Uncovering the Lowest Thickness Limit for Room-Temperature Ferromagnetism of Cr1.6Te2
Metallic ferromagnetic transition metal dichalcogenides have emerged as important building blocks for scalable magnetic and memory applications. Downscaling such systems to the ultrathin limit is critical to integrate them into technology. Here, we achieved layer-by-layer control over the transition...
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| Published in | Nano letters Vol. 24; no. 25; pp. 7601 - 7608 |
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| Main Authors | , , , , , , , , , , , , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
American Chemical Society
26.06.2024
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| Subjects | |
| Online Access | Get full text |
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| Abstract | Metallic ferromagnetic transition metal dichalcogenides have emerged as important building blocks for scalable magnetic and memory applications. Downscaling such systems to the ultrathin limit is critical to integrate them into technology. Here, we achieved layer-by-layer control over the transition metal dichalcogenide Cr1.6Te2 by using pulsed laser deposition, and we uncovered the minimum critical thickness above which room-temperature magnetic order is maintained. The electronic and magnetic structures are explored experimentally and theoretically, and it is shown that the films exhibit strong in-plane magnetic anisotropy as a consequence of large spin–orbit effects. Our study elucidates both magnetic and electronic properties of Cr1.6Te2 and corroborates the importance of intercalation to tune the magnetic properties of nanoscale materials’ architectures. |
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| AbstractList | Metallic ferromagnetic transition metal dichalcogenides have emerged as important building blocks for scalable magnetic and memory applications. Downscaling such systems to the ultrathin limit is critical to integrate them into technology. Here, we achieved layer-by-layer control over the transition metal dichalcogenide Cr1.6Te2 by using pulsed laser deposition, and we uncovered the minimum critical thickness above which room-temperature magnetic order is maintained. The electronic and magnetic structures are explored experimentally and theoretically, and it is shown that the films exhibit strong in-plane magnetic anisotropy as a consequence of large spin–orbit effects. Our study elucidates both magnetic and electronic properties of Cr1.6Te2 and corroborates the importance of intercalation to tune the magnetic properties of nanoscale materials’ architectures. Metallic ferromagnetic transition metal dichalcogenides have emerged as important building blocks for scalable magnetic and memory applications. Downscaling such systems to the ultrathin limit is critical to integrate them into technology. Here, we achieved layer-by-layer control over the transition metal dichalcogenide Cr1.6Te2 by using pulsed laser deposition, and we uncovered the minimum critical thickness above which room-temperature magnetic order is maintained. The electronic and magnetic structures are explored experimentally and theoretically, and it is shown that the films exhibit strong in-plane magnetic anisotropy as a consequence of large spin-orbit effects. Our study elucidates both magnetic and electronic properties of Cr1.6Te2 and corroborates the importance of intercalation to tune the magnetic properties of nanoscale materialsu2019 architectures. Metallic ferromagnetic transition metal dichalcogenides have emerged as important building blocks for scalable magnetic and memory applications. Downscaling such systems to the ultrathin limit is critical to integrate them into technology. Here, we achieved layer-by-layer control over the transition metal dichalcogenide Cr1.6Te2 by using pulsed laser deposition, and we uncovered the minimum critical thickness above which room-temperature magnetic order is maintained. The electronic and magnetic structures are explored experimentally and theoretically, and it is shown that the films exhibit strong in-plane magnetic anisotropy as a consequence of large spin-orbit effects. Our study elucidates both magnetic and electronic properties of Cr1.6Te2 and corroborates the importance of intercalation to tune the magnetic properties of nanoscale materials' architectures.Metallic ferromagnetic transition metal dichalcogenides have emerged as important building blocks for scalable