Numerical Study on Resistance Change Characteristics of Phase Change Materials

Phase change materials are a type of emerging materials whose states will change under certain conditions, which then lead to changes in resistance. To study the characteristics of the phase change materials, a numerical simulation model of the resistive change unit based on the finite element metho...

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Main Authors: Yifang Su, Yihang Zhang, Kaifeng Lin, Guanjun Zhao, Qinzheng Yu, Zuoqi Hu, Xiongfei Tao
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2021/7934173
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author Yifang Su
Yihang Zhang
Kaifeng Lin
Guanjun Zhao
Qinzheng Yu
Zuoqi Hu
Xiongfei Tao
author_facet Yifang Su
Yihang Zhang
Kaifeng Lin
Guanjun Zhao
Qinzheng Yu
Zuoqi Hu
Xiongfei Tao
author_sort Yifang Su
collection DOAJ
description Phase change materials are a type of emerging materials whose states will change under certain conditions, which then lead to changes in resistance. To study the characteristics of the phase change materials, a numerical simulation model of the resistive change unit based on the finite element method and the classic nucleation/growth theory is established, while the partial differential equations of electricity and heat conduction and the discrete formula of the finite element are also derived. According to the phase transition process of phase change materials, a crystalline-amorphous simulation model is also proposed in this paper to simulate the electrical and thermal properties and phase transition process of the resistive change unit. Simulations of the resistance change unit under single pulses with different amplitudes and widths as well as the simulations under continuous pulses are conducted in this paper. These results verify the characteristics of resistance change and can provide references for selecting the parameters of the resistance change units.
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institution Kabale University
issn 1687-8434
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language English
publishDate 2021-01-01
publisher Wiley
record_format Article
series Advances in Materials Science and Engineering
spelling doaj-art-f7c5de44644645daaaca153075e8cad12025-02-03T07:23:57ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422021-01-01202110.1155/2021/79341737934173Numerical Study on Resistance Change Characteristics of Phase Change MaterialsYifang Su0Yihang Zhang1Kaifeng Lin2Guanjun Zhao3Qinzheng Yu4Zuoqi Hu5Xiongfei Tao6State Grid Zhejiang Power Company, Hangzhou 310000, ChinaState Grid Jinhua Power Company, Jinhua 321000, ChinaState Grid Jinhua Power Company, Jinhua 321000, ChinaState Grid Jinhua Power Company, Jinhua 321000, ChinaState Grid Jinhua Power Company, Jinhua 321000, ChinaSchool of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, ChinaSchool of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, ChinaPhase change materials are a type of emerging materials whose states will change under certain conditions, which then lead to changes in resistance. To study the characteristics of the phase change materials, a numerical simulation model of the resistive change unit based on the finite element method and the classic nucleation/growth theory is established, while the partial differential equations of electricity and heat conduction and the discrete formula of the finite element are also derived. According to the phase transition process of phase change materials, a crystalline-amorphous simulation model is also proposed in this paper to simulate the electrical and thermal properties and phase transition process of the resistive change unit. Simulations of the resistance change unit under single pulses with different amplitudes and widths as well as the simulations under continuous pulses are conducted in this paper. These results verify the characteristics of resistance change and can provide references for selecting the parameters of the resistance change units.http://dx.doi.org/10.1155/2021/7934173
spellingShingle Yifang Su
Yihang Zhang
Kaifeng Lin
Guanjun Zhao
Qinzheng Yu
Zuoqi Hu
Xiongfei Tao
Numerical Study on Resistance Change Characteristics of Phase Change Materials
Advances in Materials Science and Engineering
title Numerical Study on Resistance Change Characteristics of Phase Change Materials
title_full Numerical Study on Resistance Change Characteristics of Phase Change Materials
title_fullStr Numerical Study on Resistance Change Characteristics of Phase Change Materials
title_full_unstemmed Numerical Study on Resistance Change Characteristics of Phase Change Materials
title_short Numerical Study on Resistance Change Characteristics of Phase Change Materials
title_sort numerical study on resistance change characteristics of phase change materials
url http://dx.doi.org/10.1155/2021/7934173
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