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Updated: May 29, 2025

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在扭曲的过渡金属二甲基基化物中使用平面和可调节的莫雷音声

Alejandro Ramos-Alonso1, Benjamin Remez2, Daniel Bennett3

  • 1Columbia University, Department of Physics, New York, New York 10027, USA.

Physical review letters
|February 6, 2025
PubMed
概括

电场可以调整扭曲的过渡金属二二基因化同位体中的声子分散,创建独特的moiré声子光谱,具有软化声学和平面光学模式. 这种调会影响振动特性和铁电.

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Theory of Metallic Conduction01:17

Theory of Metallic Conduction

The conduction of free electrons inside a conductor is best described by quantum mechanics. However, a classical model makes predictions close to the results of quantum mechanics. It is called the theory of metallic conduction.
In this theory, Newton's second law of motion is used to determine the acceleration of an electron in the presence of an applied electric field. Then, its velocity is expressed via this acceleration.
An electron moves through the crystal, containing positive ions,...
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