Article (Scientific journals)
Pathways to crystal chirality: An algorithm to identify displacive chiral phase transitions
Gomez Ortiz, Fernando; Romero, Aldo; Bousquet, Eric
2025 • In Physical Review. B, 112 (1), p. 1 - 11
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Keywords :
Chiral phase transitions; Chiral phasis; Crystal chirality; Displacive transitions; First principle calculations; Parent structure; Pseudosymmetry; Soft-phonon mode; Space Groups; Structural relationship; Electronic, Optical and Magnetic Materials; Condensed Matter Physics
Abstract :
[en] We present an algorithm that integrates pseudosymmetry search with first-principles calculations to systematically identify achiral parent structures and establish potential chiral displacive transitions linking them to their corresponding chiral phases within the 22 enantiomorphic space groups. This approach enables a robust exploration of structural relationships, offering new insights into symmetry-driven properties. Our workflow streamlines the discovery of displacive chiral phase transitions driven by soft phonon modes, providing insights into the mechanisms of structural chirality in inorganic materials. We apply this methodology on the chiral phases of TeO2, Na2SeO9, Sr2As2O7, As2O5, Rb2Be2O3, and CaTe2O3. Demonstrating that some do not have a minimal supergroup that allows for an achiral phase; some can have a minimal supergroup, still, no unstable phonon mode exists in the achiral phase; and somewhere the minimal supergroup exists with a soft phonon mode connecting the identified achiral phase and the chiral phase through small continuous displacements.
Research Center/Unit :
Q-MAT - Quantum Materials - ULiège
Disciplines :
Physics
Author, co-author :
Gomez Ortiz, Fernando ;  Université de Liège - ULiège > Département de physique > Physique théorique des matériaux
Romero, Aldo ;  Université de Liège - ULiège > Département de physique > Physique des matériaux et nanostructures ; Department of Physics and Astronomy, West Virginia University, Morgantown, United States
Bousquet, Eric  ;  Université de Liège - ULiège > Département de physique > Physique théorique des matériaux
Language :
English
Title :
Pathways to crystal chirality: An algorithm to identify displacive chiral phase transitions
Publication date :
17 July 2025
Journal title :
Physical Review. B
ISSN :
2469-9950
eISSN :
2469-9969
Publisher :
American Physical Society
Volume :
112
Issue :
1
Pages :
1 - 11
Peer reviewed :
Peer Reviewed verified by ORBi
Tags :
CÉCI : Consortium des Équipements de Calcul Intensif
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique
Waalse Gewest
EU - European Union
NSF - National Science Foundation
NASA - National Aeronautics and Space Administration
Funding text :
We acknowledge helpful discussions with Luis Elcoro, administrator of the Bilbao Crystallographic Server. F.G.-O. acknowledges financial support from MSCA-PF 101148906 funded by the European Union and the Fonds de la Recherche Scientifique (FNRS) through the FNRS-CR 1.B.227.25F grant. F.G.-O. and E.B. acknowledge the Fonds de la Recherche Scientifique (FNRS) for financial support, the PDR project CHRYSALID No. 40003544 and the Consortium des \u00C9quipements de Calcul Intensif (C\u00C9CI), funded by the F.R.S.-FNRS under Grant No. 2.5020.11 and the Tier-1 Lucia supercomputer of the Walloon Region, infrastructure financed by the Walloon Region under the Grant No. 1910247. F.G.-O. and E.B. also acknowledge support from the European Union\u2019s Horizon 2020 research and innovation program under Grant No. 964931 (TSAR).We also thank the Pittsburgh Supercomputer Center (Bridges2) and San Diego Supercomputer Center (Expanse) through allocation DMR140031 from the Advanced Cyberinfrastructure Coordination Ecosystem: Services & Support (ACCESS) program, which National Science Foundation supports Grants No. 2138259, No. 2138286, No. 2138307, No. 2137603, and No. 2138296. We also recognize the computational resources provided by the WVU Research Computing Dolly Sods HPC cluster, which is funded in part by NSF OAC-2117575. We also recognize the support of the West Virginia High Education Policy Commission under the call Research Challenge Grand Program 2022, Award No. RCG 23-007 and NASA EPSCoR Award No. 80NSSC22M0173
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