Search Results - "Rappl, Paulo H. O."

Magnetic Control of Soft Chiral Phonons in PbTe by Baydin, Andrey, Hernandez, Felix G G, Rodriguez-Vega, Martin, Okazaki, Anderson K, Tay, Fuyang, Noe, G Timothy, Katayama, Ikufumi, Takeda, Jun, Nojiri, Hiroyuki, Rappl, Paulo H O, Abramof, Eduardo, Fiete, Gregory A, Kono, Junichiro

“…PbTe crystals have a soft transverse optical phonon mode in the terahertz frequency range, which is known to efficiently decay into heat-carrying acoustic…”
Get full text

Observation of interplay between phonon chirality and electronic band topology by Hernandez, Felix G G, Baydin, Andrey, Chaudhary, Swati, Tay, Fuyang, Katayama, Ikufumi, Takeda, Jun, Nojiri, Hiroyuki, Okazaki, Anderson K, Rappl, Paulo H O, Abramof, Eduardo, Rodriguez-Vega, Martin, Fiete, Gregory A, Kono, Junichiro

“…The recently demonstrated chiral modes of lattice motion carry angular momentum and therefore directly couple to magnetic fields. Notably, their magnetic…”
Get full text

Nanoscale characterization of bismuth telluride epitaxial layers by advanced X‐ray analysis by Morelhão, Sérgio L., Fornari, Celso I., Rappl, Paulo H. O., Abramof, Eduardo

“…The surface properties of topological insulators are strongly correlated with their structural properties, requiring high‐resolution techniques capable of…”
Get full text

Dynamics of Defects in van der Waals Epitaxy of Bismuth Telluride Topological Insulators by Morelhão, Sérgio L, Kycia, Stefan W, Netzke, Samuel, Fornari, Celso I, Rappl, Paulo H. O, Abramof, Eduardo

“…Potential applications in spintronics and quantum information processing have motivated much recent research in epitaxial films of bismuth telluride. This…”
Get full text

Incorporation of Europium in Bi2Te3 Topological Insulator Epitaxial Films by Fornari, Celso I, Bentmann, Hendrik, Morelhão, Sérgio L, Peixoto, Thiago R. F, Rappl, Paulo H. O, Tcakaev, Abdul-Vakhab, Zabolotnyy, Volodymyr, Kamp, Martin, Lee, Tien-Lin, Min, Chul-Hee, Kagerer, Philipp, Vidal, Raphael C, Isaeva, Anna, Ruck, Michael, Hinkov, Vladimir, Reinert, Friedrich, Abramof, Eduardo

“…In the field of topological materials, the interaction between band topology and magnetism remains a current frontier for the advancement of new topological…”
Get full text

Chiral Phonons with Giant Magnetic Moments in a Topological Crystalline Insulator by Hernandez, Felix G. G, Baydin, Andrey, Chaudhary, Swati, Tay, Fuyang, Katayama, Ikufumi, Takeda, Jun, Nojiri, Hiroyuki, Okazaki, Anderson K, Rappl, Paulo H. O, Abramof, Eduardo, Rodriguez-Vega, Martin, Fiete, Gregory A, Kono, Junichiro

“…We have studied the magnetic response of transverse optical phonons in Pb$_{1-x}$Sn$_{x}$Te films. Polarization-dependent terahertz magnetospectroscopy…”
Get full text

Terahertz Cavity Phonon Polaritons in the Deep-Strong Coupling Regime by Baydin, Andrey, Manjappa, Manukumara, Mishra, Sobhan Subhra, Xu, Hongjing, Doumani, Jacques, Tay, Fuyang, Kim, Dasom, Hernandez, Felix G. G., Rappl, Paulo H. O., Abramof, Eduardo, Singh, Ranjan, Kono, Junichiro

“…We have studied the resonant and nonperturbative coupling of transverse optical phonons in lead telluride with photons in small-mode-volume terahertz cavities,…”
Get full text

Magnetic Control of Soft Chiral Phonons in PbTe by Baydin, Andrey, Hernandez, Felix G. G, Rodriguez-Vega, Martin, Okazaki, Anderson K, Tay, Fuyang, NoeII, G. Timothy, Katayama, Ikufumi, Takeda, Jun, Nojiri, Hiroyuki, Rappl, Paulo H. O, Abramof, Eduardo, Fiete, Gregory A, Kono, Junichiro

