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 journalArticle

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Abstract

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
Volume41
Issue number4
DOIs
StatePublished - Jan 1 1990

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Thermal variables measurement
Elastic constants
Superconducting transition temperature
Specific heat
resonant frequencies
Natural frequencies
heat measurement
elastic properties
Ultrasonics
transition temperature
specific heat
Single crystals
single crystals
La2CuO4

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Migliori, A., Visscher, W. M., Brown, S. E., Fisk, Z., Cheong, S. W., Alten, B., ... Chan, M. H. W. (1990). Elastic constants and specific-heat measurements on single crystals of La2CuO4. Physical Review B, 41(4), 2098-2102. https://doi.org/10.1103/PhysRevB.41.2098
Migliori, A. ; Visscher, William M. ; Brown, S. E. ; Fisk, Z. ; Cheong, S. W. ; Alten, B. ; Ahrens, E. T. ; Kubat-Martin, K. A. ; Maynard, J. D. ; Huang, Y. ; Kirk, D. R. ; Gillis, K. A. ; Kim, H. K. ; Chan, M. H.W. / Elastic constants and specific-heat measurements on single crystals of La2CuO4. In: Physical Review B. 1990 ; Vol. 41, No. 4. pp. 2098-2102.
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Migliori, A, Visscher, WM, Brown, SE, Fisk, Z, Cheong, SW, Alten, B, Ahrens, ET, Kubat-Martin, KA, Maynard, JD, Huang, Y, Kirk, DR, Gillis, KA, Kim, HK & Chan, MHW 1990, 'Elastic constants and specific-heat measurements on single crystals of La2CuO4', Physical Review B, vol. 41, no. 4, pp. 2098-2102. https://doi.org/10.1103/PhysRevB.41.2098

Elastic constants and specific-heat measurements on single crystals of La2CuO4. / Migliori, A.; Visscher, William M.; Brown, S. E.; Fisk, Z.; Cheong, S. W.; Alten, B.; Ahrens, E. T.; Kubat-Martin, K. A.; Maynard, J. D.; Huang, Y.; Kirk, D. R.; Gillis, K. A.; Kim, H. K.; Chan, M. H.W.

In: Physical Review B, Vol. 41, No. 4, 01.01.1990, p. 2098-2102.

Research output: Contribution to journalArticle

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T1 - Elastic constants and specific-heat measurements on single crystals of La2CuO4

AU - Migliori, A.

AU - Visscher, William M.

AU - Brown, S. E.

AU - Fisk, Z.

AU - Cheong, S. W.

AU - Alten, B.

AU - Ahrens, E. T.

AU - Kubat-Martin, K. A.

AU - Maynard, J. D.

AU - Huang, Y.

AU - Kirk, D. R.

AU - Gillis, K. A.

AU - Kim, H. K.

AU - Chan, M. H.W.

PY - 1990/1/1

Y1 - 1990/1/1

N2 - 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.

AB - 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.

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Migliori A, Visscher WM, Brown SE, Fisk Z, Cheong SW, Alten B et al. Elastic constants and specific-heat measurements on single crystals of La2CuO4. Physical Review B. 1990 Jan 1;41(4):2098-2102. https://doi.org/10.1103/PhysRevB.41.2098