Spin waves in Fe3-xMnxSi ordered alloys

L. Dobrzyński; K. Blinowski; S. Bednarski; H. Kepa; T. Giebułtowicz; W. Minor; S. Kraśnicki; J. Kosiorowska; L. Weiss

doi:10.1016/0038-1098(81)90293-3

Spin waves in Fe_3-xMn_xSi ordered alloys

L. Dobrzyński, K. Blinowski, S. Bednarski, H. Kepa, T. Giebułtowicz, W. Minor, S. Kraśnicki, J. Kosiorowska, L. Weiss

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3 Scopus citations

Abstract

Spin wave dispersion relations in Fe_3-xMn_xSi ordered alloys have been measured by neutron scattering for alloys with x = 0.04 and x = 0.18. The dispersion relations have been found to be quadratic in the magnon wavevector q̄ up to about half of the Brillouin zone along [111] direction. The measured values of the spin wave stiffness constant are 169±7 meV Å⁰² and 207±7 meV Å⁰² for samples with x = 0.18 and x = 0.04, respectively. The energy gap found from the rough data turned out to be almost totally due to the triple-axis spectrometer resolution properties. The nearest neighbour exchange integral for FeFe interaction, calculated from the above data, equals to 22.5±1.0 meV.

Original language	English
Pages (from-to)	773-775
Number of pages	3
Journal	Solid State Communications
Volume	38
Issue number	9
DOIs	https://doi.org/10.1016/0038-1098(81)90293-3
State	Published - Jun 1981
Externally published	Yes

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Cite this

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title = "Spin waves in Fe3-xMnxSi ordered alloys",

abstract = "Spin wave dispersion relations in Fe3-xMnxSi ordered alloys have been measured by neutron scattering for alloys with x = 0.04 and x = 0.18. The dispersion relations have been found to be quadratic in the magnon wavevector {\=q} up to about half of the Brillouin zone along [111] direction. The measured values of the spin wave stiffness constant are 169±7 meV {\AA}02 and 207±7 meV {\AA}02 for samples with x = 0.18 and x = 0.04, respectively. The energy gap found from the rough data turned out to be almost totally due to the triple-axis spectrometer resolution properties. The nearest neighbour exchange integral for FeFe interaction, calculated from the above data, equals to 22.5±1.0 meV.",

author = "L. Dobrzy{\'n}ski and K. Blinowski and S. Bednarski and H. Kepa and T. Giebu{\l}towicz and W. Minor and S. Kra{\'s}nicki and J. Kosiorowska and L. Weiss",

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doi = "10.1016/0038-1098(81)90293-3",

language = "English",

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TY - JOUR

T1 - Spin waves in Fe3-xMnxSi ordered alloys

AU - Dobrzyński, L.

AU - Blinowski, K.

AU - Bednarski, S.

AU - Kepa, H.

AU - Giebułtowicz, T.

AU - Minor, W.

AU - Kraśnicki, S.

AU - Kosiorowska, J.

AU - Weiss, L.

PY - 1981/6

Y1 - 1981/6

N2 - Spin wave dispersion relations in Fe3-xMnxSi ordered alloys have been measured by neutron scattering for alloys with x = 0.04 and x = 0.18. The dispersion relations have been found to be quadratic in the magnon wavevector q̄ up to about half of the Brillouin zone along [111] direction. The measured values of the spin wave stiffness constant are 169±7 meV Å02 and 207±7 meV Å02 for samples with x = 0.18 and x = 0.04, respectively. The energy gap found from the rough data turned out to be almost totally due to the triple-axis spectrometer resolution properties. The nearest neighbour exchange integral for FeFe interaction, calculated from the above data, equals to 22.5±1.0 meV.

AB - Spin wave dispersion relations in Fe3-xMnxSi ordered alloys have been measured by neutron scattering for alloys with x = 0.04 and x = 0.18. The dispersion relations have been found to be quadratic in the magnon wavevector q̄ up to about half of the Brillouin zone along [111] direction. The measured values of the spin wave stiffness constant are 169±7 meV Å02 and 207±7 meV Å02 for samples with x = 0.18 and x = 0.04, respectively. The energy gap found from the rough data turned out to be almost totally due to the triple-axis spectrometer resolution properties. The nearest neighbour exchange integral for FeFe interaction, calculated from the above data, equals to 22.5±1.0 meV.

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U2 - 10.1016/0038-1098(81)90293-3

DO - 10.1016/0038-1098(81)90293-3

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VL - 38

SP - 773

EP - 775

JO - Solid State Communications

JF - Solid State Communications

IS - 9

ER -

Spin waves in Fe3-xMnxSi ordered alloys

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Spin waves in Fe_3-xMn_xSi ordered alloys