Search Results - "Biesner, Tobias"

Two Linear Regimes in Optical Conductivity of a Type-I Weyl Semimetal: The Case of Elemental Tellurium by Rodriguez, Diego, Tsirlin, Alexander A, Biesner, Tobias, Ueno, Teppei, Takahashi, Takeshi, Kobayashi, Kaya, Dressel, Martin, Uykur, Ece

“…Employing high-pressure infrared spectroscopy we unveil the Weyl semimetal phase of elemental Te and its topological properties. The linear frequency…”
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Pressure-Tuned Interactions in Frustrated Magnets: Pathway to Quantum Spin Liquids? by Biesner, Tobias, Uykur, Ece

“…Quantum spin liquids are prime examples of strongly entangled phases of matter with unconventional exotic excitations. Here, strong quantum fluctuations…”
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CMOS-Compatible Antimony-Doped Germanium Epilayers for Mid-Infrared Low-Loss High-Plasma-Frequency Plasmonics by Chong, Haining, Xu, Zemin, Wang, Zhewei, Yu, Jianbo, Biesner, Tobias, Dressel, Martin, Wu, Lan, Li, Qiang, Ye, Hui

“…Antimony (Sb) heavily-doped germanium (Ge)-on-silicon (Si) epitaxial films are investigated as mid-infrared (MIR) plasmonic materials. Structural, electrical,…”
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Spectroscopic trace of the Lifshitz transition and multivalley activation in thermoelectric SnSe under high pressure by Biesner, Tobias, Li, Weiwu, Tsirlin, Alexander A., Roh, Seulki, Wei, Pai-Chun, Uykur, Ece, Dressel, Martin

“…Multivalley systems offer not only exciting physical phenomena but also the possibility of broad utilization. Identifying an important platform and…”
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Generation of THz Vortex Beams and Interferometric Determination of Their Topological Charge by Pinnock, Samuel W., Roh, Seulki, Biesner, Tobias, Pronin, Artem V., Dressel, Martin

“…In this article, we developed and demonstrated the efficacy of 3-D printed spiral phase plates (SPPs) for the generation of vortex terahertz (THz) beams with…”
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Multi‐Center Magnon Excitations Open the Entire Brillouin Zone to Terahertz Magnetometry of Quantum Magnets by Biesner, Tobias, Roh, Seulki, Razpopov, Aleksandar, Willwater, Jannis, Süllow, Stefan, Li, Ying, Zoch, Katharina M., Medarde, Marisa, Nuss, Jürgen, Gorbunov, Denis, Skourski, Yurii, Pustogow, Andrej, Brown, Stuart E., Krellner, Cornelius, Valentí, Roser, Puphal, Pascal, Dressel, Martin

“…Due to the small photon momentum, optical spectroscopy commonly probes magnetic excitations only at the center of the Brillouin zone; however, there are ways…”
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Magnetic terahertz resonances above the N\'eel temperature in the frustrated kagome antiferromagnet averievite by Biesner, Tobias, Roh, Seulki, Pustogow, Andrej, Zheng, Hong, Mitchell, J. F, Dressel, Martin

“…Phys. Rev. B 105, L060410 (2022) Time-domain magneto-THz spectroscopy is utilized to study the frustrated magnet averievite…”
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Multi-Center Magnon Excitations Open the Entire Brillouin Zone to Terahertz Magnetometry of Quantum Magnets by Biesner, Tobias, Roh, Seulki, Razpopov, Aleksandar, Willwater, Jannis, Süllow, Stefan, Li, Ying, Zoch, Katharina M, Medarde, Marisa, Nuss, Jürgen, Gorbunov, Denis, Skourski, Yurii, Pustogow, Andrej, Brown, Stuart E, Krellner, Cornelius, Valentí, Roser, Puphal, Pascal, Dressel, Martin

“…Due to the small photon momentum, optical spectroscopy commonly probes magnetic excitations only at the center of the Brillouin zone; however, there are ways…”
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Two linear regimes in optical conductivity of a Type-I Weyl semimetal: the case of elemental tellurium by Rodriguez, Diego, Tsirlin, Alexander A, Biesner, Tobias, Ueno, Teppei, Takahashi, Takeshi, Kobayashi, Kaya, Dressel, Martin, Uykur, Ece

“…Phys. Rev. Lett. 124, 136402 (2020) Employing high-pressure infrared spectroscopy we unveil the Weyl semimetal phase of elemental Te and its topological…”
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Optical signatures of phase transitions and structural modulation in elemental tellurium under pressure by Rodriguez, Diego, Tsirlin, Alexander A, Biesner, Tobias, Ueno, Teppei, Takahashi, Takeshi, Kobayashi, Kaya, Dressel, Martin, Uykur, Ece

“…Phys. Rev. B 101, 174104 (2020) A room-temperature infrared spectroscopy study of elemental tellurium at pressures up to 8.44 GPa in the energy range 0.015-2…”
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Magnetic-order-driven metal-insulator transitions in the quasi-one-dimensional spin-ladder compounds BaFe$_2$S$_3$ and BaFe$_2$Se$_3 by Roh, Seulki, Shin, Soohyeon, Jang, Jaekyung, Lee, Seokbae, Lee, Myounghoon, Seo, Yu-Seong, Li, Weiwu, Biesner, Tobias, Dressel, Martin, Rhee, Joo Yull, Park, Tuson, Hwang, Jungseek

“…Physical Review B 101, 115118 (2020) The quasi-one-dimensional spin ladder compounds, BaFe$_2$S$_3$ and BaFe$_2$Se$_3$, are investigated by infrared…”
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Detuning the Honeycomb of $\alpha$-RuCl$_{3}$: Pressure-Dependent Optical Studies Reveal Broken Symmetry by Biesner, Tobias, Biswas, Sananda, Li, Weiwu, Saito, Yohei, Pustogow, Andrej, Altmeyer, Michaela, Wolter, Anja U. B, Büchner, Bernd, Roslova, Maria, Doert, Thomas, Winter, Stephen M, Valentí, Roser, Dressel, Martin

“…Phys. Rev. B 97, 220401 (2018) The honeycomb Mott insulator $\alpha$-RuCl$_3$ loses its low-temperature magnetic order by pressure. We report clear evidence…”
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