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首页> 外文期刊>Thin Solid Films >Electrical And Magnetic Properties Of La_(0.835)na_(0.165)mn_(0.9)re_(0.1)o_3 (re=mg, Cr, Ti) Films Prepared By Chemical Solution Deposition Method
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Electrical And Magnetic Properties Of La_(0.835)na_(0.165)mn_(0.9)re_(0.1)o_3 (re=mg, Cr, Ti) Films Prepared By Chemical Solution Deposition Method

机译：化学溶液沉积法制备的La_（0.835）na_（0.165）mn_（0.9）re_（0.1）o_3（re = mg，Cr，Ti）薄膜的电和磁性能

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摘要

La_(0.835)Na_(0.165)Mn_(0.9)RE_(0.1)O_3 (RE=Mg, Cr, Ti) films were prepared by chemical solution deposition method on LaAlO_3 (100) substrates. All the as-grown thin films are highly (h00) oriented with pseudocubic structure. There is a transition from the paramagnetic to ferromagnetic state in all the samples, but the substitution of Mn~(3+) ions by Mg~(2+) ions appears spin-glass cluster in the low temperature. Additionally, the sample La_(0.835)Na_(0.165)Mn_(0.9)RE_(0.1)O_3 has the lowest Curie temperature and the metal-insulating transition temperature, and the resistivity is the highest. The resistivity curve exhibits insulating behavior in the temperature range of 100-390 K. The results are discussed in terms of the blocking of the percolative channel and the electric and magnetic disorder because of the substitution of a nonmagnetic ion.
机译：通过化学溶液沉积法在LaAlO_3（100）衬底上制备La_（0.835）Na_（0.165）Mn_（0.9）RE_（0.1）O_3（RE = Mg，Cr，Ti）膜。所有生长的薄膜都是高度（h00）取向的伪立方结构。在所有样品中都有从顺磁性到铁磁性的转变，但是在低温下，Mn〜（3+）被Mg〜（2+）离子取代出现了自旋玻璃簇。另外，样品La_（0.835）Na_（0.165）Mn_（0.9）RE_（0.1）O_3具有最低的居里温度和金属绝缘转变温度，并且电阻率最高。电阻率曲线在100-390 K的温度范围内表现出绝缘行为。就渗透通道的阻塞以及由于非磁性离子的取代而引起的电磁干扰，对结果进行了讨论。

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