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Spin pumping at interfaces with ferro- and paramagnetic Fe60Al40 films acting as spin source and spin sink

Autor: T. Strusch, K. Lenz, R. Meckenstock, R. Bali, J. Ehrler, J. Lindner, J. Fassbender, M. Farle, K. Potzger, A. Semisalova

Publikováno v: Journal of Applied Physics 132(2022), 213906

We present a study of spin pumping efficiency and determine the spin mixing conductance and spin diffusion length in thin bilayer films based on 3d transition metal alloy Fe60Al40. Due to its magnetostructural phase transition, Fe60Al40 can be utiliz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45d56c5e6cb64abd0094a579de2003e4
https://www.hzdr.de/publications/Publ-32940-1

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Akademický článek

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Magnetism of carbon doped Mn5Si3 and Mn5Ge3 films

Autor: K. Potzger, Gerda Fischer, Christoph Sürgers

Publikováno v: Journal of Chemical Sciences. 121:173-176

The magnetic properties of Mn5Si3Cx and Mn5Ge3Cx films prepared by magnetron cosputtering or C+-ion implantation are studied. The carbon-doped films exhibit ferromagnetic properties with Curie temperatures TC well above room temperature and metallic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09c70215f0fc22958b449b8542d7b01e
https://doi.org/10.1007/s12039-009-0019-6

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Open volume defects and magnetic phase transition in Fe60Al40 transition metal aluminide

Autor: Rantej Bali, K. Potzger, D. Walecki, Soma Salamon, Maciej Oskar Liedke, Heiko Wende, Andreas Wagner, A. Smekhova, Maik Butterling, W. Anwand, S. Cornelius, Thu Trang Trinh

Publikováno v: 22nd International Colloquium on Magnetic Films and Surfaces, 12.-17.07.2015, Kraków, Polska
Journal of Applied Physics 117(2015), 163908

Magnetic phase transition in the Fe60Al40 transition metal aluminide from the ferromagnetic disordered A2-phase to the paramagnetic ordered B2-phase as a function of annealing up to 1000°C has been investigated by means of magneto-optical and spectr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1192a81cae75a15d0e1261249743861
https://www.hzdr.de/publications/Publ-23188-1

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From a non-magnet to a ferromagnet: Mn implantation into different TiO2 structures

Autor: Andreas Wagner, Maik Butterling, K. Potzger, Roman Böttger, A. Smekhova, C. Bähtz, J. Fiedler, S. Cornelius, Oguz Yildirim, W. Anwand

Publikováno v: Applied Physics Letters 107(2015)24, 242405-1-242405-4

We study effect of the initial structural order on the resulting magnetic properties of the manganese implanted TiO2 films. Different microstructures of as-grown TiO2 films, namely amorphous, polycrystalline anatase and epitaxial anatase, have been i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8d16102093613e483811b08fbb9330b
https://www.hzdr.de/publications/Publ-22333-1

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Magnetic anisotropy of Ni modified by extreme lattice expansion

Autor: M. Dietrich, K. Potzger, Mark J. Prandolini, William D. Brewer, P. Imielski, Y. Manzhur, H. H. Bertschat

Publikováno v: The European Physical Journal B. 46:535-540

The induced magnetism of isolated (Cd) adatoms, soft-landed onto ultrathin Ni layers grown pseudo-morphologically on Pd(001) (aPd = 3.8907 A), was studied using the perturbed angular correlation (PAC) technique. The magnitude of the induced magnetic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::baa7e8d686512bf44c62fa17cdb0d7d2
https://doi.org/10.1140/epjb/e2005-00286-0

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Measurement of the magnetic behaviour of 147Eu and 149Eu in cerium and platinum

Autor: V. Samokhvalov, W.-D. Zeitz, A. Weber, F. Schneider, S. Unterricker, M. Dietrich, K. Potzger

Publikováno v: Journal of Magnetism and Magnetic Materials. 294:330-337

The local magnetism at europium in platinum and in cerium was studied using perturbed angular correlation (PAC) spectroscopy. In platinum, europium shows the electronic properties of the trivalent status, which has a non-magnetic ground state ( J = 0

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::07fa551e9cfef2cb9b11a10d1de00f7f
https://doi.org/10.1016/j.jmmm.2004.12.029

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Surface and Interface Magnetism Using Radioactive Probes

Autor: Mark J. Prandolini, W.-D. Zeitz, A. Weber, H. H. Bertschat, Y. Manzhur, K. Potzger, M. Dietrich

Publikováno v: Hyperfine Interactions. 160:3-15

Magnetic properties of impurities at ferromagnetic surfaces and interfaces have been investigated performing Perturbed Angular Correlation (PAC) measurements in the ultra-high vacuum chamber ASPIC (Apparatus for Surface Physics and Interfaces at CERN

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b070fa429c1de45ca8bdd6636e632eb
https://doi.org/10.1007/s10751-005-9143-y

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