Zobrazeno 1 - 10
of 585
pro vyhledávání: '"Shengelaya, A"'
Autor:
Khasanov, Rustem, Shengelaya, Alexander, Conder, Kazimierz, Karpinski, Janusz, Bussmann-Holder, Annette, Keller, Hugo
Publikováno v:
Physica C: Superconductivity and its Applications, 613, 1354332 (2023)
We report on measurements of the oxygen isotope ($^{16}$O/$^{18}$O) effect (OIE) on the transition temperature $T_{\rm c}$ and the zero-temperature in-plane magnetic penetration depth $\lambda_{\rm ab}(0)$ in the stoichiometric cuprate superconductor
Externí odkaz:
http://arxiv.org/abs/2306.08112
Autor:
Guguchia, Z., Kerelsky, A., Edelberg, D., Banerjee, S., von Rohr, F., Scullion, D., Augustin, M., Scully, M., Rhodes, D. A., Shermadini, Z., Luetkens, H., Shengelaya, A., Baines, C., Morenzoni, E., Amato, A., Hone, J. C., Khasanov, R., Billinge, S. J. L., Santos, E., Pasupathy, A. N., Uemura, Y. J.
Publikováno v:
Science Advances 4 (12), eaat3672 (2018)
Transition metal dichalcogenides (TMDs) are interesting for understanding fundamental physics of two-dimensional materials (2D) as well as for many emerging technologies, including spin electronics. Here, we report the discovery of long-range magneti
Externí odkaz:
http://arxiv.org/abs/1711.05392
Autor:
Guguchia, Z., Roessli, B., Khasanov, R., Amato, A., Pomjakushina, E., Conder, K., Uemura, Y. J., Tranquada, J. M., Keller, H., Shengelaya, A.
Publikováno v:
Phys. Rev. Lett. 119, 087002 (2017)
We report muon-spin rotation and neutron-scattering experiments on non-magnetic Zn impurity effects on the static spin-stripe order and superconductivity of the La214 cuprates. Remarkably, it was found that, for samples with hole doping x = 1/8, the
Externí odkaz:
http://arxiv.org/abs/1704.05195
Autor:
Guguchia, Z., Rohr, F. v., Shermadini, Z., Lee, A. T., Banerjee, S., Wieteska, A. R., Marianetti, C. A., Luetkens, H., Gong, Z., Frandsen, B. A., Cheung, S. C., Baines, C., Shengelaya, A., Pasupathy, A. N., Morenzoni, E., Billinge, S. J. L., Amato, A., Cava, R. J., Khasanov, R., Uemura, Y. J.
Publikováno v:
Nature Communications 8, 1082 (2017)
MoTe_2, with the orthorhombic T_d phase, is a new type (type-II) of Weyl semimetal, where the Weyl Fermions emerge at the boundary between electron and hole pockets. Non-saturating magnetoresistance (MR), and superconductivity were also observed in T
Externí odkaz:
http://arxiv.org/abs/1704.05185
Autor:
M. Boshta, M. M. Gomaa, M. H. Sayed, H. Mohamed, A. Shengelaya, E. Chikoidze, Y. Dumont, M. Neumann-Spallart
Publikováno v:
ECS Advances, Vol 3, Iss 1, p 012001 (2024)
Annealing of sprayed pure and Mg doped CuCrO _2 thin films by high intensity, short time light irradiation leads to a single delafossite phase at comparatively low temperatures compared with traditional furnace annealing. P-type crystalline undoped a
Externí odkaz:
https://doaj.org/article/e1161f0687204593985cbe3391f1c4d7
Autor:
Popova, Elena, Shengelaya, Alexander, Daraselia, Dimitri, Japaridze, David, Cherifi-Hertel, Salia, Bocher, Laura, Gloter, Alexandre, Stéphan, Odile, Dumont, Yves, Keller, Niels
Publikováno v:
Appl. Phys. Lett. 110, 142404 (2017)
The possibility to control the magnetic properties of a material with an electric field at room temperature is highly desirable for modern applications. Moreover, a coupling between magnetic and electric orders within a single material presenting a w
Externí odkaz:
http://arxiv.org/abs/1612.07531
Autor:
Guguchia, Z., Khasanov, R., Shengelaya, A., Pomjakushina, E., Billinge, S. J. L., Amato, A., Morenzoni, E., Keller, H.
Publikováno v:
Phys. Rev. B 94, 214511 (2016)
Static spin-stripe order and superconductivity were systematically studied in La_2-xBa_xCuO_4 (0.11 - 0.17) at ambient pressure by means of magnetization and muSR experiments. We find that all the investigated La_2-xBa_xCuO_4 samples exhibit static s
Externí odkaz:
http://arxiv.org/abs/1603.05216
Autor:
Guguchia, Zurab, Amato, Alex, Kang, Jian, Luetkens, Hubertus, Biswas, Pabitra Kumar, Prando, Giacomo, von Rohr, Fabian, Bukowski, Zbigniew, Shengelaya, Alexander, Keller, Hugo, Morenzoni, Elvezio, Fernandes, Rafael, Khasanov, Rustem
Publikováno v:
Nature Communications 6, 8863 (2015)
Identifying the superconducting (SC) gap structure of the iron-based high-temperature superconductors (Fe-HTS's) remains a key issue for the understanding of superconductivity in these materials. In contrast to other unconventional superconductors, i
Externí odkaz:
http://arxiv.org/abs/1505.01223
Autor:
Guguchia, Z., Sheptyakov, D., Pomjakushina, E., Conder, K., Khasanov, R., Shengelaya, A., Simon, A., Bussmann-Holder, A., Keller, H.
Publikováno v:
Phys. Rev. B 92, 024508 (2015)
A novel negative oxygen-isotope (16O/18O) effect (OIE) on the low-temperature tetragonal phase transition temperature T_{LTT} was observed in La_{2-x}Ba_xCuO_4 (x = 1/8) using high-resolution neutron powder diffraction. The corresponding OIE exponent
Externí odkaz:
http://arxiv.org/abs/1504.01779
Publikováno v:
In Journal of Magnetism and Magnetic Materials 15 March 2020 498