Low field DC SQUID nuclear magnetic resonance on single crystal UPt3

R. Körber*, A. Casey, B. P. Cowan, M. E. Digby, J. Li, J. Luo, C. P. Lusher, J. Saunders, D. Drung, T. Schurig, J. B. Kycia, J. I. Hong, D. N. Seidman, W. P. Halperin

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

A SQUID spectrometer is being used to study high-quality single crystals of UPt3 in low magnetic fields by performing pulsed NMR on 195Pt. The system uses a multiloop DC SQUID with additional positive feedback and operates in flux-locked loop mode from DC to 3 MHz. It has an overall coupled energy sensitivity of 800h and a dead time of ∼5 μs. NMR signals from UPt3 have been observed in both the superconducting mixed state and in the normal state. A bulk platinum marker is used to determine the magnetic field. Measurements of 195Pt Knight shifts in UPt3 are reported.

Original languageEnglish (US)
Pages (from-to)523-524
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume388-389
DOIs
StatePublished - May 1 2003
Eventproceedings of the 23rd international conference on low temper - Hiroshima, Japan
Duration: Aug 20 2002Aug 27 2002

Keywords

  • DC SQUID
  • NMR
  • UPt

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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