Paramagnetic Resonance of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">Eu</mi></mrow><mrow><mn>2</mn><mo>+</mo></mrow></msup></mrow></math></span> Dissolved in Yb Metal

W. Schäfer; H. K. Schmidt; S. Hüfner; J. H. Wernick

doi:10.1103/PhysRev.182.459

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Paramagnetic Resonance of ${Eu}^{2 +}$ Dissolved in Yb Metal

W. Schäfer, H. K. Schmidt, and S. Hüfner

J. H. Wernick

Physikalisches Institut, Technische Hochschule Darmstadt, Darmstadt, Germany

Bell Telephone Laboratories, Murray Hill, New Jersey 07974

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Phys. Rev. 182, 459 – Published 10 June, 1969

DOI: https://doi.org/10.1103/PhysRev.182.459

Abstract

The paramagnetic resonance of ${Eu}^{2 +}$ dissolved in Yb metal was measured between 1.6 and 77°K. The $g$ value is $g = 1.970 \pm 0.005$ , displaying a $g$ shift outside the experimental error. The increase in linewidth with temperature is $\frac{dW}{dT} = 24 \pm 4$ G/°K independent of the Eu concentration. Assuming that this is caused by the Korringa mechanism, this temperature-dependent linewidth yields a $g$ shift of $| Δ g | = 0.031$ . From the $g$ shifts, the exchange integral between the Eu spins and the conduction electrons is derived as $J = - 0.02$ eV.

References (24)

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[c1] M. Peter, J. Dupraz, and H. Cottet, Helv. Phys. Acta 40, 301 (1967)

[c2] D. Davidov and D. Shaltiel, Phys. Rev. 169, 399 (1968)

[c3] J. Owen, M. Browne, W. D. Knight, and C. Kittel, Phys. Rev. 102, 1501 (1956)

[c4] J. Owen, M. E. Browne, V. Arp, and A. F. Kip, J. Phys. Chem. Solids 2, 85 (1957)

[c5] D. Shaltiel and J. H. Wernick, Phys. Rev. 136, A245 (1964)

[c6] A. C. Gossard, A. J. Heeger, and J. H. Wernick, J. Appl. Phys. 38, 1251 (1967)

[c7] M. Peter, D. Shaltiel, J. H. Wernick, H. J. Williams, J. B. Mock, and R. C. Sherwood, Phys. Rev. 126, 1395 (1962)

[c8] D. Shaltiel, J. H. Wernick, H. J. Williams, and M. Peter, Phys. Rev. 135, A1346 (1964)

[c9] M. Peter, J. Appl. Phys. 32, 338S (1961)

[c10] A. M. Harris, J. Popplewell, and R. S. Tebble, Proc. Phys. Soc. (London) 88, 679 (1966)

[c11] M. Peter and B. T. Matthias, Phys. Rev. Letters 4, 449 (1960)

[c12] V. Jaccarino, B. T. Matthias, M. Peter, H. Suhl, and J. H. Wernick, Phys. Rev. Letters 5, 251 (1960) E. D. Jones and J. I. Budnick, J. Appl. Phys. 37, 1250 (1966) B. G. Silbernagel, V. Jaccarino, P. Pincus, and J. H. Wernick, Phys. Rev. Letters 20, 1091 (1968)

[c13] S. Hüfner, Phys. Rev. Letters 19, 1034 (1967) S. Hüfner and J. H. Wernick, Phys. Rev. 173, 448 (1968)

[c14] J. M. Baker and F. I. B. Williams, Proc. Roy. Soc. (London) A267, 283 (1962)

[c15] M. Schieber, S. Foner, R. Doclo, and E. J. McNiff, Jr., J. Appl. Phys. 39, 885 (1986)

[c16] J. M. Lock, Proc Phys. Soc. (London) 70B, 476 (1957)

[c17] O. V. Lounasmaa, Phys. Rev. 129, 2460 (1963)

[c18] J. F. Dillon, Jr., and C. E. Olsen, Phys. Rev. 135, A434 (1964)

[c19] J. A. Morrison and D. M. T. Newsham, J. Phys. Chem. Solids 21, 370 (1968)

[c20] J. Korringa, Physica 16, 601 (1950)

[c21] H. Hasegawa, Progr. Theoret. Phys. (Kyoto) 21, 483 (1959)

[c22] P. W. Anderson and A. M. Clogston, Bull. Am. Phys. Soc. 2, 124 (1961) S. Koide and M. Peter, Rev. Mod. Phys. 36, 160 (1964) R. E. Watson, S. Koide, M. Peter, and A. J. Freeman, Phys. Rev. 139, A167 (1965)

[c23] P. Brix, S. Hüfner, P. Kienle, and D. Quitmann, Phys. Letters 13, 140 (1964)

[c24] A. C. Gossard, V. Jaccarino, and J. H. Wernick, Phys. Rev. 133, A881 (1964)

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Paramagnetic Resonance of ${Eu}^{2 +}$ Dissolved in Yb Metal

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Paramagnetic Resonance of Eu2+ Dissolved in Yb Metal

Abstract

References (24)

Paramagnetic Resonance of ${Eu}^{2 +}$ Dissolved in Yb Metal