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Unraveling a descriptor that is correlated with catalytic reactivity is essential for fast screening for the optimal catalysts for a given catalytic reaction. Herein, we propose bond-derived orbitalwise coordination number…

Materials Science · Physics 2018-05-04 Deyao Wu , Cunku Dong , Xi-Wen Du

As data-centric computing advances, energy-efficient interconnects are increasingly critical for AI-driven systems. Traditional metal conductors face severe limitations at nanoscale due to increased resistivity from surface scattering. In…

Understanding metal-semiconductor interfaces is critical to the advancement of photocatalysis and sub-bandgap solar energy harvesting where sub-bandgap photons can be excited and extracted into the semiconductor. In this work, we compare…

One of the major roadblocks for the establishment of 2D semiconductor technology for CMOS integrated circuits is lack of industry scalable doping techniques that lead to 2D FETs with comparable n-type and p-type behavior. Here we…

Applied Physics · Physics 2019-01-09 Ansh , J Kumar , R K Mishra , S Raghavan , Mayank Shrivastava

We demonstrate trapping in a surface-electrode ion trap fabricated in a 90-nm CMOS (complementary metal-oxide-semiconductor) foundry process utilizing the top metal layer of the process for the trap electrodes. The process includes doped…

Quantum Physics · Physics 2014-09-17 K. K. Mehta , A. M. Eltony , C. D. Bruzewicz , I. L. Chuang , R. J. Ram , J. M. Sage , J. Chiaverini

Titanium dioxide (TiO$_2$) thin films are commonly used as photocatalytic materials. Here, we enhance the photocatalytic activity of devices based on TiO$_2$ by combining nanostructured glass substrates with metallic plasmonic…

In recent years due to improvements in calculation methods and increased computer power, it has become possible to perform first-principles investigations for ``simple'' chemical reactions at surfaces. We have carried out such studies for…

Materials Science · Physics 2009-10-31 C. Stampfl , M. Scheffler

High Q phase gradient metasurfaces are becoming promising elements for revolutionizing light manipulation but near-field coupling typically forces a trade-off between quality factor and resolution. Here, we show a strategy for not just…

Optics · Physics 2025-07-02 Samuel Ameyaw , Lin Lin , Bo Zhao , Hamish Carr Delgado , Mark Lawrence

Tungsten ditelluride is a layered transition metal dichalcogenide (TMD) that has attracted increasing research interest in recent years. WTe2 has demonstrated large non-saturating magnetoresistance, potential for spintronic applications and…

Titanium dioxide has been extensively studied in the rutile or anatase phases, while its high-pressure phases are less well understood, despite that many are thought to have interesting optical, mechanical and electrochemical properties.…

Materials Science · Physics 2022-03-14 Jacob G. Lee , Chris J. Pickard , Bingqing Cheng

Recent experiments have shown the viability of the metamaterial approach to dielectric response engineering for moderately enhancing the transition temperature, Tc, of a superconductor. In this report, we demonstrate the use of Al2O3-coated…

Topological insulators (TIs) present a neoteric class of materials, which support delocalised, conducting surface states despite an insulating bulk. Due to their intriguing electronic properties, their optical properties have received…

The power of surface chemistry to create atomically precise nanoarchitectures offers intriguing opportunities to advance the field of quantum technology. Strategies for building artificial electronic lattices by individually positioning…

Materials Science · Physics 2023-01-25 Wenzhen Dou , Meimei Wu , Biyu Song , Guoxiang Zhi , Chenqiang Hua , Miao Zhou , Tianchao Niu

We develop herein plasmonic-catalytic Au-IrO$_2$ nanostructures with a morphology optimized for efficient light harvesting and catalytic surface area; the nanoparticles have a dendritic morphology, with closely spaced Au branches all…

Searching for natural materials exhibiting larger electron-electron interactions constitutes a traditional approach to high temperature superconductivity research. Very recently we pointed out that the newly developed field of…

Optics · Physics 2018-06-11 Igor I. Smolyaninov , Vera N. Smolyaninova

Incorporation of catalytically active materials into plasmonic metal nanostructures can efficiently merge the reactivity and energy harvesting abilities of both types of materials for visible light photocatalysis. Here we explore the…

Rate of a reaction is enhanced by increase in temperature, partial pressure or the concentration of reactants, and/or via use of a catalyst or an enzyme. Whereas the former increases the probability of collision rate between different…

Soft Condensed Matter · Physics 2023-02-24 Nitish Singh , Animangsu Ghatak

We synthesized a pure organic non-metal crystalline covalent organic framework TAPA-BTD-COF by bottom-up Schiff base chemical reaction. And this imine-based COF is stable in aerobic condition and room-temperature. We discovered that this…

Materials Science · Physics 2022-05-17 Dongge Ma , Yuhang Qian , Mingyang Ji , Jiani Li , Jundan Li , Anan Liu , Yaohui Zhu

We present an ab initio quantum theory of the metal-insulator transition in Ti$_2$O$_3$. The recently developed cluster LDA+DMFT scheme is applied to describe the many-body features of this compound. The conventional single site DMFT cannot…

Strongly Correlated Electrons · Physics 2009-11-10 A. I. Poteryaev , A. I. Lichtenstein , G. Kotliar

Extending chip performance beyond current limits of miniaturisation requires new materials and functionalities that integrate well with the silicon platform. Germanium fits these requirements and has been proposed as a high-mobility channel…