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Local structural evolution in the anionic solid solution ZnSexS1-x

Dan, Tinku (författare)
Solid State and Structural Chemistry Unit, Indian Institute of Science, Bengaluru, India,Indian Inst Sci, Solid State & Struct Chem Unit, Bengaluru 560012, India.
Mohanty, Ashutosh (författare)
Solid State and Structural Chemistry Unit, Indian Institute of Science, Bengaluru, India,Indian Inst Sci, Solid State & Struct Chem Unit, Bengaluru 560012, India.
Dutta, Anirban (författare)
Solid State and Structural Chemistry Unit, Indian Institute of Science, Bengaluru, India,Indian Inst Sci, Solid State & Struct Chem Unit, Bengaluru 560012, India.
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Varma, Rahul Mahavir (författare)
Solid State and Structural Chemistry Unit, Indian Institute of Science, Bengaluru, India,Indian Inst Sci, Solid State & Struct Chem Unit, Bengaluru 560012, India.
Sarkar, Sagar (författare)
Asia Pacific Center for Theoretical Physics, Pohang, Korea,Asia Pacific Ctr Theoret Phys, Pohang 37673, South Korea.
Di Marco, Igor (författare)
Uppsala universitet,Materialteori,Asia Pacific Ctr Theoret Phys, Pohang 37673, South Korea; POSTECH, Dept Phys, Pohang 37673, South Korea
Eriksson, Olle, 1960- (författare)
Uppsala universitet,Örebro universitet,Institutionen för naturvetenskap och teknik,Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden,Materialteori,Örebro Univ, Sch Sci & Technol, SE-70182 Örebro, Sweden
Welter, Edmund (författare)
Deutsches Elektronen-Synchrotron, A Research Centre of the Helmholtz Association, Hamburg, Germany,Deutsch Elekt Synchrotron, Res Ctr Helmholtz Assoc Notkestr, Notkestr 85, D-22607 Hamburg, Germany.
Pollastri, Simone (författare)
Elettra-Sincrotrone Trieste S.C.p.A., SS14, km 163.5 in AREA Science Park, Basovizza, Trieste, Italy,Elettra Sincrotrone Trieste SCpA, SS14,Km 163-5 Area Sci Pk, I-34149 Trieste, Italy.
Olivi, Luca (författare)
Elettra-Sincrotrone Trieste S.C.p.A., SS14, km 163.5 in AREA Science Park, Basovizza, Trieste, Italy,Elettra Sincrotrone Trieste SCpA, SS14,Km 163-5 Area Sci Pk, I-34149 Trieste, Italy.
Priolkar, K. R. (författare)
Department of Physics, Goa University, Goa, India,Goa Univ, Dept Phys, Taleigao 403206, Goa, India.
Sarma, D. D. (författare)
Solid State and Structural Chemistry Unit, Indian Institute of Science, Bengaluru, India,Indian Inst Sci, Solid State & Struct Chem Unit, Bengaluru 560012, India.
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Solid State and Structural Chemistry Unit, Indian Institute of Science, Bengaluru, India Indian Inst Sci, Solid State & Struct Chem Unit, Bengaluru 560012, India (creator_code:org_t)
American Physical Society, 2021
2021
Engelska.
Ingår i: Physical Review B. - : American Physical Society. - 2469-9950 .- 2469-9969. ; 104:18
Relaterad länk:
https://urn.kb.se/re...
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https://doi.org/10.1...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The century-old Vegard's law has been remarkably accurate in describing the evolution of the lattice parameters of almost all solid solutions. Contractions or expansions of lattice parameters of such systems depend on the size of the guest atom being smaller or larger than the host atom it replaces to form the solid solution. This has given rise to the concept of "chemical pressure" in analogy to the physical pressure. We have investigated using EXAFS the evolution of the local structure in terms of atom-pair distances extending up to the third-nearest neighbors in the family of compounds, ZnSexS1-x as an example of an anionic solid solution, in contrast to all previous studies focusing on cationic solid solutions. Our results establish several common features between these two types of solid solutions, while strongly suggesting that the concept of a chemical pressure is inaccurate and misleading. Most interestingly, we also find a qualitative difference between the cationic solid solutions, reported earlier, and the anionic solid solution.

Ämnesord

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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