Tunable Ferroelectric Properties in Wurtzite (Al0.8Sc0.2)N via Crystal Anisotropy
Tunable Ferroelectric Properties in Wurtzite (Al0.8Sc0.2)N via Crystal Anisotropy
复制标题
通过晶体各向异性可调节纤锌矿 (Al0.8Sc0.2)N 的铁电性能
DOI:
10.1021/acsaelm.2c00999
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发表时间:
2022
影响因子:
4.7
通讯作者:
Funakubo Hiroshi
中科院分区:
文献类型:
--
作者:
Yasuoka Shinnosuke;Mizutani Ryoichi;Ota Reika;Shiraishi Takahisa;Shimizu Takao;Uehara Masato;Yamada Hiroshi;Akiyama Morito;Funakubo Hiroshi
The effect of pure mechanical strain on ferroelectricity was investigated for (001)-one-axis-oriented (Al0.8Sc0.2)N films deposited on (111)Pt-coated substrates with different thermal expansion coefficients. The mechanical lattice strains were successfully controlled by using substrates with different thermal expansion coefficients, though the composition of the films is the same. The changes in the remanent polarization (Pr) and coercive field (Ec) values of these films can be understood by the internal parameterurepresenting crystal anisotropy of a wurtzite structure. These results suggest that the ferroelectric properties of (Al1–xScx)N films can be tuned via crystal anisotropy.
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DOI:
10.1111/j.1151-2916.1926.tb17176.x
发表时间:
1926
期刊:
影响因子:
--
作者:
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通讯作者:
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影响因子:
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