Zobrazeno 1 - 10
of 671
pro vyhledávání: '"Hermann, V"'
Publikováno v:
Physical Review Letters, Feb. (2024)
Saturated absorption measurements of transitions in the (2-0) band of radioactive tritium hydride (HT) are performed with the ultra-sensitive NICE-OHMS intracavity absorption technique in the range 1460-1510 nm. The hyperfine structure of rovibration
Externí odkaz:
http://arxiv.org/abs/2401.14716
The R(1), R(3) and P(3) ro-vibrational transitions in the (2-0) overtone band of the HD molecule are measured in Doppler-free saturation using the technique of NICE-OHMS spectroscopy. For the P(3) line, hitherto not observed in saturation, we report
Externí odkaz:
http://arxiv.org/abs/2205.13877
Autor:
Lai, K. -F., Hermann, V., Trivikram, T. M., Diouf, M., Schlösser, M., Ubachs, W., Salumbides, E. J.
High-resolution coherent Raman spectroscopic measurements of all three tritium-containing molecular hydrogen isotopologues T$_2$, DT and HT were performed to determine the ground electronic state fundamental Q-branch ($v=0 \rightarrow 1, \Delta J = 0
Externí odkaz:
http://arxiv.org/abs/2003.11060
Autor:
Hermann, V., Ebad-Allah, J., Freund, F., Jesche, A., Tsirlin, A. A., Gegenwart, P., Kuntscher, C. A.
Publikováno v:
Phys. Rev. B 99, 235116 (2019)
We studied the effect of external pressure on the electrodynamic properties of $\alpha$-Li$_2$IrO$_3$ single crystals in the frequency range of the phonon modes and the Ir $d$-$d$ transitions. The abrupt hardening of several phonon modes under pressu
Externí odkaz:
http://arxiv.org/abs/1905.12456
Autor:
Hermann, V., Biswas, S., Ebad-Allah, J., Freund, F., Jesche, A., Tsirlin, A. A., Hanfland, M., Khomskii, D., Gegenwart, P., Valentí, R., Kuntscher, C. A.
Publikováno v:
Phys. Rev. B 100, 064105 (2019)
We use powder x-ray diffraction to study the effect of pressure on the crystal structure of the honeycomb rhodate Li$_2$RhO$_3$. We observe low-pressure ($P$$<$$P_{c1}$ = 6.5 GPa) and high-pressure ($P$$>$$P_{c2}$ = 14 GPa) regions corresponding to t
Externí odkaz:
http://arxiv.org/abs/1905.04930
Autor:
Hermann, V., Altmeyer, M., Ebad-Allah, J., Freund, F., Jesche, A., Tsirlin, A. A., Hanfland, M., Gegenwart, P., Mazin, I. I., Khomskii, D. I., Valentí, R., Kuntscher, C. A.
Publikováno v:
Phys. Rev. B 97, 020104 (2018)
Single-crystal x-ray diffraction studies with synchrotron radiation on the honeycomb iridate $\alpha$-Li$_{2}$IrO$_{3}$ reveal a pressure-induced structural phase transition with symmetry lowering from monoclinic to triclinic at a critical pressure o
Externí odkaz:
http://arxiv.org/abs/1712.01669
Autor:
Hermann, V., Ebad-Allah, J., Freund, F., Pietsch, I. M., Jesche, A., Tsirlin, A. A., Deisenhofer, J., Hanfland, M., Gegenwart, P., Kuntscher, C. A.
Publikováno v:
Phys. Rev. B 96, 195137 (2017)
We study the effect of isoelectronic doping and external pressure in tuning the ground state of the honeycomb iridate Na$_2$IrO$_3$ by combining optical spectroscopy with synchrotron x-ray diffraction measurements on single crystals. The obtained opt
Externí odkaz:
http://arxiv.org/abs/1711.00713
Akademický článek
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Autor:
Kuma, Hermann V. A.
This book demonstrates that because blood sanctifies, consecrates and purifies, the Greek word for blood provided the best expression for the unique role of Christ as self-sacrificing High Priest in the Epistle to the Hebrews.