Advertisement

The European Physical Journal B

, Volume 66, Issue 3, pp 307–313 | Cite as

Magnetic properties of PrCu2 at high pressure

Solid State and Materials
  • 47 Downloads

Abstract

We report a study of the low-temperature high-pressure phase diagram of the intermetallic compound PrCu2, by means of molecular-field calculations and 63,65Cu nuclear-quadrupole-resonance (NQR) measurements under pressure. The pressure-induced magnetically-ordered phase can be accounted for by considering the influence of the crystal electric field on the 4f electron orbitals of the Pr3+ ions and by introducing a pressure-dependent exchange interaction between the corresponding local magnetic moments. Our experimental data suggest that the order in the induced antiferromagnetic phase is incommensurate. The role of magnetic fluctuations both at high and low pressures is also discussed.

PACS

75.20.En Metals and alloys 71.70.Ej Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect 76.60.Gv Quadrupole resonance 62.50.-p High-pressure effects in solids and liquids 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. A.R. Storm, K.E. Benson, Acta Crystallogr. 16, 701 (1963)Google Scholar
  2. M. Wun, N.E. Phillips, Phys. Lett. A 50, 195 (1974)Google Scholar
  3. H.R. Ott, K. Andres, P.S. Wang, Y.H. Wong, B. Lüthi, Crystal field effects in metals and alloys - Induced Jahn-Teller transition in PrCu 2 (Plenum, New York, 1977)Google Scholar
  4. J.K. Kjems, H.R. Ott, S.M. Shapiro, K. Andres, J. Phys. C 6, 1010 (1978)Google Scholar
  5. S. Kawarazaki, J. Arthur, J. Phys. Soc. Jpn 57, 1077 (1988)Google Scholar
  6. D. Scheptiakov, J.L. Gavilano, unpublishedGoogle Scholar
  7. P. Ahmet, M. Abliz, R. Settai, K. Sugiyama, Y. Onuki, T. Takeuchi, K. Kindo, S. Takayanagi, J. Phys. Soc. Jpn 65, 1077 (1996)Google Scholar
  8. R. Settai, M. Abliz, P. Ahmet, K. Motoki, N. Kimura, H. Ikezawa, T. Ebihara, H. Sugawara, K. Sugiyama, Y. Ōnuki, J. Phys. Soc. Jpn 64, 383 (1995)Google Scholar
  9. K. Andres, E. Bucher, J.P. Maita, A.S. Cooper, Phys. Rev. Lett. 28, 1652 (1972)Google Scholar
  10. A. Schenck, F. Gygax, Y. Ōnuki, Phys. Rev. B 68, 104422 (2003)Google Scholar
  11. A. Sacchetti, M. Weller, J.L. Gavilano, R. Mudliar, B. Pedrini, K. Magishi, H.R. Ott, R. Monnier, B. Delley, Y. Ōnuki, Phys. Rev. B 77, 144404 (2008)Google Scholar
  12. T. Naka, J. Tang, J. Ye, A. Matsushita, T. Matsumoto, R. Settai, Y. Ōnuki, J. Phys. Soc. Jpn 72, 1758 (2003)Google Scholar
  13. T. Naka, L.A. Ponomarenko, A. De Visser, A. Matsushita, R. Settai, Y. Ōnuki, Phys. Rev. B 71, 024408 (2005)Google Scholar
  14. K. Andres, O.V. Lounasmaa, Progress in Low Temperature Physics, edited by D.F. Brewer (North-Holland, Amsterdam, 1982), Vol. 8, Chap. 4Google Scholar
  15. T. Takeuchi, P. Ahmet, M. Abliz, R. Settai, Y. Ōnuki, J. Phys. Soc. Jpn 65, 1404 (1996)Google Scholar
  16. R. Settai, S. Araki, P. Ahmet, M. Abliz, K. Sugiyama, Y. Ōnuki, T. Goto, H. Mitamura, T. Goto, S. Takayanagi, J. Phys. Soc. Jpn 67, 636 (1998)Google Scholar
  17. P. Morin, D. Schmitt, Phys. Rev. B 27, 4412 (1983)Google Scholar
  18. M. Abliz, R. Settai, P. Ahmet, D. Aoki, K. Sugiyama, Y. Ōnuki, Philos. Mag. B 75, 443 (1997)Google Scholar
  19. A.P. Reyes, E.T. Ahrens, R.H. Heffner, P.C. Hammel, J.D. Thompson, Rev. Sci. Instrum. 63, 3120 (1992)Google Scholar

Copyright information

© Springer 2008

Authors and Affiliations

  1. 1.Laboratorium für FestkörperphysikZürichSwitzerland
  2. 2.Faculty of Science, Osaka UniversityOsakaJapan

Personalised recommendations