Microscopic magnetic and structural nature of spinel Li [Lix Mn2-x] O4

J. Sugiyama, K. Mukai, Y. Ikedo, P. L. Russo, Takao Suzuki, I. Watanabe, J. H. Brewer, E. J. Ansaldo, K. H. Chow, K. Ariyoshi, T. Ohzuku

Research output: Contribution to journalArticle

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Abstract

The magnetic nature of the spinel antiferromagnet Li [Lix Mn2-x] O4 with x=0-0.15 has been studied with muon-spin rotation and relaxation (μ+ SR) spectroscopy. Both weak-transverse-field and zero-field μ+ SR measurements indicate that the whole sample enters into a static disordered magnetic phase below TN for all the samples measured; TN =61 K for LiMn2 O4, but 27-23 K for the x=0.05-0.15 samples. It was also clarified that both the field distribution width and the field fluctuation rate show a clear change at the Jahn-Teller (JT) transition temperature (TJT =280 K) for LiMn2 O4, and a short-range cooperative JT distortion appears below 280 K even for Li [Li0.15 Mn1.85] O4.

Original languageEnglish
Article number174424
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume75
Issue number17
DOIs
Publication statusPublished - 2007 May 17
Externally publishedYes

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Jahn-Teller effect
Superconducting transition temperature
spinel
Spectroscopy
muon spin rotation
transition temperature
spectroscopy
spinell

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Microscopic magnetic and structural nature of spinel Li [Lix Mn2-x] O4. / Sugiyama, J.; Mukai, K.; Ikedo, Y.; Russo, P. L.; Suzuki, Takao; Watanabe, I.; Brewer, J. H.; Ansaldo, E. J.; Chow, K. H.; Ariyoshi, K.; Ohzuku, T.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 75, No. 17, 174424, 17.05.2007.

Research output: Contribution to journalArticle

Sugiyama, J, Mukai, K, Ikedo, Y, Russo, PL, Suzuki, T, Watanabe, I, Brewer, JH, Ansaldo, EJ, Chow, KH, Ariyoshi, K & Ohzuku, T 2007, 'Microscopic magnetic and structural nature of spinel Li [Lix Mn2-x] O4', Physical Review B - Condensed Matter and Materials Physics, vol. 75, no. 17, 174424. https://doi.org/10.1103/PhysRevB.75.174424
Sugiyama, J. ; Mukai, K. ; Ikedo, Y. ; Russo, P. L. ; Suzuki, Takao ; Watanabe, I. ; Brewer, J. H. ; Ansaldo, E. J. ; Chow, K. H. ; Ariyoshi, K. ; Ohzuku, T. / Microscopic magnetic and structural nature of spinel Li [Lix Mn2-x] O4. In: Physical Review B - Condensed Matter and Materials Physics. 2007 ; Vol. 75, No. 17.
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AU - Suzuki, Takao

AU - Watanabe, I.

AU - Brewer, J. H.

AU - Ansaldo, E. J.

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AU - Ariyoshi, K.

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