Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Maršík, Přemysl"'
We present a broad band (THz to UV) ellipsometry study of the anisotropic dielectric response of the orthorhombic perovskite YAlO3. The ellipsometric measurements have been performed on YAlO3 crystals with three different surface cuts and for six hig
Externí odkaz:
http://arxiv.org/abs/2403.18392
Autor:
Lyzwa, Fryderyk, Pashkevich, Yurii G., Marsik, Premysl, Sirenko, Andrei, Chan, Andrew, Mallett, Benjamin P. P., Yazdi-Rizi, Meghdad, Xu, Bing, Vicente-Arche, Luis M., Vaz, Diogo C., Herranz, Gervasi, Cazayous, Maximilien, Hemme, Pierre, Fürsich, Katrin, Minola, Matteo, Keimer, Bernhard, Bibes, Manuel, Bernhard, Christian
Publikováno v:
Communications Physics 5, 133 (2022)
The highly mobile electrons at the interface of SrTiO3 with other oxide insulators, such as LaAlO3 or AlOx, are of great current interest. A vertical gate voltage allows controlling a metal/superconductor-to-insulator transition, as well as electrica
Externí odkaz:
http://arxiv.org/abs/2109.06673
Autor:
Mirjolet, Mathieu, Rivadulla, Francisco, Marsik, Premysl, Borisov, Vladislav, Valenti, Roser, Fontcuberta, Josep
Understanding the physics of strongly correlated electronic systems has been a central issue in condensed matter physics for decades. In transition metal oxides, strong correlations characteristic of narrow $d$ bands is at the origin of such remarkab
Externí odkaz:
http://arxiv.org/abs/2105.01579
Autor:
Kozina, Michael, Fechner, Michael, Marsik, Premysl, van Driel, Tim, Glownia, James M., Bernhard, Christian, Radovic, Milan, Zhu, Diling, Bonetti, Stefano, Staub, Urs, Hoffmann, Matthias C.
Direct manipulation of the atomic lattice using intense long-wavelength laser pulses has become a viable approach to create new states of matter in complex materials. Conventionally, a high frequency vibrational mode is driven resonantly by a mid-inf
Externí odkaz:
http://arxiv.org/abs/1807.10788
Autor:
Lyzwa, Fryderyk, Marsik, Premysl, Roddatis, Vladimir, Bernhard, Christian, Jungbauer, Markus, Moshnyaga, Vasily
Publikováno v:
J. Phys. D: Appl. Phys. (2018)
We report on the use of time-resolved optical ellipsometry to monitor the deposition of single atomic layers with subatomic sensitivity. Ruddlesden-Popper thin films of SrO(SrTiO3)n=4 were grown by means of metalorganic aerosol deposition in the atom
Externí odkaz:
http://arxiv.org/abs/1708.06979
Autor:
Kozina, Michael, Pancaldi, Matteo, Bernhard, Christian, van Driel, Tim, Glownia, J. Michael, Marsik, Premysl, Radovic, Milan, Vaz, Carlos A. F., Zhu, Diling, Bonetti, Stefano, Staub, Urs, Hoffmann, Matthias C.
Publikováno v:
Appl. Phys. Lett. 110, 081106 (2017)
We report local field strength enhancement of single-cycle terahertz (THz) pulses in an ultrafast time-resolved x-ray diffraction experiment. We show that patterning the sample with gold microstructures increases the THz field without changing the TH
Externí odkaz:
http://arxiv.org/abs/1701.09161
Autor:
Yazdi-Rizi, Meghdad, Marsik, Premysl, Mallett, Benjamin, Dubroka, Adam, Christensen, Dennis Valbjørn, Chen, Yunzhong, Pryds, Nini, Bernhard, Christian
Publikováno v:
EPL 113 47005 (2016)
With infrared ellipsometry we studied the response of the confined electrons in a $\gamma$-Al$_2$O$_3$/SrTiO$_3$ heterostructures in which they originate predominantly from oxygen vacancies. From the analysis of a so-called Berreman mode, that develo
Externí odkaz:
http://arxiv.org/abs/1512.06008
Autor:
Marsik, Premysl, Sen, Kaushik, Khmaladze, Jarji, Yazdi-Rizi, Meghdad, Mallett, Benjamin P. P., Bernhard, Christian
We present a combined study with conventional far-infrared and time-domain terahertz ellipsometry of the temperature dependent optical response of SrTiO3 thin films (85 and 8.5 nm) that are grown by pulsed-laser deposition on LSAT substrates. We demo
Externí odkaz:
http://arxiv.org/abs/1511.04521
Autor:
Mallett, Ben PP, Marsik, Premysl, Yazdi-Rizi, Meghdad, Wolf, Thomas, Böhmer, Anna, Hardy, F., Meingast, Christof, Munzar, Dominik, Bernhard, Christian
Publikováno v:
Phys. Rev. Lett., 115, 027003, (2015)
With infrared spectroscopy we investigated the spin-reorientation transition from an orthorhombic antiferromagnetic (o-AF) to a tetragonal AF (t-AF) phase and the reentrance of the o-AF phase in the superconducting state of underdoped Ba$ _{1-x} $K$
Externí odkaz:
http://arxiv.org/abs/1505.01645
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