Surface-step-terrace-induced anomalous transport properties in highly epitaxial La0.67Ca0.33MnO3 thin films

Hongliang Lu; Chendong Zhang; Haiming Guo; Hongjun Gao; Ming Liu; Jian Liu; Gregery Collins; Chonglin Chen

doi:10.1021/am100542n

Surface-step-terrace-induced anomalous transport properties in highly epitaxial La_0.67Ca_0.33MnO₃ thin films

Hongliang Lu
, Chendong Zhang
, Haiming Guo
, Hongjun Gao
, Ming Liu
, Jian Liu
, Gregery Collins
, Chonglin Chen

CAS - Institute of Physics
University of Texas at San Antonio
Dalian University of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

20 引用（Scopus）

摘要

La_0.67Ca_0.33MnO₃ thin films were epitaxially grown on miscut MgO(001) substrates by pulsed laser ablation. Electrical transport properties were studied by using an ultra high vacuum, four-probe STM system at different temperatures. Anomalous resistivity behavior and metal-insulator transition temperatures were found, both of which are highly dependent upon the miscut angle (1, 3, and 5°). These phenomena are attributed to the difference in residual strain that results from the difference in terrace widths of the vicinal surfaces.

源语言	英语
页（从-至）	2496-2499
页数	4
期刊	ACS Applied Materials and Interfaces
卷	2
期	9
DOI	https://doi.org/10.1021/am100542n
出版状态	已出版 - 22 9月 2010
已对外发布	是

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10.1021/am100542n

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title = "Surface-step-terrace-induced anomalous transport properties in highly epitaxial La0.67Ca0.33MnO3 thin films",

abstract = "La0.67Ca0.33MnO3 thin films were epitaxially grown on miscut MgO(001) substrates by pulsed laser ablation. Electrical transport properties were studied by using an ultra high vacuum, four-probe STM system at different temperatures. Anomalous resistivity behavior and metal-insulator transition temperatures were found, both of which are highly dependent upon the miscut angle (1, 3, and 5°). These phenomena are attributed to the difference in residual strain that results from the difference in terrace widths of the vicinal surfaces.",

keywords = "epitaxial thin film, mangnite, metal-insulator transition, miscut, strain",

author = "Hongliang Lu and Chendong Zhang and Haiming Guo and Hongjun Gao and Ming Liu and Jian Liu and Gregery Collins and Chonglin Chen",

year = "2010",

month = sep,

day = "22",

doi = "10.1021/am100542n",

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volume = "2",

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TY - JOUR

T1 - Surface-step-terrace-induced anomalous transport properties in highly epitaxial La0.67Ca0.33MnO3 thin films

AU - Lu, Hongliang

AU - Zhang, Chendong

AU - Guo, Haiming

AU - Gao, Hongjun

AU - Liu, Ming

AU - Liu, Jian

AU - Collins, Gregery

AU - Chen, Chonglin

PY - 2010/9/22

Y1 - 2010/9/22

N2 - La0.67Ca0.33MnO3 thin films were epitaxially grown on miscut MgO(001) substrates by pulsed laser ablation. Electrical transport properties were studied by using an ultra high vacuum, four-probe STM system at different temperatures. Anomalous resistivity behavior and metal-insulator transition temperatures were found, both of which are highly dependent upon the miscut angle (1, 3, and 5°). These phenomena are attributed to the difference in residual strain that results from the difference in terrace widths of the vicinal surfaces.

AB - La0.67Ca0.33MnO3 thin films were epitaxially grown on miscut MgO(001) substrates by pulsed laser ablation. Electrical transport properties were studied by using an ultra high vacuum, four-probe STM system at different temperatures. Anomalous resistivity behavior and metal-insulator transition temperatures were found, both of which are highly dependent upon the miscut angle (1, 3, and 5°). These phenomena are attributed to the difference in residual strain that results from the difference in terrace widths of the vicinal surfaces.

KW - epitaxial thin film

KW - mangnite

KW - metal-insulator transition

KW - miscut

KW - strain

UR - https://www.scopus.com/pages/publications/79151470996

U2 - 10.1021/am100542n

DO - 10.1021/am100542n

M3 - 文章

C2 - 20806782

AN - SCOPUS:79151470996

SN - 1944-8244

VL - 2

SP - 2496

EP - 2499

JO - ACS Applied Materials and Interfaces

JF - ACS Applied Materials and Interfaces

IS - 9

ER -

Surface-step-terrace-induced anomalous transport properties in highly epitaxial La0.67Ca0.33MnO3 thin films

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Surface-step-terrace-induced anomalous transport properties in highly epitaxial La_0.67Ca_0.33MnO₃ thin films