Antiferromagnetic order of the Cu in RBa/sub 2/Cu/sub 3/O/sub 6+x/. [R = rare earth or Nd]

Conference · Fri Jan 01 00:00:00 EST 1988

OSTI ID:6842976

Lynn, J W; Li, W H; Mook, H A; Sales, B C; Fisk, Z

Neutron diffraction measurements have been taken on single crystals of RBa/sub 2/Cu/sub 3/O/sub 6+x/ (R = rare earth, or Nd) to explore the nature of the magnetic order as a function of oxygen concentration x. The Cu-O planes order antiferromagnetically at T/sub N1/, with T/sub N1/(x approx. O) /approximately/ 450/degree/K. At lower temperatures the oxygen-deficient Cu planes also order magnetically, with a substantial low temperature moment (/approximately/ 1/2 ..mu../sub B/) and a simple antiferromagnetic sequencing along the c-axis. Both ordering temperatures decrease with increasing x, with T/sub N2/ being much more sensitive to x than T/sub N1/. 6 refs., 2 figs.

• Research Organization: Oak Ridge National Lab., TN (USA); Los Alamos National Lab., NM (USA)
• DOE Contract Number: AC05-84OR21400; W-7405-ENG-48
• OSTI ID: 6842976
• Report Number(s): CONF-880705-8; ON: DE88015553
• Resource Relation: Conference: International conference on magnetism, Paris, France, 25 Jul 1988; Other Information: Portions of this document are illegible in microfiche products
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BARIUM OXIDES
ANTIFERROMAGNETISM
COPPER OXIDES
NEODYMIUM OXIDES
RARE EARTH COMPOUNDS
MONOCRYSTALS
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
CRYSTALS
MAGNETISM
NEODYMIUM COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
360204* - Ceramics
Cermets
& Refractories- Physical Properties
656100 - Condensed Matter Physics- Superconductivity