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Detection of phase separation and nanodroplet states in La0.33Pr0.34Ca0.33MnO3 nanowires via near-infrared reflection experiments
Mei, Hongying1,2; Zhang, Chao1,2; Wang, Chao1,2; Liang, Changneng3,4; Zhang, Jie3,4; Ding, Lan3,4; Zhang, Jin3,4; Xu, Wen1,3,4
2017-11-01
发表期刊OPTICAL MATERIALS EXPRESS
卷号7期号:11页码:3809-3814
摘要We present an optical investigation on La0.33Pr0.34Ca0.33MnO3 (LPCMO) nanowires by using standard near-infrared (NIR) reflection experiments. It is found that the samples can respond strongly to the NIR radiation so that the temperature dependence of the reflectivity can be measured accordingly. Interestingly, the temperature induced phase separation and nano-droplet states in the nanowire samples with different diameters can be identified and observed optically without making ohmic contact electrodes on the samples. The onset temperature of the nano-droplet state measured optically is in line with that obtained from previous transport measurements. Importantly, via examining the dependence of the NIR reflectivity upon radiation wavelength, we find that the electronic localization effect exists in the LPCMO nanowires in both electronic states. Such information cannot be directly obtained from electric transport and magneto-transport experiments. The interesting and important experimental findings from this study demonstrate that the simple and contactless NIR reflection measurements can be employed to conveniently study and characterize the basic physical properties of perovskite manganites based nanostructure systems. (C) 2017 Optical Society of America
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
资助者National Natural Science Foundation of China(11574319 ; Ministry of Science and Technology of China(2011YQ130018) ; Department of Science and Technology of Yunnan Province(2013FD003) ; 11304317 ; 11304272) ; National Natural Science Foundation of China(11574319 ; Ministry of Science and Technology of China(2011YQ130018) ; Department of Science and Technology of Yunnan Province(2013FD003) ; 11304317 ; 11304272)
关键词[WOS]SEMICONDUCTOR NANOWIRES
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(11574319 ; Ministry of Science and Technology of China(2011YQ130018) ; Department of Science and Technology of Yunnan Province(2013FD003) ; 11304317 ; 11304272) ; National Natural Science Foundation of China(11574319 ; Ministry of Science and Technology of China(2011YQ130018) ; Department of Science and Technology of Yunnan Province(2013FD003) ; 11304317 ; 11304272)
WOS研究方向Materials Science ; Optics
WOS类目Materials Science, Multidisciplinary ; Optics
WOS记录号WOS:000414248700002
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33842
专题中科院固体物理研究所
作者单位1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
3.Yunnan Univ, Sch Phys & Astron, Int Joint Res Ctr Optoelect & Energy Mat, Kunming 650091, Yunnan, Peoples R China
4.Yunnan Univ, Yunnan Key Lab Micro Nano Mat & Technol, Kunming 650091, Yunnan, Peoples R China
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GB/T 7714
Mei, Hongying,Zhang, Chao,Wang, Chao,et al. Detection of phase separation and nanodroplet states in La0.33Pr0.34Ca0.33MnO3 nanowires via near-infrared reflection experiments[J]. OPTICAL MATERIALS EXPRESS,2017,7(11):3809-3814.
APA Mei, Hongying.,Zhang, Chao.,Wang, Chao.,Liang, Changneng.,Zhang, Jie.,...&Xu, Wen.(2017).Detection of phase separation and nanodroplet states in La0.33Pr0.34Ca0.33MnO3 nanowires via near-infrared reflection experiments.OPTICAL MATERIALS EXPRESS,7(11),3809-3814.
MLA Mei, Hongying,et al."Detection of phase separation and nanodroplet states in La0.33Pr0.34Ca0.33MnO3 nanowires via near-infrared reflection experiments".OPTICAL MATERIALS EXPRESS 7.11(2017):3809-3814.
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