DataVXACS Applied Electronic MaterialsPaper
journal article·2022-04-26

Effects of Surface Polarity on the Structure and Magnetic Properties of Epitaxial h-YMnO3 Thin Films Grown on MgO Substrates

Tahta Amrillah, My Ngoc Duong, Yu-Xun Chen, Yugandhar Bitla, Malik Anjelh Baqiya, Fitri Nur Indah Sari, Le Thi Quynh, Angga Hermawan, Firman Mangasa Simanjuntak, Chia-Hao Chen, Kaung-Hsiung Wu, Jenh-Yih Juang

ACS Applied Electronic Materials· Volume 4· Issue 4
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Source abstract

Abstract

YMnO3 (YMO) thin film is one of the highly studied multiferroic materials due to its tunable crystalline structure via misfit strain from the substrate. This tunability involves intriguing physical phenomena that encourage further explorations for fundamental research and practical applications. The configuration of the initial atomic layers during the growth of YMO thin films plays a key role in determining their physical properties. In the present research, the correlation between the substrate’s polarity and the misfit strain of the YMO films is studied comprehensively. The results showed that despite the YMO films grown on MgO (100) and MgO (111) being under the same growth conditions and having resulted in the same hexagonal crystal structure (h-YMO), the films do exhibit distinctly different microstructures, electronic structures, and magnetic properties. We suggest that the extent of charge accumulation induced by the surface polarity of the substrates may have resulted in a substantially different intermixing feature at the h-YMO/substrate interfaces, which, in turn, alters the structure and thus the physical properties of the films. Our results open up the possibility of manipulating the h-YMO thin film’s magnetic properties by interfacial engineering without significantly altering the structure of the films which could benefit the fabrication efficiency for various next-generation electronics.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Multiferroics and related materials · Magnetic and transport properties of perovskites and related materials · Advanced Condensed Matter Physics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Nanotechnology, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya 60115, Indonesia

Department of Electrophysics, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan

National Synchrotron Radiation Research Center (NSRRC), Hsinchu 30076, Taiwan

Department of Physics, School of Physical Sciences, Central University of Rajasthan, Ajmer 305817, India

Department of Physics, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia

Department of Materials Science and Engineering, National Cheng Kung University, Tainan 70101, Taiwan

Department of Physics, National Tsinghua University, Hsinchu 30013, Taiwan

Institute of Multidisciplinary Research for Advanced Material (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-Ku, Sendai, Miyagi, Japan 980-8577

Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), South Tangerang City, Banten 15314, Indonesia

Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan

Funding

Universitas Airlangga · Ministry of Science and Technology, Taiwan

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