npsm 새물리 New Physics : Sae Mulli

pISSN 0374-4914 eISSN 2289-0041
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Research Paper

New Phys.: Sae Mulli 2021; 71: 446-449

Published online May 31, 2021 https://doi.org/10.3938/NPSM.71.446

Copyright © New Physics: Sae Mulli.

Study on the Structural and Electrical Properties of La$_{0.7}$Ca$_{0.3}$MnO$_{3}$/CaMnO$_{3}$/ La$_{0.7}$Ca$_{0.3}$MnO$_{3}$ Heterostructures

Nguyen Thi My NHUNG, Heon-Jung KIM*

Department of Materials-Energy Science and Engineering, Daegu University, Gyeongsan 38453, Korea

Correspondence to:hjkim76@daegu.ac.kr

Received: January 7, 2021; Revised: February 22, 2021; Accepted: February 22, 2021

Abstract

In this study, we report the deposition of La$_{0.7}$Ca$_{0.3}$MnO$_{3}$/CaMnO$_{3}$/La$_{0.7}$Ca$_{0.3}$MnO$_{3}$ heterostructures on (100) SrTiO$_{3}$ substrates under optimal conditions for depositions of single layers of CaMnO$_{3}$ and La$_{0.7}$Ca$_{0.3}$MnO$_{3}$ by using the pulsed laser deposition (PLD) method. Using X-ray diffraction (XRD), atomic force microscopy (AFM), and resistivity measurements, we determined the crystallinity, morphology and electrical properties of these heterostructures. The surface of those films were smooth and uniform with small grains.

Keywords: PLD method, Manganites, Heterostructures, Perovskite

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