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Title: On the crystal structure and magnetic properties of the Mn0.94Ti0.06CoGe alloy
Authors: Shamba, P
Wang, JL
Debnath, JC
Zeng, R
Hong, F
Cheng, ZX
Studer, AJ
Kennedy, SJ
Dou, SX
Keywords: Neutron diffraction
Phase transformations
Orthorhombic lattices
Issue Date: 7-May-2013
Publisher: American Institute of Physics.
Citation: Shamba, P., Wang, J. L., Debnath, J. C., Zeng, R., Hong, F., Cheng, Z. X., Studer, A. J., Kennedy, S. J., & Dou, S. X. (2013). On the crystal structure and magnetic properties of the Mn0.94Ti0.06CoGe alloy. Journal of Applied Physics, 113 (17), 17A941. doi:10.1063/1.4801523
Abstract: Structural and magnetic properties of Mn0.94Ti0.06CoGe have been studied by a combination of bulk magnetisation and neutron diffraction measurements over the temperature range of 5 K-350 K. The crystal structural transition occurs at T-str (similar to 235 K) with a change in symmetry from the low temperature orthorhombic TiNiSi-type structure (space group Pnma) to the high temperature hexagonal Ni2In-type structure (space group P63/mmc) and the magnetic phase transition takes place around T-C = 270 K. It is found that the structural transition around T-str is incomplete and there is a co-existence of the orthorhombic and hexagonal structures between T-str and T-C (similar to 270 K). These results are discussed in connection with the magnetic and magnetocaloric behaviours in Mn0.94Ti0.06CoGe. © 2013, American Institute of Physics.
Gov't Doc #: 5148
ISSN: 0021-8979
Appears in Collections:Journal Articles

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