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Spintronic thermal management
Ken-ichi Uchida, Ryo Iguchi
In spin caloritronics, a branch of spintronics, the spin degree of freedom is exploited for thermoelectric conversion and thermal transport. Since the inception of spin caloritroni…
Phase-transition-induced giant Thomson effect for thermoelectric cooling
Rajkumar Modak, Masayuki Murata, Dazhi Hou +7
The Seebeck and Peltier effects have been widely studied and used in various thermoelectric technologies, including thermal energy harvesting and solid-state heat pumps. However, b…
Magnonics vs. Ferronics
Gerrit E. W. Bauer, Ping Tang, Ryo Iguchi +1
Magnons are the elementary excitations of the magnetic order that carry spin, momentum, and energy. Here we compare the magnon with the ferron, i.e. the elementary excitation of th…
The Ferroelectric Point Contact
Ping Tang, Ryo Iguchi, Ken-ichi Uchida +1
We formulate a scattering theory of polarization and heat transport through a ballistic ferroelectric point contact. We predict a polarization current under either an electric fiel…
High-throughput imaging measurements of thermoelectric figure of merit
Abdulkareem Alasli, Asuka Miura, Ryo Iguchi +2
We demonstrate a method for the simultaneous determination of the thermoelectric figure of merit of multiple martials by means of the lock-in thermography (LIT) technique. This met…
Combinatorial tuning of electronic structure and thermoelectric properties in CoMnAlSi Weyl semimetals
Rajkumar Modak, Kazuki Goto, Shigenori Ueda +3
A tuning of Fermi level (E) near Weyl points is one of the promising approaches to realize large anomalous Nernst effect (ANE). In this work, we introduce an efficient approach…