IHEP OpenIR  > 北京同步辐射装置
Structural Characteristics of Amorphous Calcium Sulfate: Evidence to the Role of Water Molecules
BSRF用户
2021
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
EISSN1932-7455
Volume125Issue:6Pages:3415--3420
SubtypeArticle
AbstractAmorphous calcium sulfate (ACS) is intimately involved in the crystallization of calcium sulfate minerals, a major contributor to sulfur sequestration and a technological hindrance of scale formation, but its structural characteristics remain largely undiscovered. Here, we studied the structure of ACS nanoparticles captured under low CaSO4 concentration conditions. The ACS nanoparticles have a proto-gypsum property ranging from short-range to medium-range order, and water molecules are key structural constituents that are in a disordered state and 8-fold coordinated with Ca in the first coordination shell. More importantly, on a molecular scale, we give evidence concerning the energetic role of water molecules in promoting ions transport, molecule rearrangement, and development of a local coordination environment that facilitates structural evolution of ACS. This work reveals some important structural characteristics of ACS and has significance in providing a better understanding of the crystallization and biomineralization of water-bearing minerals.
DOI10.1021/acs.jpcc.0c10016
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000621429000016
ItemNoBSRF00670
beamline4B7A
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/293438
Collection北京同步辐射装置
Recommended Citation
GB/T 7714
BSRF用户. Structural Characteristics of Amorphous Calcium Sulfate: Evidence to the Role of Water Molecules[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2021,125(6):3415--3420.
APA BSRF用户.(2021).Structural Characteristics of Amorphous Calcium Sulfate: Evidence to the Role of Water Molecules.JOURNAL OF PHYSICAL CHEMISTRY C,125(6),3415--3420.
MLA BSRF用户."Structural Characteristics of Amorphous Calcium Sulfate: Evidence to the Role of Water Molecules".JOURNAL OF PHYSICAL CHEMISTRY C 125.6(2021):3415--3420.
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