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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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김관래
Korean J. Met. Mater.
2022;60(9):629-643. Published online 2022 Aug 30
DOI:
https://doi.org/10.3365/KJMM.2022.60.9.629
Abstract
Given the social demand for self-powering wearable electronics, it is necessary to develop composite materials that exhibit both good flexibility and excellent piezoelectric performances. Intensive research on synthesis methods and devising characterization techniques for piezoelectric nanomaterials in various forms has been conducted. In particular, characterization techniques for piezoelectric nanomaterials require.....
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Korean J. Met. Mater.
2022;60(2):149-159. Published online 2022 Jan 12
DOI:
https://doi.org/10.3365/KJMM.2022.60.2.149
Abstract
Conductive atomic force microscopy (C-AFM) is one of the most commonly used characterization techniques for piezoelectric one-dimensional nanomaterials. However, a comprehensive understanding of the effects of certain scan parameters on the C-AFM signals remains elusive. In the present work, the dependency of C-AFM signals on the normal force, scan speed,.....
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Web of Science 1
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Korean J. Met. Mater.
2022;60(2):141-148. Published online 2022 Jan 12
DOI:
https://doi.org/10.3365/KJMM.2022.60.2.141
Abstract
A lead-free piezoelectric ceramic, (1-x)Ba(Zr
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-x(Ba
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(hereafter (1-x)BZT-xBCT), was investigated for functional device applications. Lead-free piezoelectric materials with high piezoelectric charge coefficients and voltage coefficients are indispensable for functional industrial applications. Piezoelectric ceramic specimens tend to shrink in size during the sintering process without melting. This study focused on this phenomenon.....
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Korean J. Met. Mater.
2021;59(6):412-421. Published online 2021 May 26
DOI:
https://doi.org/10.3365/KJMM.2021.59.6.412
Abstract
Intensive research has been conducted to develop flexible piezoelectric pressure sensors, since selfpowering devices are advantageous for wearable electronic applications. Recently, two types of piezoelectric devices, ceramic-PDMS composite film and PVDF nanofiber mats, have drawn attention in the research community. Piezoelectric ceramics such as BaTiO
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Web of Science 4
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Korean J. Met. Mater.
2021;59(3):209-216. Published online 2021 Feb 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.3.209
Abstract
Zinc oxide (ZnO) simultaneously exhibits semiconducting and piezoelectric properties. ZnO in the form of nanorods has been studied intensively for application in self-powering devices. The power generation in piezoelectric nanogenerators based on ZnO nanorods can be improved via several approaches, including an oxygen plasma treatment. When ZnO nanorods are exposed.....
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Web of Science 5
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전도식 원자현미경을 이용한 ZnO 나노로드 기반 압전 나노발전기의 사이즈 의존성 평가
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양이준, 김관래
Korean J. Met. Mater.
2020;58(1):67-75. Published online 2020 Jan 1
DOI:
https://doi.org/10.3365/KJMM.2020.58.1.67
Abstract
ZnO nanorods are one of the most studied materials because it can be facilely grown on a wide range of substrates at low temperature. ZnO exhibits piezoelectricity as well as semiconducting properties, and hence is applicable to piezoelectric nanogenerators and sensors. In the present work, the effect of ZnO nanorods’.....
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Web of Science 8
Crossref 6
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