On converse magnetoelectric effect in a twisted carbon nanotube under the influence of applied magnetic field

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• 作者：S. Sergeenkov ; F.M. Araujo-Moreira
• 关键词：Carbon nanotubes ; Torsional deformation ; Magnetoelectric effect ; Field induced transition
• 刊名：Physics Letters A
• 出版年：9 December, 2013
• 年：2013
• 卷：377
• 期：43
• 页码：3158-3160
• 全文大小：261 K

文摘

We present theoretical results concerning some unusual properties of linear converse magnetoelectric effect (MEE) in a twisted carbon nanotube under the influence of applied magnetic field . In addition to twist angle 胃 dependence of the zero-field paramagnetic MEE coefficient 伪, we found that for magnetic fields exceeding deformation induced intrinsic pseudomagnetic field (generated by the constant twist), 伪 changes its sign and becomes diamagnetic. The estimates of the model parameters suggest quite an optimistic possibility to experimentally realize the discussed phenomena in twisted carbon nanotubes and graphene nanoribbons.