P
Peter M. Oppeneer
Researcher at Uppsala University
Publications - 439
Citations - 14379
Peter M. Oppeneer is an academic researcher from Uppsala University. The author has contributed to research in topics: Magnetization & Electron. The author has an hindex of 53, co-authored 416 publications receiving 11892 citations. Previous affiliations of Peter M. Oppeneer include VU University Amsterdam & Indian Institute of Technology Bombay.
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Journal ArticleDOI
Superdiffusive Spin Transport as a Mechanism of Ultrafast Demagnetization
TL;DR: A semiclassical model for femtosecond laser-induced demagnetization due to spin-polarized excited electron diffusion in the superdiffusive regime is proposed and it is shown that this mechanism accounts for the experimentally observed demagnetsization within 200 fs in Ni, without the need to invoke any angular momentum dissipation channel.
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Efficient metallic spintronic emitters of ultrabroadband terahertz radiation
Tom Seifert,Samridh Jaiswal,Samridh Jaiswal,Ulrike Martens,John Hannegan,Lukas Braun,Pablo Maldonado,Frank Freimuth,Alexander Kronenberg,J. Henrizi,Ilie Radu,Eric Beaurepaire,Yuriy Mokrousov,Peter M. Oppeneer,Martin Jourdan,Gerhard Jakob,Dmitry Turchinovich,L. M. Hayden,Martin Wolf,Markus Münzenberg,Mathias Kläui,Tobias Kampfrath +21 more
TL;DR: In this article, a W/CoFeB/Pt trilayer was used to generate a 1.30 THz range of trilayers from photo-induced spin currents, the inverse spin Hall effect and a broadband Fabry-Perot resonance.
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Terahertz spin current pulses controlled by magnetic heterostructures.
Tobias Kampfrath,Marco Battiato,Pablo Maldonado,Gerrit Eilers,Jan Nötzold,S. Mahrlein,Vladyslav Zbarsky,Frank Freimuth,Yuriy Mokrousov,Stefan Blügel,Martin Wolf,Iuliana Radu,Peter M. Oppeneer,Markus Münzenberg +13 more
TL;DR: It is demonstrated, by experiment and theory, that the temporal shape of femtosecond spin current bursts can be manipulated by using specifically designed magnetic heterostructures, which opens the door to engineering high-speed spintronic devices and, potentially, broadband terahertz emitters.
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Substrate-induced magnetic ordering and switching of iron porphyrin molecules.
Heiko Wende,Heiko Wende,Matthias Bernien,J. Luo,C. Sorg,N. Ponpandian,J. Kurde,J. Miguel,Marten Piantek,Xiaoying Xu,Ph. Eckhold,Wolfgang Kuch,K. Baberschke,Pooja M. Panchmatia,Biplab Sanyal,Peter M. Oppeneer,Olle Eriksson +16 more
TL;DR: The Fe magnetic moment can be rotated along directions in plane as well as out of plane by a magnetization reversal of the substrate, thereby opening up an avenue for spin-dependent molecular electronics.
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Observation of Topological Nodal Fermion Semimetal Phase in ZrSiS
Madhab Neupane,Ilya Belopolski,M. Mofazzel Hosen,Daniel S. Sanchez,Raman Sankar,Maria Szlawska,Su-Yang Xu,Klauss Dimitri,Nagendra Dhakal,Pablo Maldonado,Peter M. Oppeneer,Dariusz Kaczorowski,Fangcheng Chou,M. Zahid Hasan,Tomasz Durakiewicz +14 more
TL;DR: In this article, the spinless nodal fermion semimetal phase in ZrSiS was established using angle-resolved photoemission spectroscopy and first-principles calculations.