Hidden structures: a driving factor to achieve low thermal conductivity and high thermoelectric performance

D Sarkar, A Bhui, I Maria, M Dutta… - Chemical Society Reviews, 2024 - pubs.rsc.org
The long-range periodic atomic arrangement or the lack thereof in solids typically dictates
the magnitude and temperature dependence of their lattice thermal conductivity (κlat) …

A polymorphic memtransistor with tunable metallic and semiconducting channel

YA Eshete, E Hwang, J Kim, PL Nguyen… - Advanced …, 2023 - Wiley Online Library
Modulating semiconducting channel potential has been used for electrical switching in
transistors without biological plasticity operations that are critical for energy‐efficient …

Charge density wave surface reconstruction in a van der Waals layered material

SH Lee, D Cho - Nature communications, 2023 - nature.com
Surface reconstruction plays a vital role in determining the surface electronic structure and
chemistry of semiconductors and metal oxides. However, it has been commonly believed …

Recent progress in understanding the microscopic origin of triboelectricity from mechanochemistry to thermoelectricity

EC Shin, JH Mun, S Baek, J Jung… - Chemical Physics Reviews, 2023 - pubs.aip.org
Triboelectricity has long been discussed from ancient Greece to modern times in daily life
experiences as well as in the earliest stages of planet formation and the cutting-edge …

Nanoscale inhomogeneity and the evolution of correlation strength in FeSeS

Y Liu, A Wang, Q Du, L Wu, Y Zhu, C Petrovic - Nano Convergence, 2023 - Springer
We report a comprehensive study of the nanoscale inhomogeneity and disorder on the
thermoelectric properties of FeSe 1-x S x (0≤ x≤ 1) single crystals and the evolution of …

Melting-free integrated photonic memory with layered polymorphs

K Ullah, Q Li, T Li, T Gu - Nanophotonics, 2024 - degruyter.com
Chalcogenide-based nonvolatile phase change materials (PCMs) have a long history of
usage, from bulk disk memory to all-optic neuromorphic computing circuits. Being able to …

Detecting signatures of surface antibonding nodes through atomic-scale thermopower

S Baek, EC Shin, J Seo, YH Kim - Applied Surface Science, 2025 - Elsevier
Atomic-scale thermopower connotes rich physics of wave functions based on quantum
transport characteristics. Previous studies revealed that vestiges of wave function could be …

Nanoscale homojunction thermoelectric generator built in defect-engineered

S Baek, EC Shin, S Cho, HK Lyeo, YH Kim - Physical Review B, 2023 - APS
The relatively low efficiency and costly composition of conventional thermoelectric
generators (TEGs) hinder pragmatic usage despite their high Carnot efficiency. A PN …

Polymorphic Kondo Effects Driven by Spin Lattice Coupling in VTe2

D Won, DH Kiem, W Cho, SH Yang… - Advanced Functional …, 2024 - Wiley Online Library
Polymorphism in transition metal dichalcogenides (TMDs) allows unique physical properties
to be controlled, such as artificial heavy fermion phenomena, the quantum spin Hall effect …

High-resolution scanning tunneling microscope and its adaptation for local thermopower measurements in 2D materials

JD Bermúdez-Perez, E Herrera-Vasco… - Ultramicroscopy, 2024 - Elsevier
We present the design, fabrication and discuss the performance of a new combined high-
resolution Scanning Tunneling and Thermopower Microscope (STM/SThEM). We also …