A-site disorder effects in electron-doped manganite La(0.4)Ca(0.6)MnO(3)

IMR OpenIR

	A-site disorder effects in electron-doped manganite La(0.4)Ca(0.6)MnO(3)
	N. Hu; C. L. Lu; K. F. Wang; L. Cheng; Y. Liu; J. M. Liu; R. Xiong; J. Shi
	2011
发表期刊	Applied Physics a-Materials Science & Processing
ISSN	0947-8396
卷号	103 期号:2 页码:485-491
摘要	The A-site disorder effects on the stability of charge-ordered state in electron-doped manganite R(0.4)A(0.6)MnO(3) (where R = La, Pr, Nd, Sm, and A = Ca, Sr, Ba) are investigated by detailed measurements of transport, magnetism, and specific heat. The robust charge-ordered phase within the prototype sample can be successively suppressed by enhancing the A-site disorder, and finally an atomic-scale spin-glass state is evidenced in the highest disordered sample. However, no ferromagnetic phase can be observed; even the long-range charge-ordered antiferromagnetic phase is fully suppressed, which can be associated with the insufficient e (g) electron density in such an electron-doped manganite. This revealing is helpful for understanding the origin of ferromagnetic phase in nano-sized or B-site doped charge-ordered manganites with small e (g) electron density.
部门归属	[lu, c. l.; wang, k. f.; liu, j-m.] nanjing univ, solid state microstruct lab, nanjing 210093, peoples r china. [hu, n.; cheng, l.; liu, y.; xiong, r.; shi, j.] wuhan univ, dept phys, wuhan 430072, peoples r china. [hu, n.] hubei univ technol, sch sci, wuhan 430068, peoples r china. [liu, j-m.; shi, j.] chinese acad sci, int ctr mat phys, shenyang, peoples r china.;lu, cl (reprint author), nanjing univ, solid state microstruct lab, nanjing 210093, peoples r china;chenglianglu@gmail.com
关键词	Phase-separation Glass Insulator Size Mismatch Transition
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/30396
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	N. Hu,C. L. Lu,K. F. Wang,et al. A-site disorder effects in electron-doped manganite La(0.4)Ca(0.6)MnO(3)[J]. Applied Physics a-Materials Science & Processing,2011,103(2):485-491.
APA	N. Hu.,C. L. Lu.,K. F. Wang.,L. Cheng.,Y. Liu.,...&J. Shi.(2011).A-site disorder effects in electron-doped manganite La(0.4)Ca(0.6)MnO(3).Applied Physics a-Materials Science & Processing,103(2),485-491.
MLA	N. Hu,et al."A-site disorder effects in electron-doped manganite La(0.4)Ca(0.6)MnO(3)".Applied Physics a-Materials Science & Processing 103.2(2011):485-491.