Ferroelectric Field Effect Induced Asymmetric Resistive Switching Effect in BaTiO(3)/Nb:SrTiO(3) Epitaxial Heterojunctions.
Ferroelectric Field Effect Induced Asymmetric Resistive Switching Effect in BaTiO(3)/Nb:SrTiO(3) Epitaxial Heterojunctions.
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DOI:
10.1186/s11671-018-2513-6
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发表时间:
2018-04-13
影响因子:
--
通讯作者:
Zhang W
中科院分区:
文献类型:
--
作者:
Jia C;Li J;Yang G;Chen Y;Zhang W
Asymmetric resistive switching processes were observed in BaTiO3/Nb:SrTiO3 epitaxial heterojunctions. The SET switching time from the high-resistance state to low-resistance state is in the range of 10 ns under + 8 V bias, while the RESET switching time from the low-resistance state to high-resistance state is in the range of 105 ns under − 8 V bias. The ferroelectric polarization screening controlled by electrons and oxygen vacancies at the BaTiO3/Nb:SrTiO3 heterointerface is proposed to understand this switching time difference. This switch with fast SET and slow RESET transition may have potential applications in some special regions.
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