Low-temperature magnetostriction of Sr3Ru2O7

P Gegenwart, F Weickert, RS Perry, Y Maeno, Robin Perry

Research output: Contribution to journalArticlepeer-review

Abstract

Itinerant-electron metamagnetism in the bilayer ruthenate Sr3Ru2O7 is studied by c-axis magnetostriction measurements on a high-quality single crystal in magnetic fields up to 18 T and at temperatures down to 20 mK. The positive linear magnetostriction coefficient suggests an initial decrease of the magnetization under c-axis uniaxial pressure. A highly enhanced magnetic Grüneisen parameter ΓH=106 indicates a strong magnetoelastic coupling. The system is particularly sensitive to c-axis strain.
Original languageEnglish
Pages (from-to)117-118
Number of pages2
JournalPhysica B: Condensed Matter
Volume378-380
DOIs
Publication statusPublished - 1 May 2006

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