PARAMAGNETIC RESONANCE IN METALLIC EUROPIUM AND INTERMETALLIC COMPOUNDS

Journal Article · Sun May 01 04:00:00 EDT 1960 · Phys. Rev. Letters

DOI:https://doi.org/10.1103/PhysRevLett.4.449· OSTI ID:4186323

Peter, M; Matthias, B T

The results are reported of paramagnetic resonance experiments on Eu metal and the intermetallics EuIr/sub 2/ and GdIr/sub 2/ carried out in a millimeter wave spectrometer. The resonance line in Eu metal occurs at g = 1.985 plus or minus 0.015, which cannot be explained from the behavior of Eu/sup 3+/. This experiment confirms the metallurgical and magnetic evidence for the divalent state of Eu. No resonance was detected in EuIr/sub 2/ which crystallizes in the cubic Laves phase (C15). From its lattice constant Eu was concluded to be in the trivalent state. The resonance in GdIr/sub 2/, trivalent state, increases with decreasing temperatures to below the Curie point, where the resonance broadens to a point where observation is no longer feasible. (B.O.G.)

• Research Organization: Bell Telephone Labs., Murray Hill, N.J.
• NSA Number: NSA-14-015082
• OSTI ID: 4186323
• Journal Information: Phys. Rev. Letters, Journal Name: Phys. Rev. Letters Vol. Vol: 4
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

CATIONS
CRYSTALLIZATION
CURIE POINT
ELECTRONS
EUROPIUM ALLOYS
EUROPIUM COMPOUNDS
FERROMAGNETIC MATERIALS
GADOLINIUM ALLOYS
INTERMETALLIC COMPOUNDS
IRIDIUM ALLOYS
LATTICES
LAVES PHASES
MAGNETISM
METALS, CERAMICS, AND OTHER MATERIALS
PARAMAGNETISM
RESONANCE
SPECTROMETERS
TEMPERATURE
TESTING
VALENCE
WAVE MECHANICS