Polarized phonons elevate angular momentum in ultrafast demagnetization
Beaurepaire, E., Merle, J. C., Daunois, A. & Bigot, J. Y. Ultrafast spin dynamics in ferromagnetic nickel. Phys. Rev. Lett. 76, 4250–4253 (1996).
Koopmans, B. et al. Explaining the paradoxical range of ultrafast laser-induced demagnetization. Nat. Mater. 9, 259–265 (2010).
Wietstruk, M. et al. Scorching-electron-driven enhancement of spin-lattice coupling in Gd and Tb 4f ferromagnets seen via femtosecond x-ray magnetic round dichroism. Phys. Rev. Lett. 106, 127401 (2011).
Graves, C. E. et al. Nanoscale spin reversal via non-local angular momentum switch following ultrafast laser excitation in ferrimagnetic GdFeCo. Nat. Mater. 12, 293–298 (2013).
von Korff Schmising, C. et al. Imaging ultrafast demagnetization dynamics after a spatially localized optical excitation. Phys. Rev. Lett. 112, 217203 (2014).
Frietsch, B. et al. Disparate ultrafast dynamics of itinerant and localized magnetic moments in gadolinium steel. Nat. Commun. 6, 8262 (2015).
Frietsch, B. et al. The position of ultrafast magnon era within the magnetization dynamics of rare-earth metals. Sci. Adv. 6, eabb1601 (2020).
Stanciu, C. D. et al. All-optical magnetic recording with circularly polarized mild. Phys. Rev. Lett. 99, 047601 (2007).
Radu, I. et al. Temporary ferromagnetic-like state mediating ultrafast reversal of antiferromagnetically coupled spins. Nature 472, 205–208 (2011).
Ostler, T. A. et al. Ultrafast heating as a enough stimulus for magnetization reversal in a ferrimagnet. Nat. Commun. 3, 666 (2012).
Wienholdt, S., Hinzke, D., Carva, Ok., Oppeneer, P. M. & Nowak, U. Orbital-resolved spin fashion for thermal magnetization switching in rare-earth-based ferrimagnets. Phys. Rev. B 88, 020406(R) (2013).
Siegrist, F. et al. Gentle-wave dynamic keep an eye on of magnetism. Nature 571, 240–244 (2019).
Malinowski, G. et al. Keep an eye on of velocity and potency of ultrafast demagnetization via direct switch of spin angular momentum. Nat. Phys. 4, 855–858 (2008).
Battiato, M., Carva, Ok. & Oppeneer, P. M. Superdiffusive spin delivery as a mechanism of ultrafast demagnetization. Phys. Rev. Lett. 105, 027203 (2010).
Melnikov, A. et al. Ultrafast delivery of laser-excited spin-polarized carriers Au/Fe/MgO(001). Phys. Rev. Lett. 107, 076601 (2011).
Rudolf, D. et al. Ultrafast magnetization enhancement in steel multilayers pushed via superdiffusive spin present. Nat. Commun. 3, 1037 (2012).
Eschenlohr, A. et al. Ultrafast spin delivery as key to femtosecond demagnetization. Nat. Mater. 12, 332–336 (2013).
Koopmans, B., Ruigrok, J. J. M., Dalla Longa, F. & De Jonge, W. J. M. Unifying ultrafast magnetization dynamics. Phys. Rev. Lett. 95, 267207 (2005).
Carva, Ok., Battiato, M. & Oppeneer, P. M. Ab initio investigation of the Elliott-Yafet electron-phonon mechanism in laser-induced ultrafast demagnetization. Phys. Rev. Lett. 107, 207201 (2011).
Los angeles-O-Vorakiat, C. et al. Ultrafast demagnetization measurements the use of excessive ultraviolet mild: Comparability of digital and magnetic contributions. Phys. Rev. 2, 011005 (2012).
Hinzke, D. et al. Multiscale modeling of ultrafast element-specific magnetization dynamics of ferromagnetic alloys. Phys. Rev. B 92, 054412 (2015).
Dornes, C. et al. The ultrafast Einstein-de Haas impact. Nature 565, 209–212 (2019).
Roth, T. et al. Temperature dependence of laser-induced demagnetization in Ni: a key for figuring out the underlying mechanism. Phys. Rev. 2, 021006 (2012).
Schellekens, A. J., Verhoeven, W., Vader, T. N., Koopmans, B. Investigating the contribution of superdiffusive delivery to ultrafast demagnetization of ferromagnetic skinny movies. Appl. Phys. Lett. 102, 252408 (2013).
Stamm, C. et al. Femtosecond amendment of electron localization and switch of angular momentum in nickel. Nat. Mater. 6, 740–743 (2007).
