Results 171 to 180 of about 53,971 (223)

Anomalous Nernst effect in the noncollinear antiferromagnet Mn₅Si₃

Sürgers, Christoph, Fischer, Gerda, Campos, Warlley H., Hellenes, Anna Birk, Šmejkal, Libor, Sinova, Jairo, Merz, Michael, Wolf, Thomas, Wernsdorfer, Wolfgang   +8 more
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Large anomalous Nernst effect in the ferromagnetic Fe3Si polycrystal

The high-throughput calculation predicts that the Fe-based cubic ferromagnet Fe$_3$Si may exhibit a large anomalous Nernst effect (ANE). Here, we report our experimental observation of the large Nernst coefficient $S_{yx}\sim$2 $\mu$V/K and the ...
Yangming Wang, S. Minami, A. Sakai, Taishi Chen, Zili Feng, Daisuke Nishio-Hamane, Satoru Nakatsuji   +6 more
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Anomalous Nernst Effect in an Antiperovskite Antiferromagnet

Physical Review Applied, 2022
The anomalous Nernst effect (ANE), the generation of a transverse electric voltage by a longitudinal temperature gradient, has attracted increasing interest from researchers recently, due to its potential in thermoelectric power conversion and close relevance to the Berry curvature of the band structure.
Yunfeng You, Hei Lam, Caihua Wan, Chunlei Wan, Wenxuan Zhu, Lei Han, Hua Bai, Yongjian Zhou, Leilei Qiao, Tongjin Chen, Feng Pan, Junwei Liu, Cheng Song   +12 more
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Giant anomalous Nernst effect in polycrystalline thin films of the Weyl ferromagnet Co2MnGa

Applied Physics Letters, 2023
Recent discoveries of topological magnets have opened up diverse spintronic applications of large responses due to their unique band structures. A prominent example is the anomalous Nernst effect (ANE), a transverse magneto-thermoelectric phenomenon that
R. Uesugi, T. Higo, Satoru Nakatsuji
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Anomalous Nernst Effects in Pyrochlore Molybdates with Spin Chirality

Physical Review Letters, 2008
The transverse thermoelectric (Nernst) effect on pyrochlore molybdates is investigated experimentally. In Nd(2)Mo(2)O(7) and Sm(2)Mo(2)O(7) with the spin chirality, the Nernst signal, which mostly arises from the transverse heat current (or equivalently the transverse Peltier coefficient alpha(xy)), shows a low-temperature (20-30 K) positive extremum ...
Hanasaki, N., Sano, K., Onose, Y., Ohtsuka, T., Iguchi, S., Kézsmárki, István, Miyasaka, S., Onoda, S., Nagaosa, N., Tokura, Y.   +9 more
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Anomalous suppression of Nernst effect in La0.7Ca0.3MnO3

Solid State Communications, 1999
Abstract We report on the magnetization, colossal magnetoresistance (CMR), thermoelectric power (TEP) and Nernst coefficient (Q) measurements of a La0.7Ca0.3MnO3 bulk ceramic sample (Tc∼265 K). The semiconductor—metal transition near Tc is attributed to an increase in the hole density.
R Suryanarayanan, V Gasumyants, N Ageev
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Anomalous Nernst effect in Fe–Si alloy films

Applied Physics Letters, 2021
We experimentally investigated the anomalous Nernst effect (ANE) in an Fe3Si film, whose ANE was predicted to be large, based on the topological property and the Berry curvature, and systematically compared it with other compositions of iron-silicide, viz., Fe2Si, FeSi, and FeSi2 films.
Yuki Hamada, Yuichiro Kurokawa, Tomoki Yamauchi, Hiroki Hanamoto, Hiromi Yuasa   +4 more
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High-throughput development of flexible amorphous materials showing large anomalous Nernst effect via automatic annealing and thermoelectric imaging

Materials Today
This work demonstrates high-throughput screening of flexible magnetic materials for efficient transverse thermoelectric conversion based on the anomalous Nernst effect (ANE).
Sang J. Park, Ravi Gautam, A. Alasli, T. Hirai, Fuyuki Ando, Hosei Nagano, H. Sepehri‐Amin, K. Uchida   +7 more
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Simultaneous achievement of large anomalous Nernst effect and reduced thermal conductivity in sintered polycrystalline topological Heusler ferromagnets

Acta Materialia
This study reports the observation of the large anomalous Nernst effect in polycrystalline ferromagnetic Co$_{2}$MnGa (CMG) slabs prepared by a spark plasma sintering method.
Koichi Oyanagi, H. Sepehri‐Amin, Kenta Takamori, T. Tadano, Takumi Imamura, Ren Nagasawa, Krishnan Mahalingam, T. Hirai, Fuyuki Ando, Y. Sakuraba, Satoru Kobayashi, K. Uchida   +11 more
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Tuning terahertz emission generated by anomalous Nernst effect in ferromagnetic metal

Applied Physics Reviews, 2023
Despite intensive research, the mechanism determining the terahertz (THz) emission of the ferromagnetic (FM) metallic monolayers remains elusive. Here, we report on the results of a systematic investigation on the THz emission generated by pumping ...
Hui Zhang, Zheng Feng, Guansong Li, Liang Zhang, Xiaobing Chen, H. Bai, Song Sun, Jin Tang, Jine Zhang, Furong Han, Huaiwen Yang, W. Tan, Yuansha Chen, F. Hu, J. Cai, Liang Guo, Su-Gyun Shin, Weisheng Zhao, Bao-ben Shen, Jirong Sun   +19 more
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