallel to the In-P bond. Our values deviate from those reported previously [M. Engelsberg and R. E. Norberg, Phys. Rev. B 5, 3395 (1972)] [based on a moment analysis of the 31P resonance |Jiso(31P-113,115In)| = 350 Hz and Janiso(31P-113,115In)= 1273 Hz], but confirm the postulate that the nearest neighbor 31P-113,115In magnetic dipolar and pseudodipolar interactions are of the same order of magnitude and partially cancel each other.

Original languageEnglish (US)
Pages (from-to)8627-8633
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume58
Issue number13
StatePublished - Oct 1 1998
Externally publishedYes

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Tensors
Nuclear magnetic resonance
scalars
nuclear magnetic resonance
Magic angle spinning
tensors
interactions
Polarization
axioms
metal spinning
moments
symmetry
polarization

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Scalar and anisotropic J interactions in undoped InP : A triple-resonance NMR study. / Tomaselli, Marco; DeGraw, David; Yarger, Jeffery; Augustine, Matthew P.; Pines, Alexander.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 58, No. 13, 01.10.1998, p. 8627-8633.

Research output: Contribution to journalArticle

Tomaselli, Marco ; DeGraw, David ; Yarger, Jeffery ; Augustine, Matthew P. ; Pines, Alexander. / Scalar and anisotropic J interactions in undoped InP : A triple-resonance NMR study. In: Physical Review B - Condensed Matter and Materials Physics. 1998 ; Vol. 58, No. 13. pp. 8627-8633.
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