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Shape Preserving Si...
Shape Preserving Single Crystal to Amorphous to Single Crystal Polymorphic Transformation Is Possible
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- Renier, Olivier (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden.
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- Bousrez, Guillaume (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden.
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- Baryshnikov, Gleb V. (författare)
- Linköpings universitet,KTH,Teoretisk kemi och biologi,KTH Royal Inst Technol, Sch Engn Sci Chem, Div Theoret Chem & Biol, Biotechnol & Hlth, S-10691 Stockholm, Sweden.;Linköping Univ, Dept Sci & Technol, Lab Organ Elect, SE-60174 Norrköping, Sweden.,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Paterlini, Veronica (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden.
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- Smetana, Volodymyr (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden.
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- Ågren, Hans (författare)
- Uppsala universitet,Kemisk och biomolekylär fysik,Uppsala Univ, Sweden
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- Rogers, Robin D. (författare)
- Univ Alabama, Coll Arts & Sci, Tuscaloosa, AL 35487 USA.
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- Mudring, Anja-Verena (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Aarhus University, Denmark,Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden.;Aarhus Univ, Dept Chem & iNANO, DK-8000 Aarhus, Denmark.
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(creator_code:org_t)
- 2021-11-23
- 2021
- Engelska.
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Ingår i: Journal of the American Chemical Society. - : American Chemical Society (ACS). - 0002-7863 .- 1520-5126. ; 143:48, s. 20202-20206
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Abstract
Ämnesord
Stäng
- Many crystalline materials form polymorphs and undergo solid–solid transitions between different forms as a function of temperature or pressure. However, there is still a poor understanding of the mechanism of transformation. Conclusions about the transformation process are typically drawn by comparing the crystal structures before and after the conversion, but gaining detailed mechanistic knowledge is strongly impeded by the generally fast rate of these transitions. When the crystal morphology does not change, it is assumed that crystallinity is maintained throughout the process. Here we report transformation between polymorphs of ZnCl2(1,3-diethylimidazole-2-thione)2 which are sufficiently slow to allow unambiguous assignment of single crystal to single crystal transformation with shape preservation proceeding through an amorphous intermediate phase. This result fundamentally challenges the commonly accepted views of polymorphic phase transition mechanisms.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Nyckelord
- Crystals
- Color
- Crystallization
- Crystal structure
- Phase transitions
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- ref (ämneskategori)
- art (ämneskategori)
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