CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Direct experimental evidence of physical origin of electronic phase separation in manganites
Miao, T; Deng, LN; Yang, WT; Ni, JY; Zheng, CL; Etheridge, J; Wang, SS; Liu, H; Lin, HX; Yu, Y; Shi, Q; Cai, P; Zhu, YY; Yang, TY; Zhang, XM; Gao, XY; Xi, CY; Tian, ML; Wu, XS; Xiang, HJ; Dagotto, E; Yin, LF; Shen, J
2020
Source PublicationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
Volume117Issue:13Pages:7090-7094
Subtype期刊论文
AbstractElectronic phase separation in complex oxides is the inhomogeneous spatial distribution of electronic phases, involving length scales much larger than those of structural defects or nonuniform distribution of chemical dopants. While experimental efforts focused on phase separation and established its correlation with nonlinear responses under external stimuli, it remains controversial whether phase separation requires quenched disorder for its realization. Early theory predicted that if perfectly "clean" samples could be grown, both phase separation and nonlinearities would be replaced by a bicritical-like phase diagram. Here, using a layer-by-layer superlattice growth technique we fabricate a fully chemically ordered "tricolor" manganite superlattice, and compare its properties with those of isovalent alloyed manganite films. Remarkably, the fully ordered manganite does not exhibit phase separation, while its presence is pronounced in the alloy. This suggests that chemical-dopingi-nduced disorder is crucial to stabilize the potentially useful nonlinear responses of manganites, as theory predicted.
KeywordINSULATOR-TRANSITION MAGNETORESISTANCE
DOI10.1073/pnas.1920502117
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32793
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China
2.Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
3.Monash Univ, Monash Ctr Electron Microscopy, Clayton, Vic 3800, Australia
4.Chinese Acad Sci, High Field Magnet Lab, Anhui Prov Key Lab Condensed Matter Phys Extreme, Hefei 230031, Anhui, Peoples R China
5.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
6.Nanjing Univ, Dept Phys, Lab Solid State Microstruct, Nanjing 210093, Peoples R China
7.Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
8.Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA
9.Fudan Univ, Inst Nanoelect Devices & Quantum Comp, Shanghai 200433, Peoples R China
10.Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China
Recommended Citation
GB/T 7714
Miao, T,Deng, LN,Yang, WT,et al. Direct experimental evidence of physical origin of electronic phase separation in manganites[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2020,117(13):7090-7094.
APA Miao, T.,Deng, LN.,Yang, WT.,Ni, JY.,Zheng, CL.,...&Shen, J.(2020).Direct experimental evidence of physical origin of electronic phase separation in manganites.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,117(13),7090-7094.
MLA Miao, T,et al."Direct experimental evidence of physical origin of electronic phase separation in manganites".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 117.13(2020):7090-7094.
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