Maldonado, P. et al. Monitoring the ultrafast nonequilibrium power glide between digital and lattice levels of freedom in crystalline nickel. Phys. Rev. B 101, 100302 (2020).
Chen, Z. & Wang, L.-W. Function of preliminary magnetic dysfunction: a time-dependent ab initio learn about of ultrafast demagnetization mechanisms. Sci. Adv. 5, eaau8000 (2019).
Kealhofer, C. et al. All-optical keep an eye on and metrology of electron pulses. Science 352, 429–433 (2016).
Wang, X. et al. Temperature dependence of electron-phonon thermalization and its correlation to ultrafast magnetism. Phys. Rev. B 81, 220301 (2010).
Zhang, L. F. & Niu, Q. Angular momentum of phonons and the Einstein-de Haas impact. Phys. Rev. Lett. 112, 085503 (2014).
Garanin, D. A. & Chudnovsky, E. M. Angular momentum in spin-phonon processes. Phys. Rev. B 92, 024421 (2015).
Zhu, H. et al. Statement of chiral phonons. Science 359, 579–582 (2018).
Birgeneau, R. J., Cordes, J., Dolling, G. & Woods, A. D. B. Commonplace modes of vibration in nickel. Phys. Rev. A 136, 1359–1365 (1964).
Zahn, D. et al. Lattice dynamics and ultrafast power glide between electrons, spins, and phonons in a three-D ferromagnet. Phys. Rev. Res. 3, 023032 (2021).
Tengdin, P. et al. Essential habits inside 20 fs drives the out-of-equilibrium laser-induced magnetic section transition in nickel. Sci. Adv. https://doi.org/10.1126/science.aaw9486 (2018).
Hofherr, M. et al. Brought on as opposed to intrinsic magnetic moments in ultrafast magnetization dynamics. Phys. Rev. B 98, 174419 (2018).
Fechner, M. et al. Magnetophononics: ultrafast spin keep an eye on during the lattice. Phys. Rev. Mater. 2, 064401 (2018).
Disa, A. S. et al. Polarizing an antiferromagnet via optical engineering of the crystal box. Nat. Phys. 16, 937–941 (2020).
Gao, M. N., Zhang, W. & Zhang, L. F. Nondegenerate chiral phonons in graphene/hexagonal boron nitride heterostructure from first-principles calculations. Nano Lett. 18, 4424–4430 (2018).
Grissonnanche, G. et al. Chiral phonons within the pseudogap section of cuprates. Nat. Phys. 16, 1108–1111 (2020).
Hirashita, N., Kinoshita, M., Aikawa, I. & Ajioka, T. Results of floor hydrogen at the air oxidation at room temperature of HF handled Si (100) surfaces. Appl. Phys. Lett. 56, 451–453 (1990).
Mazzara, C. et al. Hydrogen-terminated Si(111) and Si(100) via rainy chemical remedy: linear and non-linear infrared spectroscopy. Surf. Sci. 427–428, 208–213 (1999).
Ji, J.-Y., Shen, T.-C. Low-temperature silicon epitaxy on hydrogen-terminated Si(001) surfaces. Phys. Rev. B 70, 115309 (2004).
Kreuzpaintner, W., Störmer, M., Lott, D., Solina, D. & Schreyer, A. Epitaxial expansion of nickel on Si(100) via dc magnetron sputtering. J. Appl. Phys. 104, 114302 (2008).
Kreuzpaintner, W., Störmer, M., Lott, D., Solina, D. & Schreyer, A. Epitaxial expansion of nickel on Si(100) via dc magnetron sputtering. J. Appl. Phys. 104, 114302 (2008).
Schmehl, A. et al. Design and realization of a sputter deposition machine for the in situ- and in operando-use in polarized neutron reflectometry experiments. Nucl. Instrum. Strategies Phys. Res. A 883, 170–182 (2018).
Jiang, H., Klemmer, T. J., Barnard, J. A. & Payzant, E. A. Epitaxial expansion of Cu on Si via magnetron sputtering. J. Vac. Sci. Technol. A 16, 3376–3383 (1998).
Chang, C.-A. Reversed magnetic anisotropy in deformed (100) Cu/Ni/Cu buildings. J. Appl. Phys. 68, 4873–4875 (1990).
Chang, C.-A. Reversal in magnetic anisotropy of (100)Cu-Ni superlattices. J. Magn. Magn. Mater. 97, 102–106 (1991).
Ye, J. et al. Design and realization of a sputter deposition machine for the in situ and in operando use in polarized neutron reflectometry experiments: novel features. Nucl. Instrum. Strategies Phys. Res. A 964, 163710 (2020).
