Zobrazeno 1 - 10
of 147
pro vyhledávání: '"Potzger, Kay"'
Autor:
Borisov, Kiril, Ehrler, Jonathan, Fowley, Ciaran, Eggert, Benedikt, Wende, Heiko, Cornelius, Steffen, Potzger, Kay, Lindner, Juergen, Fassbender, Juergen, Bali, Rantej, Stamenov, Plamen
We investigate the evolution of spin polarization, spontaneous Hall angle (SHA), saturation magnetization and Curie temperature of $B2$-ordered Fe$_{60}$Al$_{40}$ thin films under varying antisite disorder, induced by Ne$^{+}$-ion irradiation. The sp
Externí odkaz:
http://arxiv.org/abs/2104.14792
Autor:
Eggert, Benedikt, Schmeink, Alexander, Lill, Johanna, Wagner, Maciej O. Liedke Andreas, Pascarelli, Sakura, Potzger, Kay, Lindner, Jürgen, Thomson, Thomas, Fassbender, Jürgen, Ollefs, Katharina, Keune, Werner, Bali, Rantej, Wende, Heiko
Publikováno v:
RSC Adv., 2020,10, 14386-14395
Changes of the magnetic and crystal structure on the microscopic scale in 40 nm FeRh thin films have been applied to investigate the phenomena of a disorder induced ferromagnetism at room temperature initiated through light ion-irradiation with fluen
Externí odkaz:
http://arxiv.org/abs/1911.11256
Autor:
Ehrler, Jonathan, Sanyal, Biplab, Grenzer, Jörg, Zhou, Shengqiang, Böttger, Roman, Eggert, Benedikt, Wende, Heiko, Lindner, Jürgen, Fassbender, Jürgen, Leyens, Christoph, Potzger, Kay, Bali, Rantej
Publikováno v:
New Journal of Physics (2020)
Ferromagnetism in certain B2 ordered alloys such as Fe$_{60}$Al$_{40}$ can be switched on, and tuned, via antisite disordering of the atomic arrangement. The disordering is accompanied by a $\sim$1 % increase in the lattice parameter. Here we perform
Externí odkaz:
http://arxiv.org/abs/1911.08404
Autor:
Yuan, Ye, Hübner, René, Birowska, Magdalena, Xu, Chi, Wang, Mao, Prucnal, Slawomir, Jakiela, Rafal, Potzger, Kay, Böttger, Roman, Facsko, Stefan, Majewski, Jacek A., Helm, Manfred, Sawicki, Maciej, Zhou, Shengqiang, Dietl, Tomasz
Publikováno v:
Phys. Rev. Materials 2, 114601 (2018)
The origin of nematicity, i.e., in-plane rotational symmetry breaking, and in particular the relative role played by spontaneous unidirectional ordering of spin, orbital, or charge degrees of freedom, is a challenging issue of magnetism, unconvention
Externí odkaz:
http://arxiv.org/abs/1807.05966
Autor:
Wang, Yutian, Li, Lin, Prucnal, Slawomir, Chen, Xuliang, Tong, Wei, Yang, Zhaorong, Munnik, Frans, Potzger, Kay, Skorupa, Wolfgang, Gemming, Sibylle, Helm, Manfred, Zhou, Shengqiang
Publikováno v:
Phys. Rev. B 89, 014417 (2014)
We present a detailed investigation of the magnetic properties in SiC single crystals bombarded with neon ions. Through careful measuring of the magnetization of virgin and irradiated SiC, we decompose the magnetization of SiC into paramagnetic, supe
Externí odkaz:
http://arxiv.org/abs/1401.5576
Autor:
Potzger, Kay.
Berlin, Freie Universiẗat, Diss., 2001.
Dateiformat: zip, Dateien im PDF-Format.
Dateiformat: zip, Dateien im PDF-Format.
Autor:
Ehrler, Jonathan, Liedke, Maciej Oskar, Čížek, Jakub, Boucher, Richard, Butterling, Maik, Zhou, Shengqiang, Böttger, Roman, Hirschmann, Eric, Trinh, Thu Trang, Wagner, Andreas, Lindner, Jürgen, Fassbender, Jürgen, Leyens, Christoph, Potzger, Kay, Bali, Rantej
Publikováno v:
In Acta Materialia 1 September 2019 176:167-176
Autor:
Zhou, Shengqiang, Shalimov, Artem, Potzger, Kay, Jeutter, Nicole M., Baehtz, Carsten, Helm, Manfred, Fassbender, Juergen, Schmidt, Heidemarie
Publikováno v:
Appl. Phys. Lett. 95, 192505 (2009)
Crystalline Mn5Ge3 nanomagnets are formed inside a Mn-diluted Ge matrix using Mn ion implantation. A temperature-dependent memory effect and slow magnetic relaxation are observed below the superparamagnetic blocking temperature of Mn5Ge3. Our finding
Externí odkaz:
http://arxiv.org/abs/0910.4095
Autor:
Potzger, Kay, Zhou, Shengqiang
Publikováno v:
Physica Status Solidi (b), 246, 1147 (2009)
We review pitfalls in recent efforts to make a conventional semiconductor, namely ZnO, ferromagnetic by means of doping with transition metal ions. Since the solubility of those elements is rather low, formation of secondary phases and the creation o
Externí odkaz:
http://arxiv.org/abs/0908.0645
Autor:
Zhou, Shengqiang, Berndt, Markus, Buerger, Danilo, Heera, Viton, Potzger, Kay, Abrasonis, Gintautas, Radnoczi, Gyoergy, Kovacs, Gyoergy J., Kolitsch, Andreas, Helm, Manfred, Fassbender, Juergen, Moeller, Wolfhard, Schmidt, Heidemarie
The magneto-transport properties of nanocomposite C:Co (15 and 40 at.% Co) thin films are investigated. The films were grown by ion beam co-sputtering on thermally oxidized silicon substrates in the temperature range from 200 to 500 degC. Two major e
Externí odkaz:
http://arxiv.org/abs/0908.0127