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Resonant spin amplification and accumulation in MAPbI single crystals
Erik Kirstein, Dmitri R. Yakovlev, Evgeny A. Zhukov +4
Quantum technologic and spintronic applications require reliable semiconducting materials that enable a significant, long-living spin polarization of electronic excitations and off…
Effect of crystal symmetry of lead halide perovskites on the optical orientation of excitons
Nataliia E. Kopteva, Dmitri R. Yakovlev, Eyüp Yalcin +8
The great variety of lead halide perovskite semiconductors represents an outstanding platform for studying crystal symmetry effects on the spin-dependent properties. Access to them…
Scaling of Hybrid QDs-Graphene Photodetectors to Subwavelength Dimension
Gökhan Kara, Patrik Rohner, Erfu Wu +6
Emerging colloidal quantum dot (cQD) photodetectors currently challenge established state-of-the-art infrared photodetectors in response speed, spectral tunability, simplicity of s…
Disentangling the Effects of Structure and Lone-Pair Electrons in the Lattice Dynamics of Halide Perovskites
Sebastián Caicedo-Dávila, Adi Cohen, Silvia G. Motti +8
Metal halide perovskites have shown great performance as solar energy materials, but their outstanding optoelectronic properties are paired with unusually strong anharmonic effects…
Strong light-matter coupling in lead halide perovskite quantum dot solids
Clara Bujalance, Laura Calio, Dmitry N. Dirin +6
Strong coupling between lead halide perovskite materials and optical resonators enables both the polaritonic control of the photophysical properties of these emerging semiconductor…
Evidencing the squeezed dark nuclear spin state in lead halide perovskites
E. Kirstein, D. S. Smirnov, E. A. Zhukov +6
Coherent many-body states are highly promising for robust and scalable quantum information processing. While far-reaching theoretical predictions have been made for various impleme…
Coherent Spin Dynamics of Electrons in Two-Dimensional (PEA)PbI Perovskites
Erik Kirstein, Evgeny A. Zhukov, Dmitri R. Yakovlev +6
The versatile potential of lead halide perovskites and two-dimensional materials is merged in the Ruddlesen-Popper perovskites having outstanding optical properties. Here, the cohe…
Direct observation of ultrafast lattice distortions during exciton-polaron formation in lead-halide perovskite nanocrystals
Hélène Seiler, Daniela Zahn, Victoria C. A. Taylor +4
The microscopic origin of slow carrier cooling in lead-halide perovskites remains debated, and has direct implications for applications. Slow carrier cooling has been attributed to…
Phonon-Mediated Attractive Interactions between Excitons in Lead-Halide-Perovskites
Nuri Yazdani, Maryna I. Bodnarchuk, Federica Bertolotti +20
Understanding the origin of electron-phonon coupling in lead-halide perovskites (LHP) is key to interpreting and leveraging their optical and electronic properties. Here we perform…
The Landé factors of electrons and holes in lead halide perovskites: universal dependence on the band gap
E. Kirstein, D. R. Yakovlev, M. M. Glazov +16
The Landé or -factors of charge carriers are decisive for the spin-dependent phenomena in solids and provide also information about the underlying electronic band structure. We…
Atomic-level description of thermal fluctuations in inorganic lead halide perovskites
Oliviero Cannelli, Julia Wiktor, Nicola Colonna +10
The potential of lead-halide perovskites for realistic applications is currently hindered by their limited long-term stability under functional activation. While the role of lattic…
Synthesis and Characterization of the Ternary Nitride Semiconductor ZnVN: Theoretical Prediction, Combinatorial Screening and Epitaxial Stabilization
Siarhei Zhuk, Andrey A. Kistanov, Simon C. Boehme +5
Computationally guided high-throughput synthesis is used to explore the Zn-V-N phase space, resulting in the synthesis of a novel ternary nitride ZnVN. Following a combinat…
Quantifying Photoinduced Polaronic Distortions in Inorganic Lead Halide Perovskites Nanocrystals
Oliviero Cannelli, Nicola Colonna, Michele Puppin +16
The development of next generation perovskite-based optoelectronic devices relies critically on the understanding of the interaction between charge carriers and the polar lattice i…
Evidence of large polarons in photoemission band mapping of the perovskite semiconductor CsPbBr
M. Puppin, S. Polishchuk, N. Colonna +16
Lead-halide perovskite (LHP) semiconductors are emergent optoelectronic materials with outstanding transport properties which are not yet fully understood. We find signatures of la…
Coherent spin dynamics of electrons and holes in CsPbBr perovskite crystals
Vasilii V. Belykh, Dmitri R. Yakovlev, Mikhail M. Glazov +6
The lead halide perovskites demonstrate huge potential for optoelectronic applications, high energy radiation detectors, light emitting devices and solar energy harvesting. Those m…
Localized holes and delocalized electrons in photoexcited inorganic perovskites: Watching each atomic actor by picosecond X-ray absorption spectroscopy
Fabio G. Santomauro, Jakob Grilj, Lars Mewes +16
We report on an element-selective study of the fate of charge carriers in photoexcited inorganic CsPbBr3 and CsPb(ClBr)3 perovskite nanocrystals (NCs) in toluene solutions using ti…