Zobrazeno 1 - 10
of 821
pro vyhledávání: '"Renzi, R."'
Autor:
Sahoo, M., Onuorah, I. J., Folkers, L. C., Chulkov, E. V., Otrokov, M. M., Aliev, Z. S., Amiraslanov, I. R., Wolter, A. U. B., Büchner, B., Corredor, L. T., Wang, Ch., Salman, Z., Isaeva, A., De Renzi, R., Allodi, G.
Publikováno v:
Adv. Sci. 2024, 11, 2402753
Magnetic topological insulators (TIs) herald a wealth of applications in spin-based technologies, relying on the novel quantum phenomena provided by their topological properties. Particularly promising is the (MnBi$_2$Te$_4$)(Bi$_2$Te$_3$)$_n$ layere
Externí odkaz:
http://arxiv.org/abs/2402.06340
Autor:
Cugini, F., Chicco, S., Orlandi, F., Allodi, G., Bonfa, P., Vezzoni, V., Miroshkina, O. N., Gruner, M. E., Righi, L., Fabbrici, S., Albertini, F., De Renzi, R., Solzi, M.
Publikováno v:
Phys. Rev. B 105, 174434, 2022
Magnetic frustration in ferromagnetic metallic systems is unusual due to the long-range and symmetric nature of the exchange interactions. In this work we prove that it is possible to obtain a highly frustrated ferromagnetic phase in a multi-sublatti
Externí odkaz:
http://arxiv.org/abs/2203.12498
Autor:
Huddart, B. M., Onuorah, I. J., Isah, M. M., Bonfà, P., Blundell, S. J., Clark, S. J., De Renzi, R., Lancaster, T.
Publikováno v:
Phys. Rev. Lett. 127, 237002 (2021)
We present a systematic investigation of muon-stopping states in superconductors that reportedly exhibit spontaneous magnetic fields below their transition temperatures due to time-reversal symmetry breaking. These materials include elemental rhenium
Externí odkaz:
http://arxiv.org/abs/2105.13956
Autor:
Garlatti, E., Allodi, G., Bordignon, S., Bordonali, L., Timco, G. A., Winpenny, R. E. P., Lascialfari, A., De Renzi, R., Carretta, S.
Publikováno v:
J. Phys.: Condens. Matter 32, 244003 (2020)
An accurate experimental characterization of finite antiferromagnetic (AF) spin chains is crucial for controlling and manipulating their magnetic properties and quantum states for potential applications in spintronics or quantum computation. In parti
Externí odkaz:
http://arxiv.org/abs/2101.07193
Autor:
Lamura, G., Onuorah, I. J., Bonfà, P., Sanna, S., Shermadini, Z., Khasanov, R., Orain, J. -C., Baines, C., Gastaldo, F., Giovannini, M., Čurlík, I., Dzubinska, A., Pristas, G., Reiffers, M., Martinelli, A., Ritter, C., Joseph, B., Bauer, E., De Renzi, R., Shiroka, T.
Publikováno v:
Phys. Rev. B 101, 054410 (2020)
In the heavy-fermion system $Yb_2Pd_2In_{1-x}Sn_x$, the interplay of crystal-field splitting, Kondo effect, and Ruderman-Kittel-Kasuya-Yosida interactions leads to complex chemical-, pressure-, and magnetic-field phase diagrams, still to be explored
Externí odkaz:
http://arxiv.org/abs/2002.03900
Autor:
Hussain, R., Cugini, F., Baldini, S., Porcari, G., Amadè, N. Sarzi, Miao, X. F., van Dijk, N. H., Brück, E., Solzi, M., De Renzi, R., Allodi, G.
We report on a study on a representative set of Fe$_{2}$P-based MnFePSi samples by means of $^{55}$Mn NMR in both zero and applied magnetic field. The first-order nature of the magnetic transition is demonstrated by truncated order parameter curves w
Externí odkaz:
http://arxiv.org/abs/1904.11629
Probing the quantum phase transition in Mott insulator BaCoS_2 tuned by pressure and Ni-substitution
Autor:
Guguchia, Z., Frandsen, B. A., Santos-Cottin, D., Cheung, S. C., Gong, Z., Sheng, Q., Yamakawa, K., Hallas, A. M., Wilson, M. N., Cai, Y., Beare, J., Khasanov, R., De Renzi, R., Luke, G. M., Shamoto, S., Gauzzi, A., Klein, Y., Uemura, Y. J.
Publikováno v:
Phys. Rev. Materials 3, 045001 (2019)
We present a muon spin relaxation study of the Mott transition in BaCoS_2 using two independent control parameters: (i) pressure p to tune the electronic bandwidth and (ii) Ni-substitution x on the Co site to tune the band filling. For both tuning pa
Externí odkaz:
http://arxiv.org/abs/1901.07802
Autor:
Sanna, S., Carretta, P., Moroni, M., Prando, G., Bonfà, P., Allodi, G., De Renzi, R., Martinelli, A.
We report on an experimental study of the effect of Mn impurities in the optimally doped LaFeAsO$_{0.89}$F$_{0.11}$ compound. The results show that a very tiny amount of Mn, of the order of 0.1\%, is enough to destroy superconductivity and to recover
Externí odkaz:
http://arxiv.org/abs/1812.00443
Autor:
De Renzi, R., Coneri, F., Mezzadri, F., Allodi, G., Calestani, G., Righi, L., Lopez, G. M., Fiorentini, V., Filippetti, A., Sanna, S.
Publikováno v:
Journal of Physics: Condensed Matter, 31, 184002 (2019)
We investigate the specific influence of structural disorder on the suppression of antiferromagnetic order and on the emergence of cuprate superconductivity. We single out pure disorder, by focusing on a series of Y$_{z}$Eu$_{1-z}$Ba$_2$Cu$_3$O$_{6+y
Externí odkaz:
http://arxiv.org/abs/1811.04668
Autor:
Khasanov, R., Amato, A., Bonfà, P., Guguchia, Z., Luetkens, H., Morenzoni, E., De Renzi, R., Zhigadlo, N. D.
Publikováno v:
J. Phys.: Condens.Matter, 29, 164003 (2017)
Muon-spin rotation data collected at ambient pressure ($p$) and at $p=2.42$ GPa in MnP were analyzed to check their consistency with various low- and high-pressure magnetic structures reported in the literature. Our analysis confirms that in MnP the
Externí odkaz:
http://arxiv.org/abs/1701.08699