The effect of Ca substitution on the structural and electrical properties of La0.7Sr0.3-xCaxMnO3 perovskite manganite films

Sun Gyu Choi; Hong Sub Lee; Hyejung Choi; Sung Woong Chung; Hyung Ho Park

doi:10.1088/0022-3727/46/42/425102

The effect of Ca substitution on the structural and electrical properties of La_0.7Sr_0.3-xCa_xMnO₃ perovskite manganite films

Sun Gyu Choi, Hong Sub Lee, Hyejung Choi, Sung Woong Chung, Hyung Ho Park

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

This study demonstrates the effect of a Ca substituent for Sr on the structural, chemical, and electrical properties in La_0.7Sr _0.3-xCa_xMnO₃ perovskite manganite films. The structural modification of films was found to be affected by the amount of Ca substituent. Raman spectroscopy analysis reveals a decrease of bond angle and an increase of Jahn-Teller type distortion in MnO₆ octahedra with increasing Ca. The resistance value of high resistance state, switching voltage and resistive switching ratio of La_0.7Sr_0.3-xCa _xMnO₃ films decreased with increasing amounts of Ca substituent. The relationships among structural, interfacial, and electrical properties including resistive switching behaviour of La_0.7Sr _0.3-xCa_xMnO₃ were examined.

Original language	English
Article number	425102
Journal	Journal of Physics D: Applied Physics
Volume	46
Issue number	42
DOIs	https://doi.org/10.1088/0022-3727/46/42/425102
Publication status	Published - 2013 Oct 23

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

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10.1088/0022-3727/46/42/425102

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abstract = "This study demonstrates the effect of a Ca substituent for Sr on the structural, chemical, and electrical properties in La0.7Sr 0.3-xCaxMnO3 perovskite manganite films. The structural modification of films was found to be affected by the amount of Ca substituent. Raman spectroscopy analysis reveals a decrease of bond angle and an increase of Jahn-Teller type distortion in MnO6 octahedra with increasing Ca. The resistance value of high resistance state, switching voltage and resistive switching ratio of La0.7Sr0.3-xCa xMnO3 films decreased with increasing amounts of Ca substituent. The relationships among structural, interfacial, and electrical properties including resistive switching behaviour of La0.7Sr 0.3-xCaxMnO3 were examined.",

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AU - Choi, Sun Gyu

AU - Lee, Hong Sub

AU - Choi, Hyejung

AU - Chung, Sung Woong

AU - Park, Hyung Ho

PY - 2013/10/23

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N2 - This study demonstrates the effect of a Ca substituent for Sr on the structural, chemical, and electrical properties in La0.7Sr 0.3-xCaxMnO3 perovskite manganite films. The structural modification of films was found to be affected by the amount of Ca substituent. Raman spectroscopy analysis reveals a decrease of bond angle and an increase of Jahn-Teller type distortion in MnO6 octahedra with increasing Ca. The resistance value of high resistance state, switching voltage and resistive switching ratio of La0.7Sr0.3-xCa xMnO3 films decreased with increasing amounts of Ca substituent. The relationships among structural, interfacial, and electrical properties including resistive switching behaviour of La0.7Sr 0.3-xCaxMnO3 were examined.

AB - This study demonstrates the effect of a Ca substituent for Sr on the structural, chemical, and electrical properties in La0.7Sr 0.3-xCaxMnO3 perovskite manganite films. The structural modification of films was found to be affected by the amount of Ca substituent. Raman spectroscopy analysis reveals a decrease of bond angle and an increase of Jahn-Teller type distortion in MnO6 octahedra with increasing Ca. The resistance value of high resistance state, switching voltage and resistive switching ratio of La0.7Sr0.3-xCa xMnO3 films decreased with increasing amounts of Ca substituent. The relationships among structural, interfacial, and electrical properties including resistive switching behaviour of La0.7Sr 0.3-xCaxMnO3 were examined.

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The effect of Ca substitution on the structural and electrical properties of La_0.7Sr_0.3-xCa_xMnO₃ perovskite manganite films

Abstract

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