Results 131 to 140 of about 92,951 (162)

Ultrafast thermo-optical control of spins in a 2D van der Waals semiconductor. [PDF]

Nat Commun
Da Browski M, Haldar S, Khan S, Keatley PS, Sagkovits D, Xue Z, Freeman C, Verzhbitskiy I, Griepe T, Atxitia U, Eda G, Kurebayashi H, Santos EJG, Hicken RJ.   +13 more
europepmc   +1 more source

Ultrafast multi-level control of sub-50 nm skyrmions in a Pd-intercalated van der Waals magnet. [PDF]

Nat Commun
Zhang H, Ding B, Zhao B, Pei K, Hu Y, Zhang R, Su R, Zheng M, Li Z, Zhou Q, Zhao G, Gao X, Hu Y, Jiang X, Zhao J, Che R, Fu X, Hou Z, Liu J.   +18 more
europepmc   +1 more source

Manipulation of ferromagnetism with a light-driven nonlinear Edelstein-Zeeman field. [PDF]

Nat Commun
Lv Y, Meese WJ, Murzabekova A, Freedberg J, Lee C, Sun Y, Wakefield J, Kurumaji T, Checkelsky J, Mahmood F.   +9 more
europepmc   +1 more source

Observation of angular momentum transfer among crystal lattice modes. [PDF]

Nat Phys
Minakova O, Paiva C, Frenzel M, Spencer MS, Urban JM, Ringkamp C, Wolf M, Mussler G, Juraschek DM, Maehrlein SF.   +9 more
europepmc   +1 more source

Femtosecond charge and spin dynamics in a Co₅₀Pt₅₀ alloy. [PDF]

Struct Dyn
Pavelka M, Marotzke S, Wang RP, Elhanoty MF, Brenner G, Dziarzhytski S, Jana S, Engel WD, V Korff Schmising C, Gupta D, Vaskivskyi I, Amrhein T, Thielemann-Kühn N, Weinelt M, Knut R, Rönsch-Schulenberg J, Schneidmiller E, Schüßler-Langeheine C, Beye M, Pontius N, Grånäs O, Dürr HA.   +21 more
europepmc   +1 more source

Ultrafast magnetization induced by linearly polarized pulses is widespread in nonmagnetic semiconductors

Zhu X, Qiao J, Marzari N, Calandra M.
europepmc   +1 more source

Ultrafast spin transport as key to femtosecond demagnetization

Nature Materials, 2013
Irradiating a ferromagnet with a femtosecond laser pulse is known to induce an ultrafast demagnetization within a few hundred femtoseconds. Here we demonstrate that direct laser irradiation is in fact not essential for ultrafast demagnetization, and that electron cascades caused by hot electron currents accomplish it very efficiently.
A. Eschenlohr, M. Battiato, P. Maldonado, N. Pontius, T. Kachel, K. Holldack, R. Mitzner, A. Föhlisch, P. M. Oppeneer, C. Stamm   +9 more
openaire   +4 more sources

Ultrafast Demagnetization Mechanism in Half-Metallic Heusler Alloy Thin Films Controlled by the Fermi Level

Physical Review B, 2020
The electronic band structure-controlled ultrafast demagnetization mechanism in Co2FexMn1-xSi Heusler alloy is underpinned by systematic variation of composition.
Anjan Barman, Santanu Pan, Takeshi SEKI
exaly   +2 more sources

Element-Resolved Evidence of Superdiffusive Spin Current Arising From Ultrafast Demagnetization Process

Physical Review B, 2023
Using element-specific measurements of the ultrafast demagnetization of Ru/Fe$_{65}$Co$_{35}$ hetero-structures, we show that Ru can exhibit a significant magnetic contrast (3% asymmetry) resulting from ultrafast spin currents emanating from the ...
Rahul Gupta, Susmita Saha, Peter Svedlindh   +2 more
exaly   +2 more sources

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Magnetic entropy dynamics in ultrafast demagnetization

Journal of Physics: Condensed Matter, 2020
Abstract A double polarization and temperature modulation configuration was applied to measure the magnetization and magnetic entropy dynamics in ultrafast demagnetization. Two magnetic properties, obtained by subtracting measurements made at opposite fields, have the same onset at small delays and different relaxations at large ...
S Goharshenasanesfahani, S Smadici
openaire   +2 more sources