Publications

2022

(3 Publications)

Time-reversal symmetry-breaking charge order in a kagome superconductor

C. Mielke, D. Das, J. Yin, H. Liu, R. Gupta, Y. Jiang, M. Medarde, X. Wu, H. Lei, J. Chang, P. Dai, Q. Si, H. Miao, R. Thomale, T. Neupert, Y. Shi, R. Khasanov, M. Hasan, H. Luetkens, and Z. Gugushia

Photon Echo Polarimetry of Excitons and Biexcitons in a ${\mathrm{CH}}_{3}{\mathrm{NH}}_{3}{\mathrm{PbI}}_{3}$ Perovskite Single Crystal

A. V. Trifonov, S. Grisard, A. N. Kosarev, I. A. Akimov, D. R. Yakovlev, J. Höcker, V. Dyakonov, and M. Bayer

Electro-optical Switching of a Topological Polariton Laser

P. Gagel, T. H. Harder, S. Betzold, O. A. Egorov, J. Beierlein, H. Suchomel, M. Emmerling, A. Wolf, U. Peschel, S. Höfling, C. Schneider, and S. Klembt

2021

(35 Publications)

Long-lived spin-polarized intermolecular exciplex states in thermally activated delayed fluorescence-based organic light-emitting diodes

S. Weissenseel, A. Gottscholl, R. Bönnighausen, V. Dyakonov, and A. Sperlich

Unveiling the Orbital Texture of 1T-TiTe$_2$ using Intrinsic Linear Dichroism in Multidimensional Photoemission Spectroscopy

S. Beaulieu, M. Schüler, J. Schusser, S. Dong, T. Pincelli, J. Maklar, A. Neef, F. Reinert, M. Wolf, L. Rettig, J. Minár, and R. Ernstorfer

Partial gap in two-leg ladders with Rashba effect and its experimental signatures in Si(553)-Au

P. Chudzinski, J. Aulbach, J. Schäfer, R. Claessen, and L. Dudy

Quasi-1D exciton channels in strain-engineered 2D materials

F. Dirnberger, J. D. Ziegler, P. E. F. Junior, R. Bushati, T. Taniguchi, K. Watanabe, J. Fabian, D. Bougeard, A. Chernikov, and V. M. Menon

Kagome Flatbands for Coherent Exciton-Polariton Lasing

T. H. Harder, O. A. Egorov, C. Krause, J. Beierlein, P. Gagel, M. Emmerling, C. Schneider, U. Peschel, S. Höfling, and S. Klembt

Photoemission study of pristine and Ni-doped SrTiO$_{3}$ thin films

F. Alarab, K. Hricovini, B. Leikert, L. Nicolaï, M. Fanciulli, O. Heckmann, C. Richter, L. Prušakova, Z. Jansa, P. Šutta, J. Rault, P. Lefevre, M. Sing, M. Muntwiler, R. Claessen, and J. Minár

Control of Emission Characteristics of Perovskite Lasers through Optical Feedback

A. Palatnik, C. Cho, C. Zhan, M. Sudzius, M. Kroll, S. Meister, and K. Leo

Topological insulator vertical-cavity laser array

A. Dikopoltsev, T. H. Harder, E. Lustig, O. A. Egorov, J. Beierlein, A. Wolf, Y. Lumer, M. Emmerling, C. Schneider, S. Höfling, M. Segev, and S. Klembt

Tailoring Plasmonics of Au@Ag Nanoparticles by Silica Encapsulation

J. Schultz, F. Kirner, P. Potapov, B. Büchner, L. Axel, and E. V. Sturm

Light detection nears its quantum limit

S. Klembt

Narrow-band high-lying excitons with negative-mass electrons in monolayer WSe2

K. Lin, C. S. Ong, S. Bange, P. E. F. Junior, B. Peng, J. D. Ziegler, J. Zipfel, C. Bäuml, N. Paradiso, K. Watanabe, T. Taniguchi, C. Strunk, B. Monserrat, J. Fabian, A. Chernikov, D. Y. Qiu, S. G. Louie, and J. M. Lupton

