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High-pressure evolution of the magnetic order in LaMnO3

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F23%3A00572066" target="_blank" >RIV/68378271:_____/23:00572066 - isvavai.cz</a>

  • Result on the web

    <a href="http://doi.org/10.1103/PhysRevB.107.144426" target="_blank" >http://doi.org/10.1103/PhysRevB.107.144426</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevB.107.144426" target="_blank" >10.1103/PhysRevB.107.144426</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    High-pressure evolution of the magnetic order in LaMnO3

  • Original language description

    A relationship between evolution of the long-range magnetic order, crystal structure, and lattice distortions in LaMnO3 was studied by a combination of neutron diffraction and Raman spectroscopy at high pressures up to 39 and 50 GPa, respectively, covering the temperature range 5 to 290 K. The Raman spectra reveal a gradual structural phase transformation evolving in the pressure range of 4 to 17 GPa, caused by a modification of the Jahn-Teller (JT) lattice distortions from the static cooperative character to the local one. A presence of residual JT-distorted regions associated with the initial phase is detected up to 32 GPa, where the insulator-metal transition occurs. At higher pressure, the local JT distortions also vanish completely at further compression up to 50 GPa. In the neutron diffraction data, a strong suppression of the A-type antiferromagnetic (AFM) phase is observed over the pressure region of the phase transformation.

  • 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

    2023

  • 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

    2469-9969

  • Volume of the periodical

    107

  • Issue of the periodical within the volume

    14

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

    144426

  • UT code for WoS article

    000978680800004

  • EID of the result in the Scopus database

    2-s2.0-85158869966