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|Title: ||Magnetism and magnetocaloric effect of Mn0.98Fe0.02CoGe|
|Authors: ||Ren, QY|
Munoz Perez, S
|Issue Date: ||26-Mar-2014|
|Publisher: ||Wiley Online Library|
|Citation: ||Ren, Q. Y., Hutchison, W. D., Wang, J. L., Pérez, S. M., Cadogan, J. M., & Campbell, S. J. (2014). Magnetism and magnetocaloric effect of Mn0.98Fe0.02CoGe. Physica Status Solidi (a), 211(5), 1101-1105. doi: http://dx.doi.org/10.1002/pssa.201330561|
|Abstract: ||The crystallographic and magnetic properties of Mn0.98Fe0.02CoGe have been investigated by X-ray diffraction, dc magnetization and neutron diffraction over the temperature range 20–450 K. The temperature dependence of the phase fractions of the orthorhombic and hexagonal phases is described well by a Gaussian distribution. The Mn0.98Fe0.02CoGe sample exhibits a first-order magneto-structural transition centred at TMS ∼ 297 K of FWHM ∼37 K with a magnetic entropy change of −ΔSM = 24(1) J kg−1 K−1 for ΔB = 0–5 T. Neutron diffraction indicates a ferromagnetic orthorhombic structure below TMS with only the Mn carrying magnetic moment (3.98(6) µB) at 20 K. The sample is paramagnetic in the hexagonal phase above TMS.© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.|
|Appears in Collections:||Journal Articles|
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