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Multisite Exchange-Enhanced Barocaloric Response in Mn3NiN

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F18%3A00326018" target="_blank" >RIV/68407700:21230/18:00326018 - isvavai.cz</a>

  • Result on the web

    <a href="https://journals.aps.org/prx/abstract/10.1103/PhysRevX.8.041035" target="_blank" >https://journals.aps.org/prx/abstract/10.1103/PhysRevX.8.041035</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevX.8.041035" target="_blank" >10.1103/PhysRevX.8.041035</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Multisite Exchange-Enhanced Barocaloric Response in Mn3NiN

  • Original language description

    We study the barocaloric effect (BCE) in the geometrically frustrated antiferromagnet Mn3NiN across the Neel transition temperature. Experimentally, we find a larger barocaloric entropy change by a factor of 1.6 than that recently discovered in the isostructural antiperovskite Mn3GaN despite significantly greater magnetovolume coupling in Mn3GaN. By fitting experimental data to theory, we show that the larger BCE of Mn3NiN originates from multisite exchange interactions amongst the local Mn magnetic moments and their coupling with itinerant electron spins. Using this framework, we discuss the route to maximize the BCE in the wider Mn(3)AN family.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review X

  • ISSN

    2160-3308

  • e-ISSN

  • Volume of the periodical

    8

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

  • UT code for WoS article

    000451579700001

  • EID of the result in the Scopus database

    2-s2.0-85058032937