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The group IV-VI compound SnSe, with an orthorhombic lattice structure, has recently attracted particular interest due to its unexpectedly low thermal conductivity and high power factor, showing great promise for thermoelectric applications.…

Materials Science · Physics 2017-01-03 Xiaolong Xu , Qingjun Song , Haifeng Wang , Pan Li , Kun Zhang , Yilun Wang , Kai Yuan , Zichen Yang , Yu Ye , Lun Dai

Growing energy storage demands on lithium-ion batteries necessitate exploration of new electrochemical materials as next-generation battery electrode materials. In this work, we investigate the previously unexplored electrochemical…

Materials Science · Physics 2022-07-18 M Brooks Tellekamp , Anna Osella , Karen N Heinselman , Adele