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dc.contributor.author
Mondal, Sucheta  
dc.contributor.author
Polley, Debanjan  
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Pattabi, Akshay  
dc.contributor.author
Chatterjee, Jyotirmoy  
dc.contributor.author
Salomoni, David  
dc.contributor.author
Aviles Felix, Luis Steven  
dc.contributor.author
Olivier, Aurélien  
dc.contributor.author
Rubio Roy, Miguel  
dc.contributor.author
Diény, Bernard  
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Prejbeanu, Liliana Daniela Buda  
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Sousa, Ricardo  
dc.contributor.author
Prejbeanu, Ioan Lucian  
dc.contributor.author
Bokor, Jeffrey  
dc.date.available
2024-02-27T14:56:14Z  
dc.date.issued
2023-09  
dc.identifier.citation
Mondal, Sucheta; Polley, Debanjan; Pattabi, Akshay; Chatterjee, Jyotirmoy; Salomoni, David; et al.; Single-shot switching in Tb/Co-multilayer based nanoscale magnetic tunnel junctions; Elsevier Science; Journal of Magnetism and Magnetic Materials; 581; 170960; 9-2023; 1-7  
dc.identifier.issn
0304-8853  
dc.identifier.uri
http://hdl.handle.net/11336/228622  
dc.description.abstract
Magnetic tunnel junctions (MTJs) are elementary units of magnetic memory devices. For high-speed and lowpower data storage and processing applications, fast reversal of the magnetization by an ultrashort laser pulse is extremely important. We demonstrate single-shot switching of Tb/Co-multilayer based nanoscale MTJs by combining the optical writing and the electrical read-out methods. A 90-fs-long laser pulse switches the magnetization of the storage layer (SL). The change in the tunneling magnetoresistance (TMR) between the SL and a reference layer (RL) is probed electrically across the oxide barrier. Single-shot switching is demonstrated by varying the cell diameter from 300 nm to 20 nm. The anisotropy, magnetostatic coupling, and switching probability exhibit cell-size dependence. By suitable association of laser fluence and magnetic field, successive commutation between high-resistance and low-resistance states is achieved. The nature of the magnetization reversal of both SL and RL in a continuous film is probed with a depth-resolved magneto-optical Kerr effect (MOKE) magnetometry. The ultrafast dynamics in the continuous full-MTJ stack is investigated with the timeresolved pump–probe technique. Our experimental findings provide strong support for the growing interest in ultrafast spintronic devices.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Elsevier Science  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
FERRIMAGNET  
dc.subject
MAGNETIC MULTILAYER  
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MAGNETO-OPTICAL KERR EFFECT  
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NANOSCALE MTJ  
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OPTICAL SWITCHING  
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TMR  
dc.subject.classification
Física de los Materiales Condensados  
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Ciencias Físicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Single-shot switching in Tb/Co-multilayer based nanoscale magnetic tunnel junctions  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2024-02-26T15:58:50Z  
dc.journal.volume
581  
dc.journal.number
170960  
dc.journal.pagination
1-7  
dc.journal.pais
Países Bajos  
dc.journal.ciudad
Amsterdam  
dc.description.fil
Fil: Mondal, Sucheta. University of California; Estados Unidos  
dc.description.fil
Fil: Polley, Debanjan. University of California; Estados Unidos. Lawrence Berkeley National Laboratory; Estados Unidos  
dc.description.fil
Fil: Pattabi, Akshay. University of California; Estados Unidos  
dc.description.fil
Fil: Chatterjee, Jyotirmoy. University of California; Estados Unidos  
dc.description.fil
Fil: Salomoni, David. Centre National de la Recherche Scientifique; Francia. Universite Grenoble Alpes; Francia  
dc.description.fil
Fil: Aviles Felix, Luis Steven. Centre National de la Recherche Scientifique; Francia. Universite Grenoble Alpes; Francia. Comisión Nacional de Energía Atómica. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. - Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología; Argentina  
dc.description.fil
Fil: Olivier, Aurélien. Universite Grenoble Alpes; Francia. Centre National de la Recherche Scientifique; Francia  
dc.description.fil
Fil: Rubio Roy, Miguel. Universite Grenoble Alpes; Francia. Centre National de la Recherche Scientifique; Francia  
dc.description.fil
Fil: Diény, Bernard. Universite Grenoble Alpes; Francia. Centre National de la Recherche Scientifique; Francia  
dc.description.fil
Fil: Prejbeanu, Liliana Daniela Buda. Universite Grenoble Alpes; Francia. Centre National de la Recherche Scientifique; Francia  
dc.description.fil
Fil: Sousa, Ricardo. Universite Grenoble Alpes; Francia. Centre National de la Recherche Scientifique; Francia  
dc.description.fil
Fil: Prejbeanu, Ioan Lucian. Universite Grenoble Alpes; Francia. Centre National de la Recherche Scientifique; Francia  
dc.description.fil
Fil: Bokor, Jeffrey. Lawrence Berkeley National Laboratory; Estados Unidos. University of California; Estados Unidos  
dc.journal.title
Journal of Magnetism and Magnetic Materials  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jmmm.2023.170960  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0304885323006108