Spin-Flip Raman Scattering on Electrons and Holes in Two-Dimensional (PEA)2 PbI4 Perovskites.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202300988
Abstract: The class of Ruddlesden-Popper type (PEA)2 PbI4 perovskites comprises 2D structures whose optical properties are determined by excitons with a large binding energy of about 260 meV. It complements the family of other 2D semiconductor materials… read more here.
Keywords: pbi4 perovskites; spin flip; flip raman; flip ... See more keywords
Managing local triplet excited states of boron-based TADF emitters for fast spin-flip process: Toward highly efficient TADF-OLEDs with low efficiency roll-off
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.130224
Abstract: Abstract Improving the rate of a spin-flip process from a triplet to a singlet excited state, which is known as reverse intersystem crossing (RISC), is a challenging issue in realizing efficient and stable organic light-emitting… read more here.
Keywords: flip process; local triplet; triplet; tadf oleds ... See more keywords
Improvement of singlet exciton induced by spin flip in conjugated polymers
Sign Up to like & getrecommendations! Published in 2018 at "Organic Electronics"
DOI: 10.1016/j.orgel.2018.04.041
Abstract: Abstract Improving the ratio of singlet exciton is an effective method to maximize the efficiency of organic light emitting diodes (OLEDs). The effects of spin conversion on exciton productivities remain hot and debating topics. In… read more here.
Keywords: spin flip; exciton; improvement singlet; singlet exciton ... See more keywords
First-order phase transition by a spin-flip potential in BCS superconductivity
Sign Up to like & getrecommendations! Published in 2019 at "Physica C: Superconductivity and its Applications"
DOI: 10.1016/j.physc.2019.05.007
Abstract: A spin-flip potential $V$ is introduced in a BCS Hamiltonian in order to study a possible thermodynamic effect that might be caused by the addition of a magnetic impurity in a superconductor. We found that… read more here.
Keywords: phase; first order; spin flip; flip potential ... See more keywords
Mixed-Reference Spin-Flip Time-Dependent Density Functional Theory for Accurate X-ray Absorption Spectroscopy.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.2c00746
Abstract: It is demonstrated that the challenging core-hole particle (CHP) orbital relaxation for core electron spectra can be readily achieved by the mixed-reference spin-flip (MRSF)-time-dependent density functional theory (TDDFT). With the additional scalar relativistic effects on… read more here.
Keywords: theory; mixed reference; time dependent; spin flip ... See more keywords
Comparison of Spin-Flip TDDFT-Based Conical Intersection Approaches with XMS-CASPT2
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Chemical Theory and Computation"
DOI: 10.1021/acs.jctc.9b00917
Abstract: Determining conical intersection geometries is of key importance to understanding the photochemical reactivity of molecules. While many small- to medium-sized molecules can be treated accurately using multireference approaches, larger molecules require a less computationally demanding… read more here.
Keywords: spin flip; flip tddft; conical intersection; xms caspt2 ... See more keywords
Strain-Dependent Band Splitting and Spin-Flip Dynamics in Monolayer WS2.
Sign Up to like & getrecommendations! Published in 2023 at "Nano letters"
DOI: 10.1021/acs.nanolett.3c00771
Abstract: Triggered by the expanding demands of semiconductor devices, strain engineering of two-dimensional transition metal dichalcogenides (TMDs) has garnered considerable research interest. Through steady-state measurements, strain has been proved in terms of its modulation of electronic… read more here.
Keywords: spin flip; dynamics monolayer; strain; spin ... See more keywords
Intravalley Spin-Flip Relaxation Dynamics in Single-Layer WS2.
Sign Up to like & getrecommendations! Published in 2018 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b02774
Abstract: In monolayer (1L) transition metal dichalcogenides (TMDs) the valence and conduction bands are spin-split because of the strong spin-orbit interaction. In tungsten-based TMDs the spin-ordering of the conduction band is such that the so-called dark… read more here.
Keywords: spin flip; intravalley spin; spin; flip relaxation ... See more keywords
Shedding Light on the Oxidizing Properties of Spin-Flip Excited States in a CrIII Polypyridine Complex and Their Use in Photoredox Catalysis
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c04465
Abstract: The photoredox activity of well-known RuII complexes stems from metal-to-ligand charge transfer (MLCT) excited states, in which a ligand-based electron can initiate chemical reductions and a metal-centered hole can trigger oxidations. CrIII polypyridines show similar… read more here.
Keywords: flip excited; polypyridine; spin flip; excited states ... See more keywords
Measuring the atomic spin-flip scattering rate by x-ray emission spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-45242-8
Abstract: While extensive work has been dedicated to the measurement of the demagnetization time following an ultra-short laser pulse, experimental studies of its underlying microscopic mechanisms are still scarce. In transition metal ferromagnets, one of the… read more here.
Keywords: spin flip; scattering rate; flip scattering; spectroscopy ... See more keywords
High-resolution resonance spin-flip Raman spectroscopy of pairs of manganese ions in a CdTe quantum well
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.241301
Abstract: We report the observation of tens of minor lines of the combinational spin-flip Raman scattering in a CdTe:Mn quantum well by means of the high-resolution optical spectroscopy. Classification of this manifold leads to four characteristic… read more here.
Keywords: cdte quantum; quantum well; high resolution; spectroscopy ... See more keywords