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250916s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202509308
|2 doi
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|a pubmed25n1569.xml
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|a (DE-627)NLM392612593
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|a (NLM)40952155
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Gao, Baizhi
|e verfasserin
|4 aut
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|a Structural Phase Separation and Enhanced Superconductivity in La1.875Ba0.125CuO4 Under Uniaxial Strain
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|c 2025
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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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|a Date Revised 15.09.2025
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2025 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.
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|a Strain engineering has attracted significant attention in recent years due to its capability in tuning lattice and electronic structures of quantum materials. Using moderate uniaxial compressive strain, structural phase separation is induced in the low-temperature phase of x = 1/8 La 2 - x Ba x CuO 4 $\rm La_{2-x}Ba_{x}CuO_{4}$ (LBCO) single crystals. These structures are low temperature tetragonal (LTT), low temperature less orthorhombic (LTLO), and a plastically deformed nano-domain structure (PDNS), comprised of few-nanometer-sized orthorhombic domains within an amorphous matrix. These three structures exhibit distinct superconducting behaviors. The volume fraction of the LTT structure is suppressed with increasing strain, while its superconducting transition temperature increases and broadens. The LTLO structure exhibits a sharp superconducting transition above 32 K, which increases up to ≈ 36 K at maximum strain. The PDNS phase exhibits a very broad superconducting transition and persists even after removing the strain. This study illustrates the sensitivity of superconductivity to the structure of the LBCO sample near its stripe instability
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|a Journal Article
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|a phase separation
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|a unconventional superconductor
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|a uniaxial strain
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|a Nikbin, Ehsan
|e verfasserin
|4 aut
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|a Johnstone, Graham
|e verfasserin
|4 aut
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|a Shi, Ze
|e verfasserin
|4 aut
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|a Heath, Christopher
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|4 aut
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|a Appathurai, Narayan
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|a Moreno, Beatriz Diaz
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|4 aut
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|a Rahemtulla, Al
|e verfasserin
|4 aut
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|a Gu, G D
|e verfasserin
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|a Tranquada, John M
|e verfasserin
|4 aut
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|a Howe, Jane Y
|e verfasserin
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|a Kim, Young-June
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2025) vom: 15. Sept., Seite e09308
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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|g year:2025
|g day:15
|g month:09
|g pages:e09308
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|u http://dx.doi.org/10.1002/adma.202509308
|3 Volltext
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