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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202005868
|2 doi
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|a pubmed24n1061.xml
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|a (DE-627)NLM318492598
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|a (NLM)33283383
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|a DE-627
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|e rakwb
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|a eng
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|a Singh, Akash
|e verfasserin
|4 aut
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|a Reversible Crystal-Glass Transition in a Metal Halide Perovskite
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 22.02.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 Wiley-VCH GmbH.
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|a Crystalline metal halide perovskites (MHPs) have provided unprecedented advances in interdisciplinary fields of materials, electronics, and photonics. While crystallinity offers numerous advantages, the ability to access a glassy state with distinct properties provides unique opportunities to extend the associated structure-property relationship, as well as broaden the application space for MHPs. Amorphous analogs for MHPs have so far been restricted to high pressures, limiting detailed studies and applications. Here, a 2D MHP is structurally tailored using bulky chiral organic cations to exhibit an unusual confluence of exceptionally low melting temperature (175 °C) and inhibited crystallization. The chiral MHP can thus be melt-quenched into a stable glassy state, otherwise inhibited in the analogous racemic MHP. Facile and reversible switching between glassy and crystalline states is demonstrated for the chiral MHP, each with distinct optoelectronic character, opening new opportunities for applications including, for example nonvolatile memory, optical communication, and neuromorphic computing
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|a Journal Article
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|a glass transition
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4 |
|a hybrid perovskite
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4 |
|a melt-processing
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|a perovskite glass
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| 650 |
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|a phase change material
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| 700 |
1 |
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|a Jana, Manoj K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mitzi, David B
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 3 vom: 01. Jan., Seite e2005868
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:33
|g year:2021
|g number:3
|g day:01
|g month:01
|g pages:e2005868
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202005868
|3 Volltext
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