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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202211409
|2 doi
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|a pubmed24n1177.xml
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|a (DE-627)NLM353145114
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|a (NLM)36808146
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Bi, Xiangyu
|e verfasserin
|4 aut
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|a A Superconducting Micro-Magnetometer for Quantum Vortex in Superconducting Nanoflakes
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 11.05.2023
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|a Date Revised 11.05.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Superconducting quantum interferometer device (SQUID) plays a key role in understanding electromagnetic properties and emergent phenomena in quantum materials. The technological appeal of SQUID is that its detection accuracy for the electromagnetic signal can precisely reach the quantum level of a single magnetic flux. However, conventional SQUID techniques normally can only be applied to a bulky sample and do not have the capability to probe the magnetic properties of micro-scale samples with small magnetic signals. Herein, it is demonstrated that, based on a specially designed superconducting nano-hole array, the contactless detection of magnetic properties and quantized vortices in micro-sized superconducting nanoflakes is realized. An anomalous hysteresis loop and a suppression of Little-Parks oscillation are observed in the detected magnetoresistance signal, which originates from the disordered distribution of the pinned vortices in Bi2 Sr2 CaCu2 O8+δ . Therefore, the density of pinning centers of the quantized vortices on such micro-sized superconducting samples can be quantitatively evaluated, which is technically inaccessible for conventional SQUID detection. The superconducting micro-magnetometer provides a new approach to exploring mesoscopic electromagnetic phenomena of quantum materials
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|a Journal Article
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|a Bi2Sr2CaCu2O8
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|a Little-Parks oscillation
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|a superconducting quantum interferometer devices
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|a superconductivity
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|a vortex pinning
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|a Tian, Feifan
|e verfasserin
|4 aut
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|a Chen, Ganyu
|e verfasserin
|4 aut
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|a Li, Zeya
|e verfasserin
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|a Qin, Feng
|e verfasserin
|4 aut
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|a Lv, Yang-Yang
|e verfasserin
|4 aut
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|a Huang, Junwei
|e verfasserin
|4 aut
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|a Qiu, Caiyu
|e verfasserin
|4 aut
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|a Ao, Lingyi
|e verfasserin
|4 aut
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|a Chen, Yanbin
|e verfasserin
|4 aut
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|a Gu, Genda
|e verfasserin
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|a Chen, Yanfeng
|e verfasserin
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|a Yuan, Hongtao
|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 35(2023), 19 vom: 18. Mai, Seite e2211409
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:19
|g day:18
|g month:05
|g pages:e2211409
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|u http://dx.doi.org/10.1002/adma.202211409
|3 Volltext
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