“…Phys. Rev. Lett. 128, 075901 (2022) PbTe crystals have a soft transverse optical phonon mode in the terahertz frequency range, which is known to efficiently…”
Get full text

Hybrid reflections from multiple x-ray scattering in epitaxial bismuth telluride topological insulator films by Morelhão, Sérgio L., Kycia, Stefan, Netzke, Samuel, Fornari, Celso I., Rappl, Paulo H. O., Abramof, Eduardo

“…Epitaxial films of bismuth telluride topological insulators have received increasing attention due to their potential applications in spintronic and quantum…”
Get full text

Incorporation of Europium in Bi 2 Te 3 Topological Insulator Epitaxial Films by Fornari, Celso I., Bentmann, Hendrik, Morelhão, Sérgio L., Peixoto, Thiago R. F., Rappl, Paulo H. O., Tcakaev, Abdul-Vakhab, Zabolotnyy, Volodymyr, Kamp, Martin, Lee, Tien-Lin, Min, Chul-Hee, Kagerer, Philipp, Vidal, Raphael C., Isaeva, Anna, Ruck, Michael, Hinkov, Vladimir, Reinert, Friedrich, Abramof, Eduardo

Get full text

Deep-Strong Coupling between Cavity Photons and Terahertz TO Phonons in PbTe by Baydin, Andrey, Manjappa, Manukumara, Mishra, Sobhan Subhra, Xu, Hongjing, Tay, Fuyang, Kim, Dasom, Hernandez, Felix G. G., Rappl, Paulo H. O., Abramof, Eduardo, Singh, Ranjan, Kono, Junichiro

“…We have investigated the resonant coupling of photons with TO phonons in lead telluride in small-mode-volume terahertz cavities, observing a giant vacuum Rabi…”
Get full text

Morphology Control in van der Waals Epitaxy of Bismuth Telluride Topological Insulators by Fornari, Celso I, Abramof, Eduardo, Rappl, Paulo H. O, Kycia, Stefan W, Morelhão, Sérgio L

“…Bismuth telluride have regained significant attention as a prototype of topological insulator. Thin films of high quality have been investigated as a basic…”
Get full text

Hybrid reflections from multiple x-ray scattering in epitaxial bismuth telluride topological insulator films by Morelhao, Sergio L, Kycia, Stefan, Netzke, Samuel, Fornari, Celso I, Rappl, Paulo H. O, Abramof, Eduardo

“…Epitaxial films of bismuth telluride topological insulators have received increasing attention due to potential applications in spintronic and quantum…”
Get full text

Lateral lattice coherence lengths in thin films of bismuth telluride topological insulators, with overview on polarization factors for X-ray dynamical diffraction in monochromator crystals by Morelhao, Sergio L, Kycia, Stefan, Netzke, Samuel, Fornari, Celso I, Rappl, Paulo H. O, Abramof, Eduardo

“…In the supporting information file for article Dynamics of Defects in van der Waals Epitaxy of Bismuth Telluride Topological Insulators(J. Phys. Chem. C 2019,…”
Get full text

X-ray tools for van der Waals epitaxy of bismuth telluride topological insulator films by Kycia, Stefan, Morelhao, Sergio L, Netzke, Samuel, Fornari, Celso I, Rappl, Paulo H. O, Abramof, Eduardo

“…Potential applications in spintronics and quantum computing have motivated much recent research in epitaxial films of bismuth telluride. This system is also an…”
Get full text

Incipient antiferromagnetism in the Eu-doped topological insulator Bi$_2$Te$_3 by Tcakaev, Abdul, Zabolotnyy, Volodymyr B, Fornari, Celso I, Rüßmann, Philipp, Peixoto, Thiago R. F, Stier, Fabian, Dettbarn, Michael, Kagerer, Philipp, Weschke, Eugen, Schierle, Enrico, Bencok, Peter, Rappl, Paulo H. O, Abramof, Eduardo, Bentmann, Hendrik, Goering, Eberhard, Reinert, Friedrich, Hinkov, Vladimir

“…Phys. Rev. B 102, 184401 (2020) Rare earth ions typically exhibit larger magnetic moments than transition metal ions and thus promise the opening of a wider…”
Get full text

Nanoscale characterization of bismuth telluride epitaxic layers by advanced X-ray analysis by Morelhão, Sérgio L, Fornari, Celso I, Rappl, Paulo H. O, Abramof, Eduardo

“…Topological insulator surface properties are strongly correlated to structural properties, requiring high-resolution techniques capable of probing both surface…”
Get full text