Doping control of magnetism and emergent electromagnetic induction in high-temperature helimagnets
Doping control of magnetism and emergent electromagnetic induction in high-temperature helimagnets
复制标题
高温螺旋磁体中磁性和突发电磁感应的掺杂控制
DOI:
10.1103/physrevb.107.024406
复制
发表时间:
2023
影响因子:
3.7
通讯作者:
Tokura Yoshinori
中科院分区:
文献类型:
--
作者:
Kitaori Aki;White Jonathan S.;Kanazawa Naoya;Ukleev Victor;Singh Deepak;Furukawa Yuki;Arima Taka-hisa;Nagaosa Naoto;Tokura Yoshinori
Ac current-driven motions of spiral spin textures can give rise to emergent electric fields acting on conduction electrons. This in turn leads to the emergent electromagnetic induction effect which may realize quantum inductor elements of micrometer size.is a helimagnet with a short helical period (2–3 nm) that shows this type of emergent inductance beyond room temperature. To identify the optimized materials conditions for-type room-temperature emergent inductors, we have investigated emergent electromagnetic inductance (EEMI) as the magnetism is modified through systematic partial substitution of Y by Tb. By small angle neutron scattering and inductance measurements, we have revealed that the pinning effect on the spin-helix translational mode by Tb doping selectively and largely suppresses the negative component of EEMI, while sustaining the positive inductance arising from the spin tilting mode. We also find that, in addition to the spin helix, even the spin-collinear antiferromagnetic structure can host the positive EEMI due to thermally enhanced spin fluctuations. The present study highlights the facile control of both the magnitude and sign of EEMI beyond room temperature and thus suggests a route to expand the range of emergent inductor candidate materials.
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影响因子:
64.8
作者:
T. Yokouchi;F. Kagawa;M. Hirschberger;Y. Otani;N. Nagaosa;Y. Tokura
通讯作者:
T. Yokouchi;F. Kagawa;M. Hirschberger;Y. Otani;N. Nagaosa;Y. Tokura
影响因子:
19.6
作者:
Schulz, T.;Ritz, R.;Rosch, A.
通讯作者:
Rosch, A.
DOI:
--
发表时间:
2017
期刊:
影响因子:
--
作者:
A. Bykov;Y. Chetverikov;E. Moskvin;A. Pirogov;S. Grigoriev
通讯作者:
S. Grigoriev
影响因子:
2.7
作者:
N. Mushnikov;A. Kuchin;E. Gerasimov;P. Terent’ev;V. Gaviko;V. V. Serikov;N. Kleinerman;A. V. Vershinin
通讯作者:
A. V. Vershinin