Structural and magnetic properties of Mn 2+δTiSn

P. Kharel; Y. Huh; V. R. Shah; X. Z. Li; N. Al-Aqtash; K. Tarawneh; E. S. Krage; R. F. Sabirianov; R. Skomski; D. J. Sellmyer

doi:10.1063/1.3672395

Structural and magnetic properties of Mn _2+δTiSn

P. Kharel, Y. Huh, V. R. Shah, X. Z. Li, N. Al-Aqtash, K. Tarawneh, E. S. Krage, R. F. Sabirianov, R. Skomski, D. J. Sellmyer

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Abstract

The structural and magnetic properties of Mn _2+delta;TiSn prepared by arc melting and annealing have been investigated. Structural studies show that the compound crystallizes in the hexagonal Ni ₃Sn-type structure with a 5.70 Å and c 4.55 Å. The phase stability of Mn ₂TiSn in the hexagonal structure is supported by the first-principle electronic structure calculations where the total energy per unit-cell volume in the hexagonal structure is smaller than that in the cubic structure. Field and temperature dependence of magnetization show that the sample is magnetically ordered with a Curie temperature around 400 K. The anisotropy energy calculated from the high-field data is 4.0 × 10 ⁵ ergs/cm ³ at 300 K but increases by a factor of two (8.6 × 10 ⁵ ergs/cm ³) as temperature decreases to 10 K. The observed magnetic properties are explained as the consequences of competing ferromagnetic and antiferromagnetic interactions between different magnetic sublattices.

Original language	English (US)
Article number	07B101
Journal	Journal of Applied Physics
Volume	111
Issue number	7
DOIs	https://doi.org/10.1063/1.3672395
State	Published - Apr 1 2012

ASJC Scopus subject areas

Physics and Astronomy(all)

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Kharel, P., Huh, Y., Shah, V. R., Li, X. Z., Al-Aqtash, N., Tarawneh, K., Krage, E. S., Sabirianov, R. F., Skomski, R., & Sellmyer, D. J. (2012). Structural and magnetic properties of Mn _2+δTiSn. Journal of Applied Physics, 111(7), [07B101]. https://doi.org/10.1063/1.3672395

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title = "Structural and magnetic properties of Mn 2+δTiSn",

abstract = "The structural and magnetic properties of Mn 2+delta;TiSn prepared by arc melting and annealing have been investigated. Structural studies show that the compound crystallizes in the hexagonal Ni 3Sn-type structure with a 5.70 {\AA} and c 4.55 {\AA}. The phase stability of Mn 2TiSn in the hexagonal structure is supported by the first-principle electronic structure calculations where the total energy per unit-cell volume in the hexagonal structure is smaller than that in the cubic structure. Field and temperature dependence of magnetization show that the sample is magnetically ordered with a Curie temperature around 400 K. The anisotropy energy calculated from the high-field data is 4.0 × 10 5 ergs/cm 3 at 300 K but increases by a factor of two (8.6 × 10 5 ergs/cm 3) as temperature decreases to 10 K. The observed magnetic properties are explained as the consequences of competing ferromagnetic and antiferromagnetic interactions between different magnetic sublattices.",

author = "P. Kharel and Y. Huh and Shah, {V. R.} and Li, {X. Z.} and N. Al-Aqtash and K. Tarawneh and Krage, {E. S.} and Sabirianov, {R. F.} and R. Skomski and Sellmyer, {D. J.}",

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AU - Kharel, P.

AU - Huh, Y.

AU - Shah, V. R.

AU - Li, X. Z.

AU - Al-Aqtash, N.

AU - Tarawneh, K.

AU - Krage, E. S.

AU - Sabirianov, R. F.

AU - Skomski, R.

AU - Sellmyer, D. J.

PY - 2012/4/1

Y1 - 2012/4/1

N2 - The structural and magnetic properties of Mn 2+delta;TiSn prepared by arc melting and annealing have been investigated. Structural studies show that the compound crystallizes in the hexagonal Ni 3Sn-type structure with a 5.70 Å and c 4.55 Å. The phase stability of Mn 2TiSn in the hexagonal structure is supported by the first-principle electronic structure calculations where the total energy per unit-cell volume in the hexagonal structure is smaller than that in the cubic structure. Field and temperature dependence of magnetization show that the sample is magnetically ordered with a Curie temperature around 400 K. The anisotropy energy calculated from the high-field data is 4.0 × 10 5 ergs/cm 3 at 300 K but increases by a factor of two (8.6 × 10 5 ergs/cm 3) as temperature decreases to 10 K. The observed magnetic properties are explained as the consequences of competing ferromagnetic and antiferromagnetic interactions between different magnetic sublattices.

AB - The structural and magnetic properties of Mn 2+delta;TiSn prepared by arc melting and annealing have been investigated. Structural studies show that the compound crystallizes in the hexagonal Ni 3Sn-type structure with a 5.70 Å and c 4.55 Å. The phase stability of Mn 2TiSn in the hexagonal structure is supported by the first-principle electronic structure calculations where the total energy per unit-cell volume in the hexagonal structure is smaller than that in the cubic structure. Field and temperature dependence of magnetization show that the sample is magnetically ordered with a Curie temperature around 400 K. The anisotropy energy calculated from the high-field data is 4.0 × 10 5 ergs/cm 3 at 300 K but increases by a factor of two (8.6 × 10 5 ergs/cm 3) as temperature decreases to 10 K. The observed magnetic properties are explained as the consequences of competing ferromagnetic and antiferromagnetic interactions between different magnetic sublattices.

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