Detecting halfmetallic electronic structures of spintronic materials in a magnetic field

Abstract Band-gap engineering is one of the fundamental techniques in semiconductor technology and also applicable in next generation spintronics using the spin degree of freedom. To fully utilize the spintronic materials, it is essential to optimize the spin-dependent electronic structures in the o...

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Autores principales:	H. Fujiwara, R. Y. Umetsu, F. Kuroda, J. Miyawaki, T. Kashiuchi, K. Nishimoto, K. Nagai, A. Sekiyama, A. Irizawa, Y. Takeda, Y. Saitoh, T. Oguchi, Y. Harada, S. Suga
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d4e51d0747f44c4cbf723064e474b5ea
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spelling	oai:doaj.org-article:d4e51d0747f44c4cbf723064e474b5ea2021-12-02T17:26:55ZDetecting halfmetallic electronic structures of spintronic materials in a magnetic field10.1038/s41598-021-97992-z2045-2322https://doaj.org/article/d4e51d0747f44c4cbf723064e474b5ea2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97992-zhttps://doaj.org/toc/2045-2322Abstract Band-gap engineering is one of the fundamental techniques in semiconductor technology and also applicable in next generation spintronics using the spin degree of freedom. To fully utilize the spintronic materials, it is essential to optimize the spin-dependent electronic structures in the operando conditions by applying magnetic and/or electric fields. Here we present an advanced spectroscopic technique to probe the spin-polarized electronic structures by using magnetic circular dichroism (MCD) in resonant inelastic soft X-ray scattering (RIXS) under an external magnetic field. Thanks to the spin-selective dipole-allowed transitions in RIXS-MCD, we have successfully demonstrated the direct evidence of the perfectly spin-polarized electronic structures for the prototypical halfmetallic Heusller alloy $$\hbox {Co}_2\hbox {MnSi}$$ Co 2 MnSi . RIXS-MCD is a promising tool to probe the spin-dependent carriers and band-gap induced in the buried magnetic layers in an element specific way under the operando conditions.H. FujiwaraR. Y. UmetsuF. KurodaJ. MiyawakiT. KashiuchiK. NishimotoK. NagaiA. SekiyamaA. IrizawaY. TakedaY. SaitohT. OguchiY. HaradaS. SugaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q H. Fujiwara R. Y. Umetsu F. Kuroda J. Miyawaki T. Kashiuchi K. Nishimoto K. Nagai A. Sekiyama A. Irizawa Y. Takeda Y. Saitoh T. Oguchi Y. Harada S. Suga Detecting halfmetallic electronic structures of spintronic materials in a magnetic field
description	Abstract Band-gap engineering is one of the fundamental techniques in semiconductor technology and also applicable in next generation spintronics using the spin degree of freedom. To fully utilize the spintronic materials, it is essential to optimize the spin-dependent electronic structures in the operando conditions by applying magnetic and/or electric fields. Here we present an advanced spectroscopic technique to probe the spin-polarized electronic structures by using magnetic circular dichroism (MCD) in resonant inelastic soft X-ray scattering (RIXS) under an external magnetic field. Thanks to the spin-selective dipole-allowed transitions in RIXS-MCD, we have successfully demonstrated the direct evidence of the perfectly spin-polarized electronic structures for the prototypical halfmetallic Heusller alloy $$\hbox {Co}_2\hbox {MnSi}$$ Co 2 MnSi . RIXS-MCD is a promising tool to probe the spin-dependent carriers and band-gap induced in the buried magnetic layers in an element specific way under the operando conditions.
format	article
author	H. Fujiwara R. Y. Umetsu F. Kuroda J. Miyawaki T. Kashiuchi K. Nishimoto K. Nagai A. Sekiyama A. Irizawa Y. Takeda Y. Saitoh T. Oguchi Y. Harada S. Suga
author_facet	H. Fujiwara R. Y. Umetsu F. Kuroda J. Miyawaki T. Kashiuchi K. Nishimoto K. Nagai A. Sekiyama A. Irizawa Y. Takeda Y. Saitoh T. Oguchi Y. Harada S. Suga
author_sort	H. Fujiwara
title	Detecting halfmetallic electronic structures of spintronic materials in a magnetic field
title_short	Detecting halfmetallic electronic structures of spintronic materials in a magnetic field
title_full	Detecting halfmetallic electronic structures of spintronic materials in a magnetic field
title_fullStr	Detecting halfmetallic electronic structures of spintronic materials in a magnetic field
title_full_unstemmed	Detecting halfmetallic electronic structures of spintronic materials in a magnetic field
title_sort	detecting halfmetallic electronic structures of spintronic materials in a magnetic field
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d4e51d0747f44c4cbf723064e474b5ea
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Detecting halfmetallic electronic structures of spintronic materials in a magnetic field

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