Unconventional spin-dependent thermopower in epitaxial Co2Ti0.6V0.4Sn0.75 
Heusler film

Hu, Junfeng; Niu, Jingjing; Ernst, Benedikt; Tu, Sa; Hamzic, Amir; Liu, Chuanpu; Zhang, Youguang; Wu, Xiaosong; Felser, Claudia; Yu, Haiming

doi:10.1016/j.ssc.2019.113661

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Unconventional spin-dependent thermopower in epitaxial Co₂Ti_0.6V_0.4Sn_0.75 Heusler film

Hu, J., Niu, J., Ernst, B., Tu, S., Hamzic, A., Liu, C., et al. (2019). Unconventional spin-dependent thermopower in epitaxial Co₂Ti_0.6V_0.4Sn_0.75 Heusler film. Solid State Communications, 299: 113661, pp. 1-5. doi:10.1016/j.ssc.2019.113661.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0004-7289-1 Version Permalink: https://hdl.handle.net/21.11116/0000-0004-728B-F

Genre: Journal Article

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Creators:
Hu, Junfeng¹, Author
Niu, Jingjing¹, Author
Ernst, Benedikt², Author
Tu, Sa¹, Author
Hamzic, Amir¹, Author
Liu, Chuanpu¹, Author
Zhang, Youguang¹, Author
Wu, Xiaosong¹, Author
Felser, Claudia³, Author
Yu, Haiming¹, Author

Affiliations:
1External Organizations, ou_persistent22
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429

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Abstract: Spin-dependent thermoelectric transport properties have been experimentally studied on a micro-structured device based on epitaxially grown 75-nm-thick Co2Ti0.6V0.4Sn0.75 Heusler film with integrated heater and thermometers. The anomalous Nernst coefficient is found to be 0.5 mu V/K at 50 K. Thermoelectric power in both longitudinal and transverse directions have been measured with magnetic field rotated in-plane. Asymmetric peaks and valleys are observed at particular in-plane field angle around 25 K. These anomalous peaks show novel magnetic hysteresis due to the interplay between the magnetization and the temperature gradient. These complex behaviors of thermoelectric effect during magnetization reversal still need to be understood.

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Language(s): eng - English

Dates: Published Online: 2019-06-26Date issued: 2019-06-26

Publication Status: Issued

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Identifiers: ISI: 000477797400013
DOI: 10.1016/j.ssc.2019.113661

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Title: Solid State Communications

Abbreviation : Solid State Commun.

Source Genre: Journal

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Publ. Info: New York : Pergamon

Pages: - Volume / Issue: 299 Sequence Number: 113661 Start / End Page: 1 - 5 Identifier: ISSN: 0038-1098
CoNE: https://pure.mpg.de/cone/journals/resource/954925445695