Hull, C. M., Switzer, J. A. Electrodeposited epitaxial cu(100) on si(100) and lift-off of unmarried crystal-like Cu(100) foils. ACS Appl. Mater. Interfaces 10, 38596–38602 (2018).
Warren, B. E. X-Ray Diffraction (Dover, 1990).
Björck, M. & Andersson, G. GenX: an extensible X-ray reflectivity refinement program using differential evolution. J. Appl. Crystallogr. 40, 1174–1178 (2007).
Cemin, F. et al. Epitaxial expansion of Cu(001) skinny movies onto Si(001) the use of a single-step HiPIMS procedure. Sci. Rep. 7, 1655 (2017).
Chen, L., Andrea, L., Timalsina, Y. P., Wang, G.-C. & Lu, T.-M. Engineering epitaxial-nanospiral steel movies the use of dynamic indirect attitude deposition. Cryst. Expansion Des. 13, 2075–2080 (2013).
Seidel, M. et al. Environment friendly high-power ultrashort pulse compression in self-defocusing bulk media. Sci. Rep. 7, 1410 (2017).
Srinivasan, R., Lobastov, V. A., Ruan, C.-Y. & Zewail, A. H. Ultrafast electron diffraction (UED). Helv. Chim. Acta 86, 1761–1799 (2003).
Miller, R. J. D. Femtosecond crystallography with ultrabright electrons and x-rays: shooting chemistry in motion. Science 343, 1108–1116 (2014).
Kasmi, L., Kreier, D., Bradler, M., Riedle, E. & Baum, P. Femtosecond single-electron pulses generated via two-photon photoemission just about the paintings serve as. New J. Phys. 17, 033008 (2015).
Ehberger, D. et al. Terahertz compression of electron pulses at a planar reflect membrane. Phys. Rev. Appl. 11, 024034 (2019).
Simerska, M. The temperature dependence of the function Debye temperature of nickel. Czech. J. Phys. B 12, 858–859 (1962).
Plimpton, S. Speedy parallel algorithms for short-range molecular dynamics. J. Comput. Phys. 117, 1–19 (1995).
Foiles, S. M., Baskes, M. I. & Daw, M. S. Embedded-atom-method purposes for the fcc metals Cu, Ag, Au, Ni, Pd, Pt, and their alloys. Phys. Rev. B 33, 7983–7991 (1986).
Sandia Nationwide Laboratories LAMMPS (Huge-scale Atomic/Molecular Vastly Parallel Simulator) https://lammps.sandia.gov/doc/Intro.html (2019).
Coleman, S. P., Spearot, D. E. & Capolungo, L. Digital diffraction research of Ni [010] symmetric tilt grain limitations. Style. Simul. Mater. Sci. Eng. 21, 055020 (2013).
Danan, H., Herr, A. & Meyer, A. J. New determinations of the saturation magnetization of nickel and iron. J. Appl. Phys. 39, 669–670 (1968).
Scott, G. G. The gyromagnetic ratios of the ferromagnetic components. Phys. Rev. 87, 697–699 (1952).
You, W. et al. Revealing the character of the ultrafast magnetic section transition in Ni via correlating excessive ultraviolet magneto-optic and photoemission spectroscopies. Phys. Rev. Lett. 121, 077204 (2018).
Volkov, M. et al. Attosecond screening dynamics mediated via electron localization in transition metals. Nat. Phys. 15, 1145–1149 (2019).
Lee, E. W. Magnetostriction and magnetomechanical results. Rep. Prog. Phys. 18, 184–229 (1955).
Guo, G. Y. Orientation dependence of the magnetoelastic coupling constants in strained FCC Co and Ni: an ab initio learn about. J. Magn. Magn. Mater. 209, 33–36 (2000).
Grossinger, R., Turtelli, R. S. & Mehmood, N. Fabrics with excessive magnetostriction. In thirteenth World Symposium on Complex Fabrics (ISAM 2013) 60, 012002 (2014).
Pateras, A. et al. Room temperature massive magnetostriction in single-crystal nickel nanowires. NPG Asia Mater. 11, 59 (2019).
Farle, M., Mirwald-Schulz, B., Anisimov, A. N., Platow, W. & Baberschke, Ok. Upper-order magnetic anisotropies and the character of the spin-reorientation transition in face-centered-tetragonal Ni(001)/Cu(001). Phys. Rev. B 55, 3708–3715 (1997).
Kittel, C. At the gyromagnetic ratio and spectroscopic splitting issue of ferromagnetic elements. Phys. Rev. 76, 743–748 (1949).
Van Vleck, J. H. In regards to the principle of ferromagnetic resonance absorption. Phys. Rev. 78, 266–274 (1950).
Scott, G. G. Assessment of gyromagnetic ratio experiments. Rev. Mod. Phys. 34, 102–109 (1962).
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