Magnon-drag thermopower in antiferromagnets versus ferromagnets

Author:

Polash Md. Mobarak Hossain12345ORCID,Mohaddes Farzad5234,Rasoulianboroujeni Morteza6784ORCID,Vashaee Daryoosh12345ORCID

Affiliation:

1. Department of Materials Science and Engineering

2. North Carolina State University

3. Raleigh

4. USA

5. Department of Electrical and Computer Engineering

6. School of Dentistry

7. Marquette University

8. Milwaukee

Abstract

Multi magnon interaction with carriers limits the magnon lifetime in FMs compared to AFMs. The longer lifetime, double degeneracy, and higher group velocity of magnons in AFMs generally lead to higher first-order magnon-carrier drag thermopower.

Funder

Air Force Office of Scientific Research

National Science Foundation

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

Reference41 articles.

1. Magnon-drag thermopile

2. Magnon-drag thermopower and Nernst coefficient in Fe, Co, and Ni

3. Paramagnon drag in high thermoelectric figure of merit Li-doped MnTe

4. D. Vashaee , M. M. H.Polash , V.Perelygin , M.Rasoulianboroujeni , Y.Zheng , T.Lu , N.Liu , M.Manley , R.Hermann , A. I.Smirnov , J. P. C.Heremans and H.Zhao , Spin Effects Making zT > 1, Bulletin of the American Physical Society, March 4–8, 2019, Boston, Massachusetts

5. D. Vashaee , M. M. H.Polash , V.Perelygin , M.Rasoulianboroujeni , Y.Zheng , T.Lu , N.Liu , M. E.Manley , R. P.Hermann , A. I.Smirnov , J. P.Heremans and H.Zhao , Spin Effects in Paramagnetic Thermoelectric Materials Leading to zT > 1, ICT/ACT 2019, June 30–July 4, 2019, Gyeongju, Korea

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