IHEP OpenIR  > 北京同步辐射装置
Strain-driven structural selection and amorphization during first-order phase transitions in nanocrystalline Ho2O3 under pressure
BSRF用户
2021
Source PublicationPHYSICAL REVIEW B
ISSN2469-9950
EISSN2469-9969
Volume103Issue:14Pages:L140103
SubtypeArticle
AbstractPressure-induced first-order phase transition often involves spatial disruption around the nucleus of a new phase, due to the inherent volume change. Atomic relaxations during this process produce lattice strain that in turn affects the nucleation kinetics and dynamics of transition, especially in nanoparticles. However, it is difficult to experimentally measure the lattice strain of materials, leading to many unsettled questions regarding size-dependent phenomena in nanomaterials at pressure. Here we present a method to determine the lattice strain of nanoparticles during first-order phase transitions using the pressure-volume data. A case study of nano-Ho2O3 with multiple pressure-induced phase transitions is systematically performed to reveal the critical role of lattice strain in the size-dependent phase selection and amorphization. A phenomenological model is also given to describe the metastability of intermediate phases and size-tunable phase evolution during the nucleation of new phases at pressure.
DOI10.1103/PhysRevB.103.L140103
Indexed BySCI ; ADS
Language英语
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000646666600004
ADS Bibcode2021PhRvB.103n0103Y
ADS URLhttps://ui.adsabs.harvard.edu/abs/2021PhRvB.103n0103Y
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2021PhRvB.103n0103Y/citations
ItemNoBSRF00917
beamline4W2
Citation statistics
Cited Times:2 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/293685
Collection北京同步辐射装置
Recommended Citation
GB/T 7714
BSRF用户. Strain-driven structural selection and amorphization during first-order phase transitions in nanocrystalline Ho2O3 under pressure[J]. PHYSICAL REVIEW B,2021,103(14):L140103.
APA BSRF用户.(2021).Strain-driven structural selection and amorphization during first-order phase transitions in nanocrystalline Ho2O3 under pressure.PHYSICAL REVIEW B,103(14),L140103.
MLA BSRF用户."Strain-driven structural selection and amorphization during first-order phase transitions in nanocrystalline Ho2O3 under pressure".PHYSICAL REVIEW B 103.14(2021):L140103.
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