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7 papers · 2 filters
Anisotropic structural dynamics of monolayer crystals revealed by femtosecond surface x-ray scattering
I-Cheng Tung, Aravind Krishnamoorthy, Sridhar Sadasivam +22
X-ray scattering is one of the primary tools to determine crystallographic configuration with atomic accuracy. However, the measurement of ultrafast structural dynamics in monolaye…
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…
Anharmonic stabilization and lattice heat transport in rocksalt -GeTe
Yi Xia, Maria K. Y. Chan
Peierls-Boltzmann transport equation, coupled with third-order anharmonic lattice dynamics calculations, has been widely used to model lattice thermal conductivity () in bul…
Ultrasensitive Detection Enabled by Nonlinear Magnetization of Nanomagnetic Labels
M. P. Nikitin, A. V. Orlov, I. L. Sokolov +6
Geometrically confined magnetic particles due to their unique response to external magnetic fields find a variety of applications, including magnetic guidance, heat and drug delive…
PdSe Monolayer: A Promising Two Dimensional Thermoelectric Material with Ultralow Lattice Thermal Conductivity and High Power Factor
S. Shahab Naghavi, Jiangang He, Yi Xia +1
A high power factor and low lattice thermal conductivity are two essential ingredients of highly efficient thermoelectric materials. Although monolayers of transition metal dichalc…
High -type thermoelectric power factor and efficiency in BaBiAu from a highly dispersive band
Junsoo Park, Yi Xia, Vidvuds Ozoliņš
Using first-principles density-functional theory calculations, we predict the potential for unprecedented thermoelectric efficiency at 800 K in -type BaBiAu full-He…