Demonstration of high-throughput magnetic hysteresis measurements based on spintronic THz emission

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Author(s)DeCamp, M. F.
Author(s)Bhatt, S.
Author(s)Hossain, M. T.
Author(s)Wu, W.
Author(s)Jungfleisch, M. B.
Date Accessioned2024-03-08T17:45:44Z
Date Available2024-03-08T17:45:44Z
Publication Date2023-12-21
DescriptionThis article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in M. F. DeCamp, S. Bhatt, M. T. Hossain, W. Wu, M. B. Jungfleisch; Demonstration of high-throughput magnetic hysteresis measurements based on spintronic THz emission. J. Appl. Phys. 21 December 2023; 134 (23): 233901. https://doi.org/10.1063/5.0165081 and may be found at https://doi.org/10.1063/5.0165081. © 2023 Author(s). Published under an exclusive license by AIP Publishing. This article will be embargoed until 12/21/2024.
AbstractSpintronic terahertz (THz) emitters have been shown to be a cost-efficient source for use in time-domain THz spectroscopy. The use of external magnetic fields to control the polarity of the THz emission provides an opportunity to measure the magnetization of spintronic materials as well as shaping THz emission. Here, we demonstrate an efficient method of measuring magnetic hysteresis with material sensitivity and speed several orders of magnitude greater than typical magnetometry methods. In addition, we utilize the rapid control of material magnetization for lock-in detection in time-domain THz spectroscopy of spintronic emitters. The ability to rapidly control and measure the material magnetization on very small volumes provides an opportunity to study magnetic hetero-structures with sub-micron spatial resolution.
SponsorM.F.D. would like to thank Anna Stein for technical assistance. M.B.J. acknowledges support by NSF through the University of Delaware Materials Research Science and Engineering Center, Grant No. DMR-2011824.
CitationM. F. DeCamp, S. Bhatt, M. T. Hossain, W. Wu, M. B. Jungfleisch; Demonstration of high-throughput magnetic hysteresis measurements based on spintronic THz emission. J. Appl. Phys. 21 December 2023; 134 (23): 233901. https://doi.org/10.1063/5.0165081
ISSN1089-7550
URLhttps://udspace.udel.edu/handle/19716/34151
Languageen_US
PublisherJournal of Applied Physics
Keywordsterahertz radiation
Keywordsmagnetic hysteresis
Keywordsmagnetic materials
Keywordsterahertz spectroscopy
Keywordsthin films
TitleDemonstration of high-throughput magnetic hysteresis measurements based on spintronic THz emission
TypeArticle
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