Zobrazeno 1 - 10
of 2 787
pro vyhledávání: '"Wirth S."'
Autor:
Crivillero, M. Victoria Ale, Rosa, Priscila F. S., Fisk, Z., Müller, J., Schlottmann, P., Wirth, S.
While SmB$_6$ attracts attention as a possible topological Kondo insulator, EuB$_6$ is known to host magnetic polarons that give rise to large magnetoresistive effects above its ferromagnetic order transition. Here we investigate single crystals of S
Externí odkaz:
http://arxiv.org/abs/2410.23199
Autor:
Dawczak-Dębicki, H., Crivillero, M. Victoria Ale, Cook, M. S., Thomas, S. M., Rosa, Priscila F. S., Müller, J., Rößler, U. K., Schlottmann, P., Wirth, S.
Publikováno v:
Commun. Mater. 5, 248 (2024)
Materials exhibiting electronic inhomogeneities at the nanometer scale have enormous potential for applications. Magnetic polarons are one such type of inhomogeneity which link the electronic, magnetic and lattice degrees of freedom in correlated mat
Externí odkaz:
http://arxiv.org/abs/2410.18744
Autor:
Dawczak-Dębicki, H., Kliemt, Kristin, Crivillero, M. Victoria Ale, Küchler, R., Krellner, C., Stockert, O., Wirth, S.
Single crystals of DyRh$_2$Si$_2$ and HoRh$_2$Si$_2$ were investigated by thermal expansion and magnetostriction. The different types of magnetic order can clearly be seen in these measurements, particularly the canting of the moments away from the c
Externí odkaz:
http://arxiv.org/abs/2402.04072
Autor:
Souza, J. C., Crivillero, M. V. Ale, Dawczak-Dębicki, H., Ptok, Andrzej, Pagliuso, P. G., Wirth, S.
Publikováno v:
Phys. Rev. B 108, 165154 (2023)
Half-Heusler systems host a plethora of different ground states, especially with non-trivial topology. However, there is still a lack of spectroscopic insight into the corresponding band inversion in this family. In this work, we locally explore the
Externí odkaz:
http://arxiv.org/abs/2310.15708
Autor:
Henriques, A., Oliveira, D. M. N., Baksi, M., Naveed, M., Brito, W. H., Larrea-Jimenéz, J., Kumah, D., Wirth, S., Martelli, V.
The perovskite BaBiO$_3$ crystallizes in a cubic structure and undergoes structural transitions toward lower symmetry phases upon cooling. The two low-temperature monoclinic phases are insulating, and the origin of this unexpected non-metallic charac
Externí odkaz:
http://arxiv.org/abs/2308.13681
Autor:
Crivillero, M. Victoria Ale, Rößler, Sahana, Granovsky, S., Doerr, M., Cook, M. S., Rosa, Priscila F. S., Müller, J., Wirth, S.
Publikováno v:
Sci. Rep. 13, 1597 (2023)
The intermetallic compound Eu$_5$In$_2$Sb$_6$, an antiferromagnetic material with nonsymmorphic crystalline structure, is investigated by magnetic, electronic transport and specific heat measurements. Being a Zintl phase, insulating behavior is expec
Externí odkaz:
http://arxiv.org/abs/2302.06324
Autor:
Shan, Z. Y., Smidman, M., Stockert, O., Liu, Y., Yuan, H. Q., Sun, P. J., Wirth, S., Schuberth, E., Steglich, F.
The heavy-fermion superconductor CeCu$_{2}$Si$_{2}$ exhibits two-band, $d$-wave superconductivity with a finite energy gap over the whole Fermi surface around the magnetic instability where 4$f$ antiferrerromagnetic order is suppressed. In contrast,
Externí odkaz:
http://arxiv.org/abs/2208.14663
Autor:
Crivillero, M. Victoria Ale, Rößler, Sahana, Rosa, Priscila F. S., Müller, J., Rößler, U. K., Wirth, S.
Publikováno v:
Phys. Rev. B 106, 035124 (2022)
We performed Scanning Tunneling Microscopy and Spectroscopy (STM/STS) measurements to investigate the Zintl phase Eu$_5$In$_2$Sb$_6$, a non-symmorphic antiferromagnet. The theoretical prediction of a non-trivial Fermi surface topology stabilized by t
Externí odkaz:
http://arxiv.org/abs/2204.07001
Autor:
Wirth, S., Schlottmann, P.
Publikováno v:
Adv. Quantum Technol. 4(12), 2100102 (2021)
Compounds within the hexaboride class of materials exhibit a wide variety of interesting physical phenomena, including polaron formation and quadrupolar order. In particular, SmB$_6$ has recently drawn attention as it is considered a prototypical top
Externí odkaz:
http://arxiv.org/abs/2204.03876
The tetragonal heavy-fermion metal YbRh$_2$Si$_2$ orders antiferromagnetically at $T_{\rm N} = 70$ mK and exhibits an unconventional quantum critical point (QCP) of Kondo-destroying type at $B_{\rm N} = 60$ mT, for the magnetic field applied within t
Externí odkaz:
http://arxiv.org/abs/2203.01617