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|a 10.1021/acs.chemmater.3c01509
|2 doi
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|a pubmed24n1209.xml
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|a (DE-627)NLM362762643
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Hauble, Ashlee K
|e verfasserin
|4 aut
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|a Experiment and Theory in Concert To Unravel the Remarkable Electronic Properties of Na-Doped Eu11Zn4Sn2As12
|b A Layered Zintl Phase
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|c 2023
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 30.10.2023
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Published by American Chemical Society.
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|a Low-dimensional materials have unique optical, electronic, mechanical, and chemical properties that make them desirable for a wide range of applications. Nano-scaling materials to confine transport in at least one direction is a common method of designing materials with low-dimensional electronic structures. However, bulk materials give rise to low-dimensional electronic structures when bonding is highly anisotropic. Layered Zintl phases are excellent candidates for investigation due to their directional bonding, structural variety, and tunability. However, the complexity of the structure and composition of many layered Zintl phases poses a challenge for producing phase-pure bulk samples to characterize. Eu11Zn4Sn2As12 is a layered Zintl phase of significant complexity that is of interest for its magnetic, electronic, and thermoelectric properties. To prepare phase-pure Eu11-xNaxZn4Sn2As12, a binary EuAs phase was employed as a precursor, along with NaH. Experimental measurements reveal low thermal conductivity and a high Seebeck coefficient, while theoretical electronic structure calculations reveal a transition from a 3D to 2D electronic structure with increasing carrier concentration. Simulated thermoelectric properties also indicate anisotropic transport, and thermoelectric property measurements confirm the nonparabolicity of the relevant bands near the Fermi energy. Thermoelectric efficiency is known to improve as the dimensionality of the electronic structure is decreased, making this a promising material for further optimization and opening the door to further exploitation of layered Zintl phases with low-dimensional electronic structures for thermoelectric applications
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|a Journal Article
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|a Toriyama, Michael Y
|e verfasserin
|4 aut
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|a Bartling, Stephan
|e verfasserin
|4 aut
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|a Abdel-Mageed, Ali M
|e verfasserin
|4 aut
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| 700 |
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|a Snyder, G Jeffrey
|e verfasserin
|4 aut
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|a Kauzlarich, Susan M
|e verfasserin
|4 aut
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 35(2023), 18 vom: 26. Sept., Seite 7719-7729
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:18
|g day:26
|g month:09
|g pages:7719-7729
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|u http://dx.doi.org/10.1021/acs.chemmater.3c01509
|3 Volltext
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