Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Evans, Donald M."'
Autor:
Evans, Donald M., Conroy, Michele, Puntigam, Lukas, Croitori, Dorina, Prodan, Lilian, Douglas, James O., Gault, Baptiste, Tsurkan, Vladimir
Understanding the exotic properties of quantum materials, including high-temperature superconductors, remains a formidable challenge that demands direct insights into electronic conductivity. Current methodologies either capture a bulk average or nea
Externí odkaz:
http://arxiv.org/abs/2310.20017
Autor:
Prodan, Lilian, Evans, Donald M., Griffin, Sinéad M., Östlin, Andreas, Altthaler, Markus, Lysne, Erik, Filippova, Irina G., Shova, Serghei, Chioncel, Liviu, Tsurkan, Vladimir, Kézsmárki, István
We report the structural and magnetic properties of high-quality bulk single crystals of the kagome ferromagnet Fe$_3$Sn. The dependence of magnetisation on the magnitude and orientation of the external field reveals strong easy-plane type uniaxial m
Externí odkaz:
http://arxiv.org/abs/2302.13810
Autor:
Evans, Donald M., Grendal, Ola G., Prodan, Lilian, Winkler, Maximilian, Winterhalter-Stocker, Noah, Gegenwart, Philipp, Ghara, Somnath, Deisenhofer, Joachim, Kézsmárki, István, Tsurkan, Vladimir
The cubic spinel FeCr2S4 has been receiving immense research interest because of its emergent phases and the interplay of spin, orbital and lattice degrees of freedom. Despite the intense research, several fundamental questions are yet to be answered
Externí odkaz:
http://arxiv.org/abs/2203.00581
Autor:
Zhou, Lima, Puntigam, Lukas, Lunkenheimer, Peter, Bourret, Edith, Yan, Zewu, Kézsmárki, István, Meier, Dennis, Krohns, Stephan, Schultheiß, Jan, Evans, Donald M.
Publikováno v:
In Matter 4 September 2024 7(9):2996-3006
Autor:
Roede, Erik D., Mosberg, Aleksander B., Evans, Donald M., Bourret, Edith, Yan, Zewu, van Helvoort, Antonius T. J., Meier, Dennis
Focused ion beam (FIB) and scanning electron microscopy (SEM) are used to reversibly switch improper ferroelectric domains in the hexagonal manganite ErMnO$_3$. Surface charging is achieved by local ion (positive charging) and electron (positive and
Externí odkaz:
http://arxiv.org/abs/2012.00418
Autor:
Puntigam, Lukas, Schultheiß, Jan, Strinic, Ana, Yan, Zewu, Bourret, Edith, Altthaler, Markus, Kezsmarki, Istvan, Evans, Donald M., Meier, Dennis, Krohns, Stephan
We report the dielectric properties of improper ferroelectric h-ErMnO$_3$. From the bulk characterisation we observe a temperature and frequency range with two distinct relaxation-like features, leading to high and even 'colossal' values for the diel
Externí odkaz:
http://arxiv.org/abs/2011.10457
Autor:
Evans, Donald M.
This work focuses on characterising the recently discovered room temperature multiferroic PZTFT, which has demonstrated some unusual properties. This investigation is done on both large scales (mm) the bulk ceramic - and small length scales (nm)withi
Externí odkaz:
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.673847
We show that switching in ferroelectric lead germanate and lead iron tantalate zirconate titanate (PZTFT) does not resemble the equilibrium domain structure evolution of the Landau-Lifshitz-Kittel model but is instead highly nonequilibrium and simila
Externí odkaz:
http://arxiv.org/abs/1606.03586
Autor:
Wei, Fengxia, Deng, Zeyu, Sun, Shijing, Xie, Fei, Kieslich, Gregor, Evans, Donald M., Carpenter, Michael A., Bristowe, Paul D., Cheetham, Anthony K.
In a search for Lead-free materials that could be used as alternatives to the hybrid perovskites,(MA)PbX3, in photovoltaic applications, we have discovered a hybrid double perovskite, (MA)2KBiCl6, which shows striking similarities to the lead analogu
Externí odkaz:
http://arxiv.org/abs/1603.00537
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