Effect of pressure on metamagnetic Sr3Ru2O7

May Chiao, C Pfleiderer, SR Julian, GG Lonzarich, RS Perry, Andrew Peter Mackenzie, Y Maeno

Research output: Other contribution

14 Citations (Scopus)


We have studied the effect of hydrostatic pressure on the metamagnetic transition in Sr3Ru2O7. For B perpendicular to c, a peak in the magnetoresistance near the metamagnetic field B-M approximate to 5 T suggests scattering due to strong fluctuations near a quantum critical point. On applying pressure, B-M increases linearly, extrapolating to B-M = 0 at a pressure p(c) approximate to -14 kbar. Scaling behaviour of the magnetoresistance with pressure suggests that the nature of the spin fluctuations is invariant under pressure. This demonstrates that spin fluctuations associated with the metamagnetism dominate the physics over a large region of pressure, temperature and field. (C) 2002 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Publication statusPublished - Mar 2002


  • metamagnetism
  • pressure
  • spin fluctuations


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