59 citations · 145 across the 30 of their papers we have counts for
33 papers
Remote magnon sensing detects the universal phase stiffness jump in BiSrCaCuO
Yue Sun, Mai Nguyen, Naiyuan James Zhang +14
Phase stiffness governs macroscopic quantum coherence in superfluids and superconductors, providing a sensitive probe of condensate depletion, fluctuations, and phase transitions.…
Probing temperature dependent non-radiative decay channels in CrSBr with nonlinear optics
Minjiang Dan, Till Weickhardt, Paul Herrmann +9
Among the recently discovered layered magnetic materials, the antiferromagnet CrSBr has attracted considerable interest thanks to its stability, quasi-one-dimensional crystal struc…
Geometry-Controlled Magnetic and Electronic Landscapes in Anisotropic van der Waals Materials
Maciej Śmiertka, Ewelina Cybula, Oliwia Janikowska +10
Electronic structure in van der Waals materials is commonly engineered through composition, strain, electrostatic gating and heterostructure assembly. Here we introduce geometronic…
Extreme Polarization of the Optical Gap and High-Energy Exciton Landscape in CrSBr
Sayantan Patra, Sourabh Jain, Bhumika Chauhan +8
We reveal a strongly anisotropic excitonic landscape in monolayer and bulk-like CrSBr using optical absorption spectroscopy and -Bethe-Salpeter equation ca…
Excitonic fingerprints of magnetic configurations and switching in multilayer CrSBr
Lukas Krelle, Ryan Tan, Jakob Conradi +6
The coupling between electronic states and magnetism provides a route towards optical readout and control of magnetic information. In the magnetic semiconductor CrSBr, excitons are…
Detecting Magnetic Phase Transitions in Ion-Irradiated CrSBr Through Resonant Raman Scattering
Daria I. Markina, Alison Pfister, Priyanka Mondal +9
Controlling magnetic phases and accurately determining their transition temperatures are essential for the development of low-dimensional magnetic materials. Here, we demonstrate t…
Manipulation of localized excitons in CrPS by temperature and magnetic field
Dipankar Jana, Swagata Acharya, Amit Pawbake +9
Layered van der Waals magnetic semiconductors provide a versatile platform for exploring excitonic phenomena intertwined with spin and lattice degrees of freedom, enabling excitons…
Optical switching of magnetic order in few-layer CrSBr
Lukas Husel, Julian Trapp, Moritz Würf +7
Manipulating magnetism with light is crucial for both fundamental understanding and technological advancements of information storage devices. The layered antiferromagnet CrSBr, pa…
Visualization of Defect Electronic States in Layered Semiconductor CrSBr
Jonathan Brunette, Joost Aretz, Kiyoung Jo +5
Chromium sulfur bromide (CrSBr) is a layered magnetic semiconducting material combining a rich magnetic phase diagram with axis-dependent electronic and optical properties. While d…
Growth-controlled suppression of electrically active defects in CrSBr
Sara R. Tulchinsky, Sergii Grytsiuk, Shen van Hassel +7
In CrSBr, as in many crystalline materials, the type and density of defects are expected to strongly influence material behavior. Identifying the underlying atomic defect configura…
Tunable Magneto-Excitonic Coupling in Alloyed van der Waals Antiferromagnet
Maciej Smiertka, Oliwia Janikowska, Katarzyna Olkowska-Pucko +18
The unique coupling between magnetic order and photo-generated excitons, electron-hole pairs bound by Coulomb interaction, in layered magnetic semiconductors offers a powerful mech…
Direct Nanoscale Pyroelectric Characterization of a CuInPS van der Waals Nanogenerator
Valentin Fonck, Roop K. Mech, Mohammadali Razeghi +8
Pyroelectric energy conversion offers a route for harvesting time-dependent thermalfluctuations that are abundant in natural and technological environments. Twodimensional ferroele…
Quantification of magnetic interactions in van der Waals heterostructures using Lorentz transmission electron microscopy and electron holography
Joachim Dahl Thomsen, Qianqian Lan, Nikolai S. Kiselev +4
Magnetic van der Waals (vdW) materials are promising for memory and logic applications because of their highly tunable magnetic properties and compatibility with vdW heterostructur…
A Sliding Ferroelectric Resonant Tunnel Junction
Noam Raab, Renu Yadav, Yakov Bloch +7
Ferroelectric tunnel junctions (FTJs) leverage polarization-dependent tunneling through ultrathin barriers to enable two-terminal, non-volatile memory and logic. Although conceptua…
Giant optical anisotropy and visible-frequency epsilon-near-zero in hyperbolic van der Waals MoOCl2
Georgy Ermolaev, Adilet Toksumakov, Aleksandr Slavich +13
The realization of extreme optical anisotropy is foundational to nanoscale light manipulation. Van der Waals (vdW) crystal MoOCl2 has emerged as a promising candidate for this ques…
Optical Readout of Reconfigurable Layered Magnetic Domain Structure in CrSBr
Aleksandra Łopion, Pierre-Maurice Piel, Thomas Kliewer +9
The van der Waals magnetic semiconductor CrSBr combines multistable magnetic order with strong light--matter coupling, enabling optical access to a rich and reconfigurable layered…
Space-Charge-Limited van der Waals Spin Transistor
Thomas K. M. Graham, Yu-Xuan Wang, Niranjana Renjith Nair +5
Integrating semiconducting and magnetic materials could combine transistor-like operation with nonvolatility and enable architectures such as logic-in-memory. Here, we employ corre…
Twist-tuned exchange and hysteresis in a bilayer van der Waals magnet
Priyanka Mondal, Sonu Verma, Wenze Lan +9
Moiré superlattices in twisted bilayers enable profound reconstructions of the electronic bandstructure, giving rise to correlated states with remarkable tunability. Extending this…
Interplay of vibrational, electronic, and magnetic states in CrSBr
Daria I. Markina, Priyanka Mondal, Lukas Krelle +6
The van der Waals antiferromagnet CrSBr exhibits coupling of vibrational, electronic, and magnetic degrees of freedom, giving rise to distinctive quasi-particle interactions. We in…
Exciton transport driven by spin excitations in an antiferromagnet
Florian Dirnberger, Sophia Terres, Zakhar A. Iakovlev +5
A new class of optical quasiparticles called magnetic excitons recently emerged in magnetic van der Waals materials. Akin to the highly effective strategies developed for electrons…
Defect complexes in CrSBr revealed through electron microscopy and deep learning
Mads Weile, Sergii Grytsiuk, Aubrey Penn +9
Atomic defects underpin the properties of van der Waals materials, and their understanding is essential for advancing quantum and energy technologies. Scanning transmission electro…
Distinct Magneto-Optical Response of Frenkel and Wannier Excitons in CrSBr
Maciej Smiertka, Michal Rygala, Katarzyna Posmyk +10
This study shows that CrSBr hosts Frenkel-like and Wannier-Mott-like excitons whose distinct spatial character explains their contrasting sensitivity to magnetic order and lattice…
All-electrical near-field injection of excitons in a van der Waals antiferromagnet
Jonas D. Ziegler, Sotirios Papadopoulos, Antti J. Moilanen +8
Van der Waals materials have become a promising building block for future electronics and photonics. The two-dimensional magnet CrSBr came into the spotlight of solid state researc…
Magnetically Modulated Electrical Switching in an Antiferromagnetic Transistor
Chung-Tao Chou, Eugene Park, Josep Ingla-Aynes +6
A spin version of transistor, where magnetism is used to influence electrical behaviors of the semiconductor, has been a long-pursued device concept in spintronics. In this work, w…