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Electronic structure in the twinned 10M martensite phase of the Ni49.7Mn29.1Ga21.2 Heusler alloy: experiment and theory

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F18%3A00496947" target="_blank" >RIV/68378271:_____/18:00496947 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1103/PhysRevB.98.184407" target="_blank" >http://dx.doi.org/10.1103/PhysRevB.98.184407</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevB.98.184407" target="_blank" >10.1103/PhysRevB.98.184407</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Electronic structure in the twinned 10M martensite phase of the Ni49.7Mn29.1Ga21.2 Heusler alloy: experiment and theory

  • Original language description

    In shape memory materials the fine twinned microstructure plays a fundamental role. Here we show that in the martensite phase of Ni-Mn-Ga Heusler alloy, the fine features of electronic structure are not caused by intrinsic electronic changes but mesoscopically different orientations of ferroelastic domains, i.e., twins. The cuts of Fermi surfaces of a (pseudo) tetragonally distorted Ni49.7Mn29.1Ga21.2 Heusler single crystal with a (100) surface orientation were measured using angle-resolved photoemission spectroscopy and compared with first-principles calculations. In this work we demonstrated that the measured photoelectron spectrum was a projection of three separate electronic structures originating from single a-a and two perpendicular a-c ferroelastic domains with a twinned relationship. The twinning results in pseudosplitting of the experimentally observed bands at Fermi level.n

  • 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

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

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 B

  • ISSN

    2469-9950

  • e-ISSN

  • Volume of the periodical

    98

  • Issue of the periodical within the volume

    18

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

  • UT code for WoS article

    000449386900003

  • EID of the result in the Scopus database

    2-s2.0-85056307255