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Incorporation of guest additives within inorganic single crystals offers a unique strategy for creating nanocomposites with tailored properties. While anionic additives have been widely used to control the properties of crystals, their…

Inter-site interactions between single atom catalysts (SACs) in the high loading regime are critical to tuning the catalytic performance. However, the understanding on such interactions and their distance dependent effects remains elusive,…

Chemical Physics · Physics 2022-01-19 Tong Yang , Jun Zhou , Xiaoyang Ma , Keda Ding , Kay Chen Tan , Ge Wang , Haitao Huang , Ming Yang

Artificial lattices constructed from individual dopant atoms within a semiconductor crystal hold promise to provide novel materials with tailored electronic, magnetic, and optical properties. These custom engineered lattices are anticipated…

The atom sets an ultimate scaling limit to Moores law in the electronics industry. And while electronics research already explores atomic scales devices, photonics research still deals with devices at the micrometer scale. Here we…

Single photons carrying spin angular momentum (SAM), i.e., circularly polarized single photons generated typically by subjecting a quantum emitter (QE) to a strong magnetic field at low temperatures are at the core of chiral quantum optics…

Mesoscale and Nanoscale Physics · Physics 2019-10-17 Yin H. Kan , Sebastian K. H. Andersen , Fei Ding , Shailesh Kumar , Chang Y. Zhao , Sergey I. Bozhevolnyi

The ability to confine light down to atomic scales is critical for the development of applications in optoelectronics and optical sensing as well as for the exploration of nanoscale quantum phenomena. Plasmons in metallic nanostructures can…

In this work, we provide a computational methodological framework using the single-atom systems as an example material class for ammonia synthesis that is robust towards parameter selection. Applying this to Pt$_1$/g-C$_3$N$_4$,…

Materials Science · Physics 2020-07-21 Lance Kavalsky , Venkatasubramanian Viswanathan

The optimization of nanomaterial synthesis using numerous synthetic variables is considered to be extremely laborious task because the conventional combinatorial explorations are prohibitively expensive. In this work, we report an…

Spin-orbit coupling (SOC) can give rise to interesting physics, from spin Hall to topological insulators, normally in condensed matter systems. Recently, this topical area has extended into atomic quantum gases in searching for…

Quantum Gases · Physics 2012-04-11 Z. F. Xu , L. You

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…

Atomic precision advanced manufacturing (APAM) offers creation of donor devices in an atomically thin layer doped beyond the solid solubility limit, enabling unique device physics. This presents an opportunity to use APAM as a pathfinding…

Heterogeneous catalysts consisting of supported metallic nanoparticles typically derive exceptional catalytic activity from their large proportion of under-coordinated surface sites which promote adsorption of reactant molecules.…

Materials Science · Physics 2022-10-03 James P. Horwath , Colin Lehman-Chong , Aleksandra Vojvodic , Eric A. Stach

The local environment of metal-oxide supported single-atom catalysts plays a decisive role in the surface reactivity and related catalytic properties. The study of such systems is complicated by the presence of point defects on the surface,…

Bimetallic nanoparticles serve as a vital class of catalysts with tunable properties suitable for diverse catalytic reactions, yet a comprehensive understanding of their structural evolution under operational conditions as well as their…

Materials Science · Physics 2025-02-04 Yaxin Tang , Mingao Hou , Qian He , Guangfu Luo

The Self-Assembly of Nano-Objects (SANO) code we implemented demonstrates the ability to predict the molecular self-assembly of different structural motifs by tuning the molecular building blocks as well as the metallic substrate. It…

Computational Physics · Physics 2012-11-26 Thomas Roussel , Lourdes F. Vega

Controlling the redox landscape of transition metal oxides is central to advancing their reactivity for heterogeneous catalysis or high-performance gas sensing. Here we report single Cu atom sites (1.42 wt%) anchored on Co3O4 nanoparticles…

Materials Science · Physics 2025-06-12 Hamin Shin , Matteo D'Andria , Jaehyun Ko , Dong-Ha Kim , Frank Krumeich , Andreas T. Guentner

An important challenge in the field of materials design and synthesis is to deliberately design mesoscopic objects starting from well-defined precursors and inducing directed movements in them to emulate biological processes. Recently,…

Mesoscale and Nanoscale Physics · Physics 2013-05-28 Basudev Roy , Atharva Sahasrabudhe , Bibudha Parasar , Nirmalya Ghosh , Prasanta Panigrahi , Ayan Banerjee , Soumyajit Roy

Stable and metastable metallic nanoparticles exhibit unique properties compared to the bulk, with potentially important applications for catalysis. This is in particular the case for the AgPt alloy that can exhibit the ordered L1$_1$…

Materials Science · Physics 2023-07-11 F. Ait Hellal , J. Puibasset , C. Andreazza-Vignolle , P. Andreazza

The recent discovery that impurity atoms in crystals can be manipulated with focused electron irradiation has opened novel perspectives for top-down atomic engineering. These achievements have been enabled by advances in electron optics and…

Symmetric minima of surface potential energy of a nanocatalyst act as nucleation sites for chirally selective initial growth of single walled carbon tubes at low temperatures. The nucleation sites are sites of maximum coordination number of…

Materials Science · Physics 2013-05-01 Anteneh G Tefera , Mogus D Mochena