Magnetic and structural properties of CoFeB thin films grown by pulsed laser deposition

The emergence of thin film CoFeB has driven research and industrial applications in the past decades, with the magnetic random access memory (MRAM) the most prominent example. Because of its beneficial properties, it fulfills multiple functionalities as information-storing, spin-filtering, and refer...

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Main Authors:	Geet Awana, Chris Cox, Guru Venkat, Kelly Morrison, Zhaoxia Zhou, Dirk Backes
Format:	Default Article
Published:	2020
Subjects:	Magnetic materials Cobalt iron boron Pulsed-laser deposition Ferromagnetic resonance
Online Access:	https://hdl.handle.net/2134/13229027.v1
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id	rr-article-13229027
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spelling	rr-article-132290272020-10-23T00:00:00Z Magnetic and structural properties of CoFeB thin films grown by pulsed laser deposition Geet Awana (4410364) Chris Cox (4482685) Guru Venkat (4845289) Kelly Morrison (1225077) Zhaoxia Zhou (1255245) Dirk Backes (2940741) Magnetic materials Cobalt iron boron Pulsed-laser deposition Ferromagnetic resonance The emergence of thin film CoFeB has driven research and industrial applications in the past decades, with the magnetic random access memory (MRAM) the most prominent example. Because of its beneficial properties, it fulfills multiple functionalities as information-storing, spin-filtering, and reference layer in magnetic tunnel junctions. In future, this versatility can be exploited beyond the traditional applications of spintronics by combining with advanced materials, such as oxide-based materials. Pulsed laser deposition (PLD) is their predominant growth-method, and thus the compatibility of CoFeB with this growth technique will be tested here. This encompasses a comprehensive investigation of the structural and magnetic propoperties. In particular, we find a substantial 'dead' magnetic layer and confirm that it is caused by oxidation employing the x-ray magnetic circular dichroism (XMCD) effect. The low damping encountered in vector network analyzer-based ferromagnetic resonance (VNA-FMR) renders them suitable for magnonics applications. These findings demonstrate that CoFeB thin films are compatible with emergent, PLD-grown materials, ensuring their relevance for future applications. 2020-10-23T00:00:00Z Text Journal contribution 2134/13229027.v1 https://figshare.com/articles/journal_contribution/Magnetic_and_structural_properties_of_CoFeB_thin_films_grown_by_pulsed_laser_deposition/13229027 CC BY 4.0
institution	Loughborough University
collection	Figshare
topic	Magnetic materials Cobalt iron boron Pulsed-laser deposition Ferromagnetic resonance
spellingShingle	Magnetic materials Cobalt iron boron Pulsed-laser deposition Ferromagnetic resonance Geet Awana Chris Cox Guru Venkat Kelly Morrison Zhaoxia Zhou Dirk Backes Magnetic and structural properties of CoFeB thin films grown by pulsed laser deposition
description	The emergence of thin film CoFeB has driven research and industrial applications in the past decades, with the magnetic random access memory (MRAM) the most prominent example. Because of its beneficial properties, it fulfills multiple functionalities as information-storing, spin-filtering, and reference layer in magnetic tunnel junctions. In future, this versatility can be exploited beyond the traditional applications of spintronics by combining with advanced materials, such as oxide-based materials. Pulsed laser deposition (PLD) is their predominant growth-method, and thus the compatibility of CoFeB with this growth technique will be tested here. This encompasses a comprehensive investigation of the structural and magnetic propoperties. In particular, we find a substantial 'dead' magnetic layer and confirm that it is caused by oxidation employing the x-ray magnetic circular dichroism (XMCD) effect. The low damping encountered in vector network analyzer-based ferromagnetic resonance (VNA-FMR) renders them suitable for magnonics applications. These findings demonstrate that CoFeB thin films are compatible with emergent, PLD-grown materials, ensuring their relevance for future applications.
format	Default Article
author	Geet Awana Chris Cox Guru Venkat Kelly Morrison Zhaoxia Zhou Dirk Backes
author_facet	Geet Awana Chris Cox Guru Venkat Kelly Morrison Zhaoxia Zhou Dirk Backes
author_sort	Geet Awana (4410364)
title	Magnetic and structural properties of CoFeB thin films grown by pulsed laser deposition
title_short	Magnetic and structural properties of CoFeB thin films grown by pulsed laser deposition
title_full	Magnetic and structural properties of CoFeB thin films grown by pulsed laser deposition
title_fullStr	Magnetic and structural properties of CoFeB thin films grown by pulsed laser deposition
title_full_unstemmed	Magnetic and structural properties of CoFeB thin films grown by pulsed laser deposition
title_sort	magnetic and structural properties of cofeb thin films grown by pulsed laser deposition
publishDate	2020
url	https://hdl.handle.net/2134/13229027.v1
_version_	1796734123855839232

Magnetic and structural properties of CoFeB thin films grown by pulsed laser deposition

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