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Magnetic moments of intermetallic compounds of transition and rare-earth elements

Journal Article · · Journal of Applied Physics (U.S.)
DOI:https://doi.org/10.1063/1.1728809· OSTI ID:4826104
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The effect of adding the rare-earth elements to cobalt, iron, and nickel was investigated. Antiferromagnetic coupling was-found to exist in the cobalt and iron rareearth compounds. The moment per formula unit of the compound Co5Y increased when Sm, Pr, and Nd were substituted for tritium and decreased when Tm, Gd, Tb, Er, Dy, and Ho were substituted. This result was explained on the basis that although the spin moments of cobalt and rare earths were coupled antiferromagnetically in these compounds, the orbital moments added to the cobalt moment in the compounds containing Sm, Pr, and Nd, but they subtracted from the cobalt moment in the compounds containing Tm, Tb, Er, Dy, and Ho. For the iron compounds investigated, the moment of the compound Fe4Y was found only to decrease when Tm, Er, Ho, and Dy were substituted for yttrium. The nickel compounds behaved entirety differently from the cobalt and iron compounds. Very little or no antiferromagnetic coupling was observed in these compounds.

Research Organization:
Bell Telephone Labs., Inc., Murray Hill, N.J.
Sponsoring Organization:
USDOE
NSA Number:
NSA-16-022624
OSTI ID:
4826104
Journal Information:
Journal of Applied Physics (U.S.), Journal Name: Journal of Applied Physics (U.S.) Vol. Vol: 33; ISSN JAPIA
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
ANTIFERROMAGNETISM
COBALT
COBALT ALLOYS
COUPLING
DYSPROSIUM ALLOYS
ERBIUM ALLOYS
FERROMAGNETISM
GADOLINIUM ALLOYS
HOLMIUM ALLOYS
INTERACTIONS
INTERMETALLIC COMPOUNDS
IRON
IRON COMPOUNDS
MAGNETIC MATERIALS
MAGNETIC MOMENTS
MOMENTUM
NEODYMIUM ALLOYS
NICKEL
NICKEL COMPOUNDS
PRASEODYMIUM ALLOYS
RARE EARTHS
SAMARIUM ALLOYS
SPIN
TERBIUM ALLOYS
THULIUM ALLOYS
TRANSITION METALS
YTTRIUM ALLOYS