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Terahertz Emission Spectroscopy of Exchange-Biased Spintronic Heterostructures: Single- and Double-Pump Techniques

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Terahertz Emission Spectroscopy of Exchange-Biased Spintronic Heterostructures: Single- and Double-Pump Techniques. / Saito, Yuichi; Kholid, Farhan N.; Karashtin, Evgeny et al.
In: Physical Review Applied, Vol. 19, No. 6, 064040, 30.06.2023.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Saito, Y, Kholid, FN, Karashtin, E, Pashenkin, I & Mikhaylovskiy, RV 2023, 'Terahertz Emission Spectroscopy of Exchange-Biased Spintronic Heterostructures: Single- and Double-Pump Techniques', Physical Review Applied, vol. 19, no. 6, 064040. https://doi.org/10.1103/PhysRevApplied.19.064040

APA

Saito, Y., Kholid, F. N., Karashtin, E., Pashenkin, I., & Mikhaylovskiy, R. V. (2023). Terahertz Emission Spectroscopy of Exchange-Biased Spintronic Heterostructures: Single- and Double-Pump Techniques. Physical Review Applied, 19(6), Article 064040. https://doi.org/10.1103/PhysRevApplied.19.064040

Vancouver

Saito Y, Kholid FN, Karashtin E, Pashenkin I, Mikhaylovskiy RV. Terahertz Emission Spectroscopy of Exchange-Biased Spintronic Heterostructures: Single- and Double-Pump Techniques. Physical Review Applied. 2023 Jun 30;19(6):064040. Epub 2023 Jun 13. doi: 10.1103/PhysRevApplied.19.064040

Author

Saito, Yuichi ; Kholid, Farhan N. ; Karashtin, Evgeny et al. / Terahertz Emission Spectroscopy of Exchange-Biased Spintronic Heterostructures : Single- and Double-Pump Techniques. In: Physical Review Applied. 2023 ; Vol. 19, No. 6.

Bibtex

@article{9616e5899f31459791e3c0b486ffd571,
title = "Terahertz Emission Spectroscopy of Exchange-Biased Spintronic Heterostructures: Single- and Double-Pump Techniques",
abstract = "We show that terahertz (THz) emission spectroscopy is a method to probe the in-plane magnetic state in spintronic heterostructures with exchange bias between the constituent antiferromagnetic and ferromagnetic layers. We demonstrate that the intense laser excitation can switch and reversibly reset the direction of the pinning axis arising from the exchange bias in technologically relevant tunnel magnetoresistance elements. By applying the double-pump THz emission spectroscopy, we reveal that this switching exhibits a threshold character in the pump intensity.",
keywords = "General Physics and Astronomy",
author = "Yuichi Saito and Kholid, {Farhan N.} and Evgeny Karashtin and Igor Pashenkin and Mikhaylovskiy, {Rostislav V.}",
year = "2023",
month = jun,
day = "30",
doi = "10.1103/PhysRevApplied.19.064040",
language = "English",
volume = "19",
journal = "Physical Review Applied",
issn = "2331-7019",
publisher = "American Physical Society",
number = "6",

}

RIS

TY - JOUR

T1 - Terahertz Emission Spectroscopy of Exchange-Biased Spintronic Heterostructures

T2 - Single- and Double-Pump Techniques

AU - Saito, Yuichi

AU - Kholid, Farhan N.

AU - Karashtin, Evgeny

AU - Pashenkin, Igor

AU - Mikhaylovskiy, Rostislav V.

PY - 2023/6/30

Y1 - 2023/6/30

N2 - We show that terahertz (THz) emission spectroscopy is a method to probe the in-plane magnetic state in spintronic heterostructures with exchange bias between the constituent antiferromagnetic and ferromagnetic layers. We demonstrate that the intense laser excitation can switch and reversibly reset the direction of the pinning axis arising from the exchange bias in technologically relevant tunnel magnetoresistance elements. By applying the double-pump THz emission spectroscopy, we reveal that this switching exhibits a threshold character in the pump intensity.

AB - We show that terahertz (THz) emission spectroscopy is a method to probe the in-plane magnetic state in spintronic heterostructures with exchange bias between the constituent antiferromagnetic and ferromagnetic layers. We demonstrate that the intense laser excitation can switch and reversibly reset the direction of the pinning axis arising from the exchange bias in technologically relevant tunnel magnetoresistance elements. By applying the double-pump THz emission spectroscopy, we reveal that this switching exhibits a threshold character in the pump intensity.

KW - General Physics and Astronomy

U2 - 10.1103/PhysRevApplied.19.064040

DO - 10.1103/PhysRevApplied.19.064040

M3 - Journal article

VL - 19

JO - Physical Review Applied

JF - Physical Review Applied

SN - 2331-7019

IS - 6

M1 - 064040

ER -