A neutron diffraction study of HfFe6Ge6-type ErMn6Ge6−xGax compounds (x=0.2, 0.4 and 1.0)
作者： G Venturini , A Vernière , B Malaman
DOI: 10.1016/S0925-8388(01)00882-9
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摘要: Abstract The HfFe6Ge6-type ErMn6Ge6−xGax compounds (x=0.2, 0.4, 1.0) have been studied by powder neutron diffraction. ErMn6Ge5.8Ga0.2 compound orders antiferromagnetically at 460 K in a collinear easy axis magnetic structure characterized doubling of the c-axis. Below Tt=270 K, helimagnetic takes place and persists down to 50 K. this temperature, ferrimagnetic with moments aligned along c-axis is stable (μMn=2.21(5) μB μEr=8.60(8) μB). ErMn6Ge5.6Ga0.4 394 From 300 120 it arrangement. In both cases, normal perpendicular [001] direction. 110 direction ferromagnetic component Mn Er refined 2 are μMn=2.21(6) μEr=9.06(11) μB. ErMn6Ge5Ga ferrimagnetically 373 moment reorientation around 200 At high temperature close (001) plane whereas low they align μMn=2.23(6) μEr=9.40(12) Evolutions magnitudes, magnetocrystalline anisotropy interlayer couplings, as function Ga content nature rare earth element, discussed.
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sci-hub.se 参考文章(23)
P. Rösch, M.T. Kelemen, B. Pilawa, E. Dormann, K.H.J. Buschow, NMR analysis and the magnetic properties of GdMn6Ge6 Journal of Magnetism and Magnetic Materials. ,vol. 164, pp. 175- 182 ,(1996) , 10.1016/S0304-8853(96)00380-0
G. Venturini, A. Vernière, B. Malaman, Multi spin-reorientation process in HfFe6Ge6-type HoMn6Ge6−xGax compounds (x=0.2, 0.4, 1.0) Journal of Alloys and Compounds. ,vol. 320, pp. 46- 57 ,(2001) , 10.1016/S0925-8388(01)00949-5
P Rösch, M T Kelemen, E Dormann, G Tomka, P C Riedi, Magnetic structures of GdMn6Ge6 - a nuclear magnetic resonance analysis Journal of Physics: Condensed Matter. ,vol. 12, pp. 1065- 1084 ,(2000) , 10.1088/0953-8984/12/6/324
B. Malaman, G. Venturini, R. Welter, J.P. Sanchez, P. Vulliet, E. Ressouche, Magnetic properties of RMn6Sn6 (R = Gd-Er) compounds from neutron diffraction and Mössbauer measurements Journal of Magnetism and Magnetic Materials. ,vol. 202, pp. 519- 534 ,(1999) , 10.1016/S0304-8853(99)00300-5
P. Schobinger-Papamantellos, G. André, J. Rodríguez-Carvajal, J.H.V.J. Brabers, K.H.J. Buschow, A neutron diffraction study of the magnetic ordering of TmMn6Ge6 Journal of Alloys and Compounds. ,vol. 226, pp. 113- 120 ,(1995) , 10.1016/0925-8388(95)01618-X
Juan Rodríguez-Carvajal, Recent advances in magnetic structure determination by neutron powder diffraction Physica B: Condensed Matter. ,vol. 192, pp. 55- 69 ,(1993) , 10.1016/0921-4526(93)90108-I
G. Venturini, R. Welter, B. Malaman, Crystallographic data and magnetic properties of RT6Ge6 compounds (R Sc, Y, Nd, Sm, GdLu; TMn, Fe) Journal of Alloys and Compounds. ,vol. 185, pp. 99- 107 ,(1992) , 10.1016/0925-8388(92)90558-Q
G Venturini, Magnetic study of the HfFe6Ge6-type solid solutions ScMn6Ge6−xGax and LuMn6Ge6−xGax (0.25=x=1.50) Journal of Alloys and Compounds. ,vol. 309, pp. 20- 25 ,(2000) , 10.1016/S0925-8388(00)01058-6
G Venturini, Antiferro- to ferromagnetic transition in HfFe6Ge6-type solid solution YMn6Ge6−xGax (0.25⩽x⩽2.00) Journal of Alloys and Compounds. ,vol. 311, pp. 101- 108 ,(2000) , 10.1016/S0925-8388(00)00816-1
P. Schobinger-Papamantellos, J. Rodríguez-Carvajal, G. André, K.H.J. Buschow, Re-entrant ferrimagnetism in TbMn6Ge6 Journal of Magnetism and Magnetic Materials. ,vol. 150, pp. 311- 322 ,(1995) , 10.1016/0304-8853(95)00309-6