DOI: 10.1063/1.1657651. Magnetization of Impurity Fe2+ Ions in MnF2 and CoF2

Magnetization of Impurity Fe2+ Ions in MnF2 and CoF2

10.1063/1.1657651

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Measurements in FeF2 show that the effective magnetic field obtained from the Mössbauer effect nuclear hfs of 57Fe provides a good measure of the magnetization of divalent iron in rutile structure fluorides. Similar measurements in MnF2 containing 0.7 mole % FeF2 show that the spin deviation of the iron impurity increases much more slowly with temperature than that of the host lattice. A fit of the MnF2 data to a molecular field model, considering only the next-nearest neighbor exchange, gives JFeMn=1.87 cm−1. However, systematic deviations show that the in-band contribution to the spin deviation which dominates at low temperature cannot be ignored. Results of measurements on Fe2+ in CoF2 are also given.

Bibliography

Wertheim, G. K., Guggenheim, H. J., & Buchanan, D. N. E. (1969). Magnetization of Impurity Fe2+ Ions in MnF2 and CoF2. Journal of Applied Physics, 40(3), 1319â1321.

Authors 3

G. K. Wertheim (first)
H. J. Guggenheim (additional)
D. N. E. Buchanan (additional)

References 9 Referenced 11

10.1103/PhysRev.161.478 / Phys. Rev. (1967)
{'key': '2024020200582413800_r2'}
10.1103/PhysRev.146.403 / Phys. Rev. (1966)
{'key': '2024020200582413800_r4'}
{'key': '2024020200582413800_r5'}
10.1103/PhysRevLett.20.1158 / Phys. Rev. Letters (1968)
{'key': '2024020200582413800_r7'}
{'key': '2024020200582413800_r8'}
{'key': '2024020200582413800_r9'}

Dates

Type	When
Created	21 years, 6 months ago (Feb. 9, 2004, 11:56 a.m.)
Deposited	1 year, 7 months ago (Feb. 1, 2024, 8:01 p.m.)
Indexed	1 year, 7 months ago (Feb. 1, 2024, 10:19 p.m.)
Issued	56 years, 6 months ago (March 1, 1969)
Published	56 years, 6 months ago (March 1, 1969)
Published Print	56 years, 6 months ago (March 1, 1969)

Funders 0

None

BibTeX

@article{Wertheim_1969, title={Magnetization of Impurity Fe2+ Ions in MnF2 and CoF2}, volume={40}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1657651}, DOI={10.1063/1.1657651}, number={3}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Wertheim, G. K. and Guggenheim, H. J. and Buchanan, D. N. E.}, year={1969}, month=mar, pages={1319–1321} }

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