Magnetic state of the Y(Mn1-xVx)2Si 2 and La(Mn1-xVx)2Si2(0 ≤ x ≤ 0.4) compounds / Gerasimov E.G., Dorofeev Yu.A., Pak J.-G., Pirogov A.N., Gaviko V.S., Kazantsev V.A., Teplykh A.E. // Physics of Metals and Metallography. - 2004. - V. 97, l. 3. - P. 244-252.

ISSN:

0031918X

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Article

Abstract:

The magnetic properties and magnetic structure of the quasi-ternary layered intermetallic Y(Mn1-xVx)2Si 2 and La(Mn1-xVx)2Si2 (0 ≤ x ≤ 0.4) compounds were investigated using magnetic neutronography, magnetic measurements, and measurements of the thermal expansion coefficient. With increasing content of vanadium, the lattice parameter a remains virtually unchanged, while the parameter c and the unit cell volume increase monotonically. With increasing content of vanadium in the La(Mn 1-xVx)2Si2 compounds, weakening of the intralayer ferromagnetic Mn-Mn exchange interactions occurs, which results in an increase in the opening angle of the canted ferromagnetic structure. In the Y(Mn1-xVx)2Si2 compounds, the molecular field of the interlayer Mn-Mn exchange interactions does not change with increasing content of vanadium despite an increase in the interlayer distance and a decrease in the intralayer Mn-Mn exchange interactions which can be considered as the new argument in favor of the fact that the interlayer Mn-Mn exchange interactions in the compounds of the RMn2X 2 type are determined by the distance between the manganese atoms within a layer.

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Affiliations	Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Ekaterinburg, 620219, Russian Federation; Physical Faculty, Institute of Fundamental Research, Sung Kyun Kwan University, 440-746 Suwon, South Korea; Res. Ctr. Strongly Correlated Mat., Seoul National University, 151-742 Seoul, South Korea
References	Szytula, A., (1991) Handbook of Magnetic Materials, 6, pp. 85-180. , Elsevier-North-Holland, Amstertdam; Ishida, S., Asano, S., Ishida, J., (1986) J. Phys. Soc. Jpn., 55 (3), p. 936; Gerasimov, E.G., Gaviko, V.S., Zaikov, N.K., (2000) Fiz. Met. Metalloved., 90 (3), p. 23; (2000) Phys. Met. Metallogr., 90, p. 231; Ijjaali, I., Venturini, G., Malaman, B., (1998) J. Alloys Compd., 279, p. 102; Venturini, G., Wetter, R., Ressouche, E., Malaman, B., (1995) J. Alloys Compd., 224, p. 262; Venturini, G., Malaman, B., Ressouche, E., (1996) J. Alloys Compd., 237, p. 61; Rodriquez-Carvajal, J., (1993) Physica B (Amsterdam), 192, p. 55; Hoffmann, M., Campbell, S.J., Kennedy, S.J., Zhao, X.L., (1997) J. Magn. Magn. Mater., 176, p. 279; Ijjaali, I., Venturini, G., Malaman, B., Ressouche, E., (1998) J. Alloys Compd., 266, p. 61; Dincer, I., Elerman, Y., Elmali, A., (2002) J. Alloys Compd., 334, p. 72; Brabers, J.H.V.J., Nolten, A.J., Kayzel, F., (1994) Phys. Rev. B: Condens. Matter, 50 (22), p. 16410
Correspondence Address	Gerasimov, E.G.; Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Ekaterinburg, 620219, Russian Federation
Language of Original Document	English
Abbreviated Source Title	Phys. Met. Metallogr.
Source	Scopus