Effects of the Linear Polarization of Polariton Condensates in Their Propagation in Codirectional Couplers

E. Rozas, A. Yulin, J. Beierlein, S. Klembt, S. Höfling, O. Egorov, U. Peschel, I. A. Shelykh, M. Gundin, I. Robles-López, M. D. Martín, and L. Viña

Nonclassical Exciton Diffusion in Monolayer WSe$_2$

K. Wagner, J. Zipfel, R. Rosati, E. Wietek, J. D. Ziegler, S. Brem, R. Perea-Causín, T. Taniguchi, K. Watanabe, M. M. Glazov, E. Malic, and A. Chernikov

Room-Temperature Topological Polariton Laser in an Organic Lattice

M. Dusel, S. Betzold, T. H. Harder, M. Emmerling, J. Beierlein, J. Ohmer, U. Fischer, R. Thomale, C. Schneider, S. Höfling, and S. Klembt

Spin defects in hBN as promising temperature, pressure and magnetic field quantum sensors

A. Gottscholl, M. Diez, V. Soltamov, C. Kasper, A. Sperlich, M. Kianinia, C. Bradac, I. Aharonovich, and V. Dyakonov

Coupling Spin Defects in Hexagonal Boron Nitride to Monolithic Bullseye Cavities

J. E. Fröch, L. P. Spencer, M. Kianinia, D. D. Totonjian, M. Nguyen, A. Gottscholl, V. Dyakonov, M. Toth, S. Kim, and I. Aharonovich

One-dimensional planar topological laser

A. Palatnik, M. Sudzius, S. Meister, and K. Leo

Competing magnetic orders and multipolar Weyl fermions in 227 pyrochlore iridates

K. Ladovrechis, T. Meng, and B. Roy

Extreme Biomimetics: Designing of the First Nanostructured 3D Spongin–Atacamite Composite and its Application

D. Tsurkan, P. Simon, C. Schimpf, M. Motylenko, D. Rafaja, F. Roth, D. S. Inosov, A. A. Makarova, I. Stepniak, and I. Petrenko

Origin of the quasi-quantized Hall effect in ZrTe$_5$

S. Galeski, T. Ehmcke, R. Wawrzyńczak, P. M. Lozano, K. Cho, A. Sharma, S. Das, F. Küster, P. Sessi, M. Brando, R. Küchler, A. Markou, M. König, P. Swekis, C. Felser, Y. Sassa, Q. Li, G. Gu, M. Zimmermann, O. Ivashko, D. Gorbunov, S. Zherlitsyn, T. Förster, S. Parkin, J. Wosnitza, T. Meng, and J. Gooth

Relationship between Transport Anisotropy and Nematicity in FeSe

J. M. Bartlett, A. Steppke, S. Hosoi, H. Noad, J. Park, C. Timm, T. Shibauchi, A. P. Mackenzie, and C. W. Hicks

Field-induced intermediate ordered phase and anisotropic interlayer interactions in $\ensuremath{\alpha}-\mathrm{RuCl}_{3}$

C. Balz, L. Janssen, P. Lampen-Kelley, A. Banerjee, Y. H. Liu, J. Q. Yan, D. G. Mandrus, M. Vojta, and S. E. Nagler

Nonperturbative topological current in Weyl and Dirac semimetals in laser fields

R. M. A. Dantas, Z. Wang, P. Surówka, and T. Oka

Comparative growth study of ultrathin Bi films on clean and oxygen-reconstructed Nb(110)

R. Boshuis, A. Odobesko, F. Friedrich, J. Jung, and M. Bode

Room temperature memristive switching in nano-patterned $LaAlO_3/SrTiO_3$ wires with laterally defined gates

K. Miller, F. Hartmann, B. Leikert, S. Kuhn, J. Gabel, M. Sing, R. Claessen, and S. Höfling

Coherent Topological Polariton Laser

T. H. Harder, M. Sun, O. A. Egorov, I. Vakulchyk, J. Beierlein, P. Gagel, M. Emmerling, C. Schneider, U. Peschel, I. G. Savenko, S. Klembt, and S. Höfling