magnetic and memory applications. Downscaling such systems to the ultrathin limit is critical to integrate them into technology. Here, we achieved layer-by-layer control over the transition metal dichalcogenide Cr1.6Te2 by using pulsed laser deposition, and we uncovered the minimum critical thickness above which room-temperature magnetic order is maintained. The electronic and magnetic structures are explored experimentally and theoretically, and it is shown that the films exhibit strong in-plane magnetic anisotropy as a consequence of large spin-orbit effects. Our study elucidates both magnetic and electronic properties of Cr1.6Te2 and corroborates the importance of intercalation to tune the magnetic properties of nanoscale materials' architectures. |
| Author | Mazzola, Federico Vobornik, Ivana Orgiani, Pasquale Olsen, Thomas Motti, Federico Rossi, Giorgio Lüders, Ulrike Vinai, Giovanni Hwang, Younghun Chalil, Shyni Punathum Jana, Anupam Fujii, Jun Bigi, Chiara Polewczyk, Vincent Chaluvadi, Sandeep Kumar Mezhoud, Moussa Dagur, Deepak |
| AuthorAffiliation | Electricity and Electronics and Semiconductor Applications Dipartimento di Fisica Department of Molecular Sciences and Nanosystems Ca’ Foscari University of Venice CNR-IOM Istituto Officina dei Materiali Université deVersailles Saint-Quentin en Yvelines & CNRS CAMD, Computational Atomic-Scale Materials Design, Department of Physics Groupe d’Etude de la Matière Condensée (UMR 8635) Technical University of Denmark International Centre for Theoretical Physics (ICTP) Department of Physics Università degli studi di Milano |
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| Author_xml | – sequence: 1 givenname: Sandeep Kumar orcidid: 0000-0002-3689-3336 surname: Chaluvadi fullname: Chaluvadi, Sandeep Kumar email: chaluvadi@iom.cnr.it organization: CNR-IOM Istituto Officina dei Materiali – sequence: 2 givenname: Shyni Punathum surname: Chalil fullname: Chalil, Shyni Punathum organization: International Centre for Theoretical Physics (ICTP) – sequence: 3 givenname: Anupam surname: Jana fullname: Jana, Anupam organization: International Centre for Theoretical Physics (ICTP) – sequence: 4 givenname: Deepak surname: Dagur fullname: Dagur, Deepak organization: Department of Physics – sequence: 5 givenname: Giovanni orcidid: 0000-0003-4882-663X surname: Vinai fullname: Vinai, Giovanni organization: CNR-IOM Istituto Officina dei Materiali – sequence: 6 givenname: Federico surname: Motti fullname: Motti, Federico organization: CNR-IOM Istituto Officina dei Materiali – sequence: 7 givenname: Jun orcidid: 0000-0003-3208-802X surname: Fujii fullname: Fujii, Jun organization: CNR-IOM Istituto Officina dei Materiali – sequence: 8 givenname: Moussa surname: Mezhoud fullname: Mezhoud, Moussa – sequence: 9 givenname: Ulrike orcidid: 0000-0002-5766-8031 surname: Lüders fullname: Lüders, Ulrike – sequence: 10 givenname: Vincent surname: Polewczyk fullname: Polewczyk, Vincent organization: Université deVersailles Saint-Quentin en Yvelines & CNRS – sequence: 11 givenname: Ivana orcidid: 0000-0001-9957-3535 surname: Vobornik fullname: Vobornik, Ivana organization: CNR-IOM Istituto Officina dei Materiali – sequence: 12 givenname: Giorgio orcidid: 0000-0002-9330-7436 surname: Rossi fullname: Rossi, Giorgio organization: Università degli studi di Milano – sequence: 13 givenname: Chiara orcidid: 0000-0003-0977-3993 surname: Bigi fullname: Bigi, Chiara – sequence: 14 givenname: Younghun surname: Hwang fullname: Hwang, Younghun email: younghh@uc.ac.kr organization: Electricity and Electronics and Semiconductor Applications – sequence: 15 givenname: Thomas surname: Olsen fullname: Olsen, Thomas email: tolsen@fysik.dtu.dk organization: Technical University of Denmark – sequence: 16 givenname: Pasquale orcidid: 0000-0002-1082-9651 surname: Orgiani fullname: Orgiani, Pasquale email: pasquale.orgiani@cnr.it organization: CNR-IOM Istituto Officina dei Materiali – sequence: 17 givenname: Federico orcidid: 0000-0002-5380-4374 surname: Mazzola fullname: Mazzola, Federico email: federico.mazzola@unive.it organization: Ca’ Foscari University of Venice |
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| Keywords | room-temperature ferromagnetism chromium telluride thin-film growth pulsed laser deposition (PLD) two-dimensional magnetism |
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| Title | Uncovering the Lowest Thickness Limit for Room-Temperature Ferromagnetism of Cr1.6Te2 |
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