Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Magnetic ordering in (Y sub 1 minus x Pr sub x )Ba sub 2 Cu sub 3 O sub 7 as observed by muon-spin relaxation

Journal Article · · Physical Review, B: Condensed Matter; (USA)
;  [1]; ;  [2]; ;  [3]; ; ; ;  [4]
  1. Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (USA)
  2. Department of Physics, Texas Tech University, Lubbock, Texas 79409 (USA)
  3. Department of Physics, San Jose State University, San Jose, California 95192 (USA)
  4. Department of Physics, Temple University, Philadelphia, Pennsylvania 19122 (USA)
Zero-field positive muon-spin-relaxation ({mu}{sup +}SR) measurements on (Y{sub 1{minus}{ital x}}Pr{sub {ital x}})Ba{sub 2}Cu{sub 3}O{sub 7} ({ital x}=1.0, 0.8, 0.6, 0.58, and 0.54) show clear evidence for antiferromagnetic ordering of the Cu moments within the Cu-O planes. Neel temperatures are approximately 285, 220, 35, 30, and 20 K for {ital x}=1.0, 0.8, 0.6, 0.58, and 0.54, respectively. For {ital x}=0.50 we observe a fast-relaxing component and a long-time tail of the muon polarization, reminiscent of spin-glass behavior. Superconductivity and spin-glass-like magnetism appear to coexist for {ital x} near 0.50. For {ital x}=1.0 the fully developed local magnetic field is {similar to}16 mT, but decreases to {similar to}12 mT at {ital T}=17 K, presumably due to the onset of additional ordering. The Neel temperature for oxygen-reduced PRBa{sub 2}Cu{sub 3}O{sub 6} is approximately 325 K.
OSTI ID:
7143488
Journal Information:
Physical Review, B: Condensed Matter; (USA), Journal Name: Physical Review, B: Condensed Matter; (USA) Vol. 41:7; ISSN 0163-1829; ISSN PRBMD
Country of Publication:
United States
Language:
English