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@@ -26,17 +26,17 @@ For grazing incidence,
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我们将这 21 个声子模式分为两类:18 个极性可以忽略的声子模式(即极性为零或非常弱的声子),在拉曼散射过程中它们的电极性造成的效应可以忽略;
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和 3 个强极性声子模式,在拉曼光谱中电极性效应是可观测的。
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At each such position near the #sym.Gamma point,
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there exist 21 phonon modes (with degeneracies counted accordingly).
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At each position near the #sym.Gamma point,
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there are 21 phonon modes (counting degeneracies).
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These modes were categorized into two groups according to their electrical polarities:
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18 negligible-polar phonons (i.e., zero or very weak electrical polarity),
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in which same species atoms vibrate in opposite directions and the electrical cancellated with each other,
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leading to negligible electrical polarity during Raman scattering process,
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shown as gray lines in @figure-discont;
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where atoms of the same species vibrate in opposite directions
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resulting in effective cancellation of electrical polarization during the Raman process
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(gray lines in @figure-discont);
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and three strong-polar phonons,
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in which all atoms of the same species vibrate in the same direction,
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resulting in a strong dipole moment and observable electrical polarity in Raman spectra,
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shown as colored lines in @figure-discont.
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where atoms of the same species vibrate in phase,
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resulting in strong electrical polarization and observable effects in Raman spectra,
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(colored lines in @figure-discont).
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#include "non-polar/default.typ"
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#include "polar/default.typ"
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@@ -37,10 +37,10 @@
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- [x] 英文
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- [x] 调整语言
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- [ ] 调整画图
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- [ ] 每个位置有 21 个模式
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- [x] 每个位置有 21 个模式
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- [x] 中文
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- [x] 英文
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- [ ] 调整语言
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- [x] 调整语言
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- [/] 无缺陷
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- [ ] 总述
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- [x] Gamma 附近有 21 个模式,我们将它们分为强极性和弱极性
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