Anisotropic Ballistic Transport Revealed by Molecular Nanoprobe Experiments

M. Leisegang, R. Schindhelm, J. Kügel, and M. Bode

Recent Progress on Optoplasmonic Whispering-Gallery-Mode Microcavities

Y. Chen, Y. Yin, L. Ma, and O. G. Schmidt

Room temperature coherent control of spin defects in hexagonal boron nitride

A. Gottscholl, M. Diez, V. Soltamov, C. Kasper, A. Sperlich, M. Kianinia, C. Bradac, I. Aharonovich, and V. Dyakonov

Active Viscoelasticity of Odd Materials

D. Banerjee, V. Vitelli, F. Jülicher, and P. Surówka

Freestanding few-layer sheets of a dual topological insulator

M. Lê Anh, P. Potapov, A. Lubk, T. Doert, and M. Ruck

Propagative Oscillations in Codirectional Polariton Waveguide Couplers

J. Beierlein, E. Rozas, O. A. Egorov, M. Klaas, A. Yulin, H. Suchomel, T. H. Harder, M. Emmerling, M. D. Martín, I. A. Shelykh, C. Schneider, U. Peschel, L. Viña, S. Höfling, and S. Klembt

Coupled topological interface states

C. Schmidt, A. Palatnik, M. Sudzius, S. Meister, and K. Leo

Enhancement of basal plane electrocatalytic hydrogen evolution activity via joint utilization of trivial and non-trivial surface states

Q. Yang, C. Le, G. Li, T. Heine, C. Felser, and Y. Sun

Structural, optical and electronic properties of the wide bandgap topological insulator Bi$_{1.1}$Sb$_{0.9}$Te$_2$S

Y. E. Khatchenko, M. Yakushev, C. Seibel, H. Bentmann, M. Orlita, V. Golyashov, Y. Ponosov, N. Stepina, A. Mudriy, K. Kokh, O. Tereshchenko, F. Reinert, R. Martin, and T. Kuznetsova

2020

(39 Publications)

Coherence and Interaction in Confined Room-Temperature Polariton Condensates with Frenkel Excitons

S. Betzold, M. Dusel, O. Kyriienko, C. P. Dietrich, S. Klembt, J. Ohmer, U. Fischer, I. A. Shelykh, C. Schneider, and S. Höfling

Evolution of Structure and Electronic Correlations in a Series of BaT$_2$As$_2$ (T = Cr–Cu) Single Crystals

S. Selter, F. Scaravaggi, R. Kappenberger, M. Naumann, V. V. Romaka, M. Knupfer, S. Aswartham, A. U. B. Wolter, S. Wurmehl, and B. Büchner

Photophysics and Electronic Structure of Lateral Graphene/$MoS_2$ and Metal/$MoS_2$ Junctions

S. Subramanian, Q. T. Campbell, S. K. Moser, J. Kiemle, P. Zimmermann, P. Seifert, F. Sigger, D. Sharma, H. Al-Sadeg, M. Labella, D. Waters, R. M. Feenstra, R. J. Koch, C. Jozwiak, A. Bostwick, E. Rotenberg, I. Dabo, A. W. Holleitner, T. E. Beechem, U. Wurstbauer, and J. A. Robinson

Observation of tunable single-atom Yu-Shiba-Rusinov states

A. Odobesko, D. Di Sante, A. Kowalski, S. Wilfert, F. Friedrich, R. Thomale, G. Sangiovanni, and M. Bode

Identifying carbon as the source of visible single-photon emission from hexagonal boron nitride

N. Mendelson, D. Chugh, J. R. Reimers, T. S. Cheng, A. Gottscholl, H. Long, C. J. Mellor, A. Zettl, V. Dyakonov, P. H. Beton, S. V. Novikov, C. Jagadish, H. H. Tan, M. J. Ford, M. Toth, C. Bradac, and I. Aharonovich

Topological Quantum Materials from the Viewpoint of Chemistry

N. Kumar, S. N. Guin, K. Manna, C. Shekhar, and C. Felser

Interacting topological edge channels

J. Strunz, J. Wiedenmann, C. Fleckenstein, L. Lunczer, W. Beugeling, V. L. Müller, P. Shekhar, N. T. Ziani, S. Shamim, J. Kleinlein, H. Buhmann, B. Trauzettel, and L. W. Molenkamp

Spatially confined vector fields at material-induced resonances in near-field-coupled systems

H. Aminpour, L. M. Eng, and S. C. Kehr

Selective Out-of-Plane Optical Coupling between Vertical and Planar Microrings in a 3D Configuration

S. Valligatla, J. Wang, A. Madani, E. S. G. Naz, Q. Hao, C. N. Saggau, Y. Yin, L. Ma, and O. G. Schmidt

Small-Polaron Hopping and Low-Temperature (45-225 K) Photo-Induced Transient Absorption in Magnesium-Doped Lithium Niobate

S. Messerschmidt, A. Krampf, L. Vittadello, M. Imlau, T. Nörenberg, L. M. Eng, and D. Emin

Steering Directional Light Emission and Mode Chirality through Postshaping of Cavity Geometry

J. Wang, M. Tang, Y. Yang, Y. Yin, Y. Chen, C. N. Saggau, M. Zhu, X. Yuan, D. Karnaushenko, Y. Huang, L. Ma, and O. G. Schmidt

Exciton-polaritons in flatland: Controlling flatband properties in a Lieb lattice

T. H. Harder, O. A. Egorov, J. Beierlein, P. Gagel, J. Michl, M. Emmerling, C. Schneider, U. Peschel, S. Höfling, and S. Klembt

Controllable coherent absorption of counterpropagating laser beams in organic microcavities

C. Schmidt, M. Sudzius, S. Meister, H. Fröb, and K. Leo

Effect of uniaxial stress on the electronic band structure of NbP

C. Schindler, J. Noky, M. Schmidt, C. Felser, J. Wosnitza, and J. Gooth

Wafer-Scale High-Quality Microtubular Devices Fabricated via Dry-Etching for Optical and Microelectronic Applications

C. N. Saggau, F. Gabler, D. D. Karnaushenko, D. Karnaushenko, L. Ma, and O. G. Schmidt

Handedness-dependent quasiparticle interference in the two enantiomers of the topological chiral semimetal PdGa

P. Sessi, F. Fan, F. Küster, K. Manna, N. B. M. Schröter, J. Ji, S. Stolz, J. A. Krieger, D. Pei, T. K. Kim, P. Dudin, C. Cacho, R. Widmer, H. Borrmann, W. Shi, K. Chang, Y. Sun, C. Felser, and S. S. P. Parkin

Impact of the Energetic Landscape on Polariton Condensates' Propagation along a Coupler

E. Rozas, J. Beierlein, A. Yulin, M. Klaas, H. Suchomel, O. Egorov, I. A. Shelykh, U. Peschel, C. Schneider, S. Klembt, S. Höfling, M. D. Martín, and L. Viña

Incorporation of Europium in $\mathrm{Bi_2Te_3}$ Topological Insulator Epitaxial Films

C. I. Fornari, H. Bentmann, S. L. Morelhão, T. R. F. Peixoto, P. H. O. Rappl, A. Tcakaev, V. Zabolotnyy, M. Kamp, T. Lee, C. Min, P. Kagerer, R. C. Vidal, A. Isaeva, M. Ruck, V. Hinkov, F. Reinert, and E. Abramof

Unconventional chiral charge order in kagome superconductor KV$_3$Sb$_5$

Y. Jiang, J. Yin, M. M. Denner, N. Shumiya, B. R. Ortiz, G. Xu, Z. Guguchia, J. He, M. S. Hossain, X. Liu, J. Ruff, L. Kautzsch, S. S. Zhang, G. Chang, I. Belopolski, Q. Zhang, T. A. Cochran, D. Multer, M. Litskevich, Z. Cheng, X. P. Yang, Z. Wang, R. Thomale, T. Neupert, S. D. Wilson, and M. Z. Hasan

Nanostructured Borate Halides for Optical Second Harmonic Generation at Surfaces

D. Tan, B. Kirbus, L. M. Eng, and M. Ruck

Room temperature Organic Exciton-Polariton Condensate in a Lattice

M. Dusel, S. Betzold, O. A. Egorov, S. Klembt, J. Ohmer, U. Fischer, S. Höfling, and C. Schneider

Reciprocal skin effect and its realization in a topolectrical circuit

T. Hofmann, T. Helbig, F. Schindler, N. Salgo, M. Brzezińska, M. Greiter, T. Kiessling, D. Wolf, A. Vollhardt, A. Kabaši, C. H. Lee, A. Bilušić, R. Thomale, and T. Neupert

Generalized bulk–boundary correspondence in non-Hermitian topolectrical circuits

T. Helbig, T. Hofmann, S. Imhof, M. Abdelghany, T. Kiessling, L. W. Molenkamp, C. H. Lee, A. Szameit, M. Greiter, and R. Thomale

Electronic structure of epitaxial perovskite films in the two-dimensional limit: Role of the surface termination

P. Schütz, M. Kamp, D. Di Sante, A. Lubk, B. Büchner, G. Sangiovanni, M. Sing, and R. Claessen

Tuning transport across $MoS_2$/graphene interfaces via as-grown lateral heterostructures

S. Subramanian, K. Xu, Y. Wang, S. Moser, N. A. Simonson, D. Deng, V. H. Crespi, S. K. Fullerton-Shirey, and J. A. Robinson

Resource-Efficient Low-Temperature Synthesis of Microcrystalline $Pb_2B_5O_9X$ (X = $Cl$, $Br$) for Surfaces Studies by Optical Second Harmonic Generation

D. Tan, B. Kirbus, M. Rüsing, T. Pietsch, M. Ruck, and L. M. Eng

Bloch Oscillations of Hybrid Light-Matter Particles in a Waveguide Array

J. Beierlein, O. A. Egorov, T. H. Harder, P. Gagel, M. Emmerling, C. Schneider, S. Höfling, U. Peschel, and S. Klembt

Orbital-Driven Rashba Effect in a Binary Honeycomb Monolayer $AgTe$

M. Ünzelmann, H. Bentmann, P. Eck, T. Kißlinger, B. Geldiyev, J. Rieger, S. Moser, R. C. Vidal, K. Kißner, L. Hammer, M. A. Schneider, T. Fauster, G. Sangiovanni, D. Di Sante, and F. Reinert

Influence of Irradiation on Defect Spin Coherence in Silicon Carbide

C. Kasper, D. Klenkert, Z. Shang, D. Simin, A. Gottscholl, A. Sperlich, H. Kraus, C. Schneider, S. Zhou, M. Trupke, W. Kada, T. Ohshima, V. Dyakonov, and G. V. Astakhov

Strong and Weak Three-Dimensional Topological Insulators Probed by Surface Science Methods

M. Morgenstern, C. Pauly, J. Kellner, M. Liebmann, M. Pratzer, G. Bihlmayer, M. Eschbach, L. Plucinski, S. Otto, B. Rasche, M. Ruck, M. Richter, S. Just, F. Luepke, and B. Voigtlaender

Topological funneling of light

S. Weidemann, M. Kremer, T. Helbig, T. Hofmann, A. Stegmaier, M. Greiter, R. Thomale, and A. Szameit

Active viscoelasticity of odd materials

D. Banerjee, V. Vitelli, F. Jülicher, and P. Surówka

Initialization and read-out of intrinsic spin defects in a van der Waals crystal at room temperature

A. Gottscholl, M. Kianinia, V. Soltamov, S. Orlinskii, G. Mamin, C. Bradac, C. Kasper, K. Krambrock, A. Sperlich, M. Toth, I. Aharonovich, and V. Dyakonov

Heterogeneous catalysis at the surface of topological materials

G. Li and C. Felser

Phonon-induced near-field resonances in multiferroic $BiFeO_3$ thin films at infrared and THz wavelengths

L. Wehmeier, T. Nörenberg, T. V. A. G. de Oliveira, J. M. Klopf, S. Yang, L. W. Martin, R. Ramesh, L. M. Eng, and S. C. Kehr

Thickness dependence of the anomalous Nernst effect and the Mott relation of Weyl semimetal ${\mathrm{Co}}_{2}\mathrm{MnGa}$ thin films

G. H. Park, H. Reichlova, R. Schlitz, M. Lammel, A. Markou, P. Swekis, P. Ritzinger, D. Kriegner, J. Noky, J. Gayles, Y. Sun, C. Felser, K. Nielsch, S. T. B. Goennenwein, and A. Thomas

In Situ Induction of Strain in Iron Phosphide (FeP$_2$) Catalyst for Enhanced Hydroxide Adsorption and Water Oxidation

G. Li, Q. Yang, J. Rao, C. Fu, S. C. Liou, G. Auffermann, Y. Sun, and C. Felser

Correlating the Nanoscale Structural, Magnetic, and Magneto-Transport Properties in $SrRuO_3$-Based Perovskite Thin Films: Implications for Oxide Skyrmion Devices

G. Malsch, D. Ivaneyko, P. Milde, L. Wysocki, L. Yang, P. H. M. van Loosdrecht, I. Lindfors-Vrejoiu, and L. M. Eng

Giant topological longitudinal circular photo-galvanic effect in the chiral multifold semimetal CoSi

Z. Ni, K. Wang, Y. Zhang, O. Pozo, B. Xu, X. Han, K. Manna, J. Paglione, C. Felser, A. G. Grushin, F. de Juan, E. J. Mele, and L. Wu

2019

(6 Publications)

Anisotropic field-induced ordering in the triangular-lattice quantum spin liquid ${\mathrm{NaYbSe}}_{2}$

K. M. Ranjith, S. Luther, T. Reimann, B. Schmidt, P. Schlender, J. Sichelschmidt, H. Yasuoka, A. M. Strydom, Y. Skourski, J. Wosnitza, H. Kühne, T. Doert, and M. Baenitz

Polarization-dependent near-field phonon nanoscopy of oxides: $SrTiO_3, LiNbO_3$, and $PbZr_{0.2}Ti_{0.8}O_3$

L. Wehmeier, D. Lang, Y. Liu, X. Zhang, S. Winnerl, L. M. Eng, and S. C. Kehr

Anatomy of skin modes and topology in non-Hermitian systems

C. H. Lee and R. Thomale

Comprehensive scan for nonmagnetic Weyl semimetals with nonlinear optical response

Q. Xu, Y. Zhang, K. Koepernik, W. Shi, J. v. d. Brink, C. Felser, and Y. Sun

Chemical Aspects of the Candidate Antiferromagnetic Topological Insulator MnBi$_2$Te$_4$

A. Zeugner, F. Nietschke, A. U. B. Wolter, S. Gaß, R. C. Vidal, T. R. F. Peixoto, D. Pohl, C. Damm, A. Lubk, R. Hentrich, S. K. Moser, C. Fornari, C. H. Min, S. Schatz, K. Kißner, M. Ünzelmann, M. Kaiser, F. Scaravaggi, B. Rellinghaus, K. Nielsch, C. Hess, B. Büchner, F. Reinert, H. Bentmann, O. Oeckler, T. Doert, M. Ruck, and A. Isaeva

Demonstration of a two-dimensional ${\cal P}{\cal T}$-symmetric crystal

M. Kremer, T. Biesenthal, L. J. Maczewsky, M. Heinrich, R. Thomale, and A. Szameit

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