Unraveling Ultrafast Demagnetization Dynamics in Nickel Film Using 3TM and m3TM Model

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This is a Experimental Study study.

Debkanta Ghosh; Chitra Dolai; Shailab Singh Bodra; B.B. Nayak; Prasana K. Sahoo; Prasanta Kumar Datta

doi:10.1364/cleo_at.2025.jps100_166

January 1, 2025

Unraveling Ultrafast Demagnetization Dynamics in Nickel Film Using 3TM and m3TM Model

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Key Points

Sub-picosecond quenching occurs during ultrafast demagnetization in Ni thin film, showcasing rapid spin dynamics.
Using TR-MOKE, the study identifies substrate effects that significantly influence femtosecond magnetization recovery.
Both 3TM and m3TM frameworks successfully model the observed ultrafast dynamics in the nickel film.
Findings enhance understanding of magnetic material behavior on ultrafast timescales and could influence future technologies.

Implication

Experimental analysis of ultrafast demagnetization in Ni thin film reveals rapid spin-flip processes, indicating substrate effects on recovery.

Abstract

Ultrafast demagnetization dynamics in 10 nm Ni thin film is studied experimentally using TR-MOKE within 3TM and m3TM frameworks. Results reveal sub-picosecond quenching driven by spin-flip scattering, with substrate effects influencing femtosecond magnetization recovery processes.

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Cite This Study

Ghosh et al. (2025) studied this question.

synapsesocial.com/papers/68d466be31b076d99fa65bdb https://doi.org/10.1364/cleo_at.2025.jps100_166

View Full Paper

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Unraveling Ultrafast Demagnetization Dynamics in Nickel Film Using 3TM and m3TM Model

Key Points

Implication

Abstract

Discussion

Cite This Study

Unraveling Ultrafast Demagnetization Dynamics in Nickel Film Using 3TM and m3TM Model

Key Points

Implication

Abstract

Discussion

Cite This Study

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