DOI: 10.1063/1.1714289. Magnetic Characteristics of Gadolinium, Praseodymium, and Thulium Nitrides

Magnetic Characteristics of Gadolinium, Praseodymium, and Thulium Nitrides

10.1063/1.1714289

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Bulk magnetic measurements were made on GdN, PrN, and TmN over the range 4.2° to 300°K. GdN is ferromagnetic with Tc = 69°K and a saturation moment of 7.03 μB (gJ = 7.00). Results obtained in the paramagnetic region give: for GdN μeff = 7.86 μB {g[J(J+1)]½ = 7.94}, Θp = 75°K; for PrN 3.57 μB (3.58), −11°K; for TmN 7.32 μB (7.56), −21°K. These nitrides all occur in the NaCl structure. Under the influence of the cubic crystal field the 2J+1-fold degenerate multiplet is decomposed so that Pr and Tm have singlet (nonmagnetic) ground states. Thus if the crystal field splitting exceeds the exchange interaction, no cooperative magnetic phase is expected at low temperatures. The measurements indicate this to be the case for TmN, supporting recent neutron diffraction work, and apparently this is also true for PrN. The possibility cannot be excluded, however, the PrN is a weak ferromagnet. If so, its saturation moment is estimated as 0.27 μB (gJ = 3.2 μB), indicating considerable crystal field quenching of the orbital contribution to the moment.

Bibliography

Schumacher, D. P., & Wallace, W. E. (1965). Magnetic Characteristics of Gadolinium, Praseodymium, and Thulium Nitrides. Journal of Applied Physics, 36(3), 984â985.

Authors 2

David P. Schumacher (first)
W. E. Wallace (additional)

References 9 Referenced 39

10.1146/annurev.pc.15.100164.000545 / Ann. Rev. Phys. Chem. (1964)
10.1063/1.1729503 / J. Appl. Phys. (1963)
10.1103/PhysRevLett.12.533 / Phys. Rev. Letters (1964)
{'key': '2024020208104467400_r4', 'first-page': '522', 'volume': '131', 'year': '1963', 'journal-title': 'Phys. Rev.'} / Phys. Rev. (1963)
10.1016/0022-3697(62)90192-0 / J. Phys. Chem. Solids (1962)
10.1103/PhysRev.41.194 / Phys. Rev. (1932)
10.1016/0022-3697(60)90083-4 / J. Phys. Chem. Solids (1960)
10.1063/1.1717475 / Rev. Sci. Instr. (1961)
{'key': '2024020208104467400_r9'}

Dates

Type	When
Created	20 years, 4 months ago (April 22, 2005, 12:39 p.m.)
Deposited	1 year, 6 months ago (Feb. 2, 2024, 4:38 a.m.)
Indexed	1 year, 5 months ago (March 8, 2024, 11 a.m.)
Issued	60 years, 5 months ago (March 1, 1965)
Published	60 years, 5 months ago (March 1, 1965)
Published Print	60 years, 5 months ago (March 1, 1965)

Funders 0

None

BibTeX

@article{Schumacher_1965, title={Magnetic Characteristics of Gadolinium, Praseodymium, and Thulium Nitrides}, volume={36}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1714289}, DOI={10.1063/1.1714289}, number={3}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Schumacher, David P. and Wallace, W. E.}, year={1965}, month=mar, pages={984–985} }

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