Elastic constants and specific-heat measurements on single crystals of La2CuO4

A. Migliori, William M. Visscher, S. E. Brown, Z. Fisk, S. W. Cheong, B. Alten, E. T. Ahrens, K. A. Kubat-Martin, J. D. Maynard, Y. Huang, D. R. Kirk, K. A. Gillis, H. K. Kim, M. H.W. Chan

Research output: Contribution to journalArticlepeer-review

88 Scopus citations


We measured all nine elastic constants of a nonsuperconducting single crystal of La2CuO4 at 310, 297, and 44 K using a small-sample resonant ultrasound technique. Weak features in resonant frequencies dependent on compressional moduli were observed near 29 K, and a broad minimum occurred at 38 K, near the superconducting transition temperature of optimally doped La2CuO4. The features are also reflected in the specific heat.

Original languageEnglish (US)
Pages (from-to)2098-2102
Number of pages5
JournalPhysical Review B
Issue number4
StatePublished - 1990

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics


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