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Non-equilibrium pathways to emergent polar supertextures
Vladimir A. Stoica, Tiannan Yang, Sujit Das +31
Ultrafast stimuli can stabilize metastable states of matter inaccessible by equilibrium means. Establishing the spatiotemporal link between ultrafast excitation and metastability i…
Bright Fluorophores in the Second Near-Infrared Window: HgSe/CdSe Quantum Dots
Ananth Kamath, Richard D. Schaller, Philippe Guyot-Sionnest
Fluorophores emitting in the NIR-IIb wavelength range (1.5 micron - 1.7 micron) show great potential for bioimaging due to their large tissue penetration. However, current fluoroph…
Controlling polarization of spintronic THz emitter by remanent magnetization texture
Weipeng Wu, Sergi Lendinez, Mojtaba Taghipour Kaffash +3
Terahertz (THz) sciences and technologies have contributed to a rapid development of a wide range of applications and expanded the frontiers in fundamental science. Spintronic tera…
Vibrational relaxation dynamics in layered perovskite quantum wells
Li Na Quan, Yoonjae Park, Peijun Guo +8
Organic-inorganic layered perovskites are two-dimensional quantum wells with layers of lead-halide octahedra stacked between organic ligand barriers. The combination of their diele…
Chiral charge-density wave in TiSe due to photo-induced structural distortions
Darshana Wickramaratne, Richard Schaller, Gary Wiederrecht +2
A variety of experiments have been carried out to establish the origin of the chiral charge-density wave transition in 1T-TiSe, which in turn has led to contradictory conclusio…
Phonon-pump electronic-probe study of methylammonium lead iodide reveals electronically decoupled organic and inorganic sublattices
Peijun Guo, Arun Mannodi-Kanakkithodi, Jue Gong +10
Organic-inorganic hybrid perovskites such as methylammonium lead iodide (CH3NH3PbI3) are game-changing semiconductors for solar cells and light-emitting devices owing to their exce…