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首页> 外文期刊>Chinese science bulletin >Charge order and spin order of La_(0.3)Ca_(0.7)Mn_(1-x)W_xO_3 system
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Charge order and spin order of La_(0.3)Ca_(0.7)Mn_(1-x)W_xO_3 system

机译：La_（0.3）Ca_（0.7）Mn_（1-x）W_xO_3系统的电荷顺序和自旋顺序

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摘要

The influences of W doping at Mn site on the charge order and spin order were studied by measuring M-Tcurves, M-H curves and ESR spectra of La_(0.3)Ca_(0.7)Mn_(1-x)W_xO_3 (x = 0.00, 0.04, 0.08, 0.12, 0.15) system. The results showed that: When 0.00 < = x < = 0.08, the system exhibits charge ordering (CO) phase, and its spin order experiences the change of paramagnetism (PM)-charge ordering (CO)-antiferro-magnetism (AFM) with decreasing temperature; when x > = 0.12, the charge ordering (CO) phase melts, part of charge ordering (CO) phase remains in the paramagnetism (PM) background, the spin order of the system is mainly paramagnetism (PM), and ferromagnetic (FM) clusters appear at low temperature.
机译：通过测量La_（0.3）Ca_（0.7）Mn_（1-x）W_xO_3（x = 0.00，0.04）的M曲线，MH曲线和ESR谱，研究了Mn处W掺杂对电荷顺序和自旋顺序的影响。 ，0.08、0.12、0.15）系统。结果表明：当0.00 <= x <= 0.08时，系统表现出电荷有序（CO）相，其自旋顺次变化为顺磁性（PM）-电荷有序（CO）-反磁性（AFM）。降低温度;当x> = 0.12时，电荷有序（CO）相融化，部分电荷有序（CO）相保留在顺磁性（PM）背景下，系统的自旋顺序主要是顺磁性（PM）和铁磁性（FM）团簇在低温下出现。

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