Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Sahle, Ch. J."'
Autor:
Magnaterra, M., Sandberg, A., Schilling, H., Warzanowski, P., Pätzold, L., Bergamasco, E., Sahle, Ch. J., Detlefs, B., Ruotsalainen, K., Sala, M. Moretti, Monaco, G., Becker, P., Faure, Q., Thakur, G. S., Songvilay, M., Felser, C., van Loosdrecht, P. H. M., Brink, J. van den, Hermanns, M., Grüninger, M.
The insulating mixed-valent Ir$^{+3.66}$ compound Ba$_4$NbIr$_3$O$_{12}$ hosts two holes per Ir$_3$O$_{12}$ trimer unit. We address the electronic structure via resonant inelastic x-ray scattering (RIXS) at the Ir $L_3$ edge and exact diagonalization
Externí odkaz:
http://arxiv.org/abs/2411.00125
Autor:
Warzanowski, P., Magnaterra, M., Sahle, Ch. J., Sala, M. Moretti, Becker, P., Bohatý, L., Císařová, I., Monaco, G., Lorenz, T., van Loosdrecht, P. H. M., Brink, J. van den, Grüninger, M.
Mott insulators with spin-orbit entangled j=1/2 moments host intriguing magnetic properties. The j=1/2 wave function requires cubic symmetry, while a noncubic crystal field mixes j=1/2 and 3/2 character. Spectroscopic studies of $5d^5$ iridates typic
Externí odkaz:
http://arxiv.org/abs/2407.12133
Structural Descriptors and Information Extraction from X-ray Emission Spectra: Aqueous Sulfuric Acid
Machine learning can reveal new insights into X-ray spectroscopy of liquids when the local atomistic environment is presented to the model in a suitable way. Many unique structural descriptor families have been developed for this purpose. We benchmar
Externí odkaz:
http://arxiv.org/abs/2402.08355
Autor:
Warzanowski, P., Magnaterra, M., Schlicht, G., Faure, Q., Sahle, Ch. J., Becker, P., Bohatý, L., Sala, M. Moretti, Monaco, G., Hermanns, M., van Loosdrecht, P. H. M., Grüninger, M.
Publikováno v:
Phys. Rev. B 109, 155149 (2024)
The half-filled $t_{2g}$ shell of the $t_{2g}^3$ configuration usually, in LS coupling, hosts a S = 3/2 ground state with quenched orbital moment. This state is not Jahn-Teller active. Sufficiently large spin-orbit coupling $\zeta$ has been predicted
Externí odkaz:
http://arxiv.org/abs/2311.11419
Autor:
Warzanowski, P., Magnaterra, M., Stein, P., Schlicht, G., Faure, Q., Sahle, Ch. J., Lorenz, T., Becker, P., Bohaty, L., Sala, M. Moretti, Monaco, G., van Loosdrecht, P. H. M., Grüninger, M.
Publikováno v:
Phys. Rev. B 108, 125120 (2023)
We demonstrate that the cubic antifluorite-type halides K$_2$OsCl$_6$, K$_2$OsBr$_6$, and Rb$_2$OsBr$_6$ are excellent realizations of non-magnetic J=0 compounds. The magnetic susceptibility shows the corresponding Van-Vleck type behavior and no sign
Externí odkaz:
http://arxiv.org/abs/2306.12538
Autor:
Magnaterra, M., Hopfer, K., Sahle, Ch. J., Sala, M. Moretti, Monaco, G., Attig, J., Hickey, C., Pietsch, I. -M., Breitner, F., Gegenwart, P., Upton, M. H., Kim, Jungho, Trebst, S., van Loosdrecht, P. H. M., Brink, J. van den, Grüninger, M.
Spin-orbit coupling locks spin direction and spatial orientation and generates, in semi-classical magnets, a local spin easy-axis and associated ordering. Quantum spin-1/2's defy this fate: rather than spins becoming locally anisotropic, the spin-spi
Externí odkaz:
http://arxiv.org/abs/2301.08340
Akademický článek
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Autor:
Sofer, S., Sefi, O., Strizhevsky, E., Collins, S. P., Detlefs, B., Sahle, Ch. J., Shwartz, S.
Nonlinear interactions between x-rays and long wavelengths can be used as a powerful atomic scale probe for light-matter interactions and for properties of valence electrons. This probe can provide novel microscopic information in solids that existin
Externí odkaz:
http://arxiv.org/abs/1904.13146
Autor:
Davies, N. R., Topping, C. V., Jacobsen, H., Princep, A. J., Kirschner, F. K. K., Rahn, M. C., Bristow, M., Vale, J. G., da Silva, I., Baker, P. J., Sahle, Ch. J., Guo, Y. -F., Yan, D. -Y., Shi, Y. -G., Blundell, S. J., McMorrow, D. F., Boothroyd, A. T.
Publikováno v:
Phys. Rev. B 99, 174442 (2019)
We present AC and DC magnetometry, heat capacity, muon spin relaxation ($\mu$SR) and resonant inelastic X-ray scattering (RIXS) studies of the pyrochlore osmate Y$_2$Os$_2$O$_7$. We observe a non-zero effective moment governed by $\sqrt{f}\mu_{\rm{ef
Externí odkaz:
http://arxiv.org/abs/1808.01530
Akademický článek
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