范霍夫奇點 的英文怎麼說
中文拼音 [fànhuòfūjīdiǎn]
范霍夫奇點
英文
van hove singularity-
After considering the curvature effects, we find that armchair tubes are yet metallic with no band gaps. as for metallic zigzag tubes and metallic chiral tubes, a curvature - induced band gap and two accessional von hove singularities can be found. the width of the band gap depends on its tube - diameter and chirality
我們發現,在考慮捲曲效應以後,扶手型管不產生帶隙,仍為金屬性管;而對于鋸齒型金屬性管和螺旋型金屬性管,因捲曲誘導在費米能附近產生一個窄的帶隙以及兩個附加的范?霍夫奇點峰。Van hove singularity
范霍夫奇點
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