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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202000566
|2 doi
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|a pubmed24n1032.xml
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|a (DE-627)NLM309734002
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|a (NLM)32390212
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Serri, Michele
|e verfasserin
|4 aut
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|a Enhancement of the Magnetic Coupling in Exfoliated CrCl3 Crystals Observed by Low-Temperature Magnetic Force Microscopy and X-ray Magnetic Circular Dichroism
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|c 2020
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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 30.09.2020
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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 Verlag GmbH & Co. KGaA, Weinheim.
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|a Magnetic crystals formed by 2D layers interacting by weak van der Waals forces are currently a hot research topic. When these crystals are thinned to nanometric size, they can manifest strikingly different magnetic behavior compared to the bulk form. This can be the result of, for example, quantum electronic confinement effects, the presence of defects, or pinning of the crystallographic structure in metastable phases induced by the exfoliation process. In this work, an investigation of the magnetism of micromechanically cleaved CrCl3 flakes with thickness >10 nm is performed. These flakes are characterized by superconducting quantum interference device magnetometry, surface-sensitive X-ray magnetic circular dichroism, and spatially resolved magnetic force microscopy. The results highlight an enhancement of the CrCl3 antiferromagnetic interlayer interaction that appears to be independent of the flake size when the thickness is tens of nanometers. The estimated exchange field is 9 kOe, representing an increase of ≈900% compared to the one of the bulk crystals. This effect can be attributed to the pinning of the high-temperature monoclinic structure, as recently suggested by polarized Raman spectroscopy investigations in thin (8-35 nm) CrCl3 flakes
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|a Journal Article
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|a honeycomb lattices
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|a magnetic force microscopy (MFM)
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|a magnetism
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|a spintronics
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4 |
|a van der Waals forces
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|a Cucinotta, Giuseppe
|e verfasserin
|4 aut
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|a Poggini, Lorenzo
|e verfasserin
|4 aut
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|a Serrano, Giulia
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|4 aut
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|a Sainctavit, Philippe
|e verfasserin
|4 aut
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|a Strychalska-Nowak, Judyta
|e verfasserin
|4 aut
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|a Politano, Antonio
|e verfasserin
|4 aut
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|a Bonaccorso, Francesco
|e verfasserin
|4 aut
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1 |
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|a Caneschi, Andrea
|e verfasserin
|4 aut
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1 |
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|a Cava, Robert J
|e verfasserin
|4 aut
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1 |
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|a Sessoli, Roberta
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|4 aut
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|a Ottaviano, Luca
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|4 aut
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|a Klimczuk, Tomasz
|e verfasserin
|4 aut
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|a Pellegrini, Vittorio
|e verfasserin
|4 aut
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|a Mannini, Matteo
|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 32(2020), 24 vom: 20. Juni, Seite e2000566
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:32
|g year:2020
|g number:24
|g day:20
|g month:06
|g pages:e2000566
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|u http://dx.doi.org/10.1002/adma.202000566
|3 Volltext
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|h e2000566
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