LOW-TEMPERATURE MAGNETIC STUDIES OF URANIUM HYDRIDE, URANIUM DEUTERIDE, AND URANIUM DIOXIDE

Journal Article · Sat Mar 15 00:00:00 EST 1958 · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D

DOI:https://doi.org/10.1103/PhysRev.109.1976· OSTI ID:4348494

Henry, W E

A study of magnetization as a function of temperature and magnetic field has been carried out for uranium hydride, uranium deuteride, and uranium dioxide at temperatures from 300 deg K to 1.3 deg K and in magnetic fields from 60,000 gauss down to zero field. The apparent saturation magnetization for the samples of beta-uranium hydride used is 1.18 plus or minus 0.03 Bohr magnetons per atom of uranium and for one sample of uranium deuteride is 0.98 plus or minus 0.03 Bohr magneton per atom of uranium. The magnetic moment of uranium dioxide, limited by what may be antiferro magnetic ordering, is about 0.025 Bohr magneton per atom of uranium at 35,000 gauss and 1.3 deg K. This result makes possible corrections for the moments of UH/sub 3/ oond UD/sub 3/ on the basis of a known oxygen content or an estimate of the oxide impurity on the basis of apparent saturation. A high zero-field remanent magnetization (over 50% of the saturation magnetization for a spherical sample) is observed, attesting to the pronounced magnetic hardness of betauranium hydride. Analytic expressions have been worked out for magnetization as a function of temperature for zero magnetic field and 11,500 gauss, leading to a paraomagnetic theta of 180 deg K and a ferromagnetic theta of 168 deg K. An estimate of 2 x 10/sup 6/ gauss is made for the molecular field in UO/sub 2/. (auth)

• Research Organization: U.S. Naval Research Lab., Washington
• NSA Number: NSA-12-008907
• OSTI ID: 4348494
• Journal Information: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Vol. Vol: 109; Other Information: Orig. Receipt Date: 31-DEC-58
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

PHYSICS
DEUTERIUM COMPOUNDS
FERROMAGNETIC MATERIALS
LOW TEMPERATURE
MAGNETIC FIELDS
MAGNETIC MATERIALS
MAGNETIC MOMENTS
MAGNETIC PROPERTIES
MAGNETISM
TEMPERATURE
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM HYDRIDES