13 citations · 50 across the 12 of their papers we have counts for
12 papers
Approaching the Limit of Intrinsic Crystalline Thermal Insulation
Ruihuan Cheng, Zhiqiang Cui, Mani Jayaraman +9
Crystalline materials with ultralow thermal conductivity () are potential thermal barrier coatings or thermoelectrics, yet the discovery of ultralow- materials remains ineffi…
Orbital dimerization-induced first-order structural phase transition: a case study in LaNiO
Xingchen Shen, Wei Ku
First-order structural phase transition is a common phenomenon in materials that qualitatively alters their physical properties. Yet, the abrupt first-order nature is usually unexp…
Accelerated Discovery of Crystalline Materials with Record Ultralow Lattice Thermal Conductivity via a Universal Descriptor
Xingchen Shen, Jiongzhi Zheng, Michael Marek Koza +9
Ultralow glass-like lattice thermal conductivity in crystalline materials is crucial for enhancing energy conversion efficiency in thermoelectrics and thermal insulators. We introd…
Strong Crystalline Thermal Insulation Induced by Extended Antibonding States
Ruihuan Cheng, Chen Wang, Niuchang Ouyang +2
Crystalline solids with extreme insulation often exhibit a plateau or even an upward-sloping tail in thermal conductivity above room temperature. Herein, we synthesized a crystalli…
Diffuson-Dominated Thermal Transport Crossover from Ordered to Liquid-like CuBiS:The Negligible Role of Ion Hopping
Jincheng Yue, Jiongzhi Zheng, Xingchen Shen +7
Fundamentally understanding lattice dynamics and thermal transport behavior in liquid-like, partially occupied compounds remains a long-standing challenge in condensed matter physi…
Charge-density-wave quantum critical point under pressure in 2-TaSe
Yuliia Tymoshenko, Amir-Abbas Haghighirad, Rolf Heid +13
Suppressing of an ordered state that competes with superconductivity is one route to enhance superconducting transition temperatures. Whereas the effect of suppressing magnetic sta…
Realizing Intrinsically Glass-like Thermal Transport via Weakening the Ag-Ag Bonds in Ag Octahedra
Xingchen Shen, Zhonghao Xia, Jun Zhou +4
Crystals exhibiting glass-like and low lattice thermal conductivity () are not only scientifically intriguing but also practically valuable in various applications, incl…
Lone Pair Induced 1D Character and Weak Cation-anion Interactions: Two Ingredients for Low Thermal Conductivity in Mixed-anion Metal Chalcohalides
Xingchen Shen, Koushik Pal, Paribesh Acharyya +10
Mixed-anion compounds, which incorporate multiple types of anions into materials, displays tailored crystal structures and physical/chemical properties, garnering immense interests…
Hierarchical Characterization of Thermoelectric Performance in Copper-Based Chalcogenide CsCuS: Unveiling the role of Anharmonic Lattice Dynamics
Jincheng Yue, Jiongzhi Zheng, Junda Li +4
We explicitly consider both phonon energy shifts and broadening arising from both cubic and quartic anharmonicities, as well as diagonal/non-diagonal terms of heat flux operators i…
Geometric inhibition of superflow in single-layer graphene suggests a staggered-flux superconductivity in bilayer and trilayer graphene
Xinyao Zhang, Ruoshi Jiang, Xingchen Shen +3
In great contrast to the numerous discoveries of superconductivity in layer-stacked graphene systems, the absence of superconductivity in the simplest and cleanest monolayer graphe…
Pushing thermal conductivity to its lower limit in crystals with simple structures
Zezhu Zeng, Xingchen Shen, Ruihuan Cheng +7
Materials with low thermal conductivity usually have complex crystal structures. Herein we experimentally find that a simple crystal structure material AgTlI2 (I4/mcm) owns an extr…
Precursor phase with full phonon softening above the charge-density-wave phase transition in -TaSe
Xingchen Shen, Rolf Heid, Roland Hott +8
Research on charge-density-wave (CDW) ordered transition-metal dichalcogenides continues to unravel new states of quantum matter correlated to the intertwined lattice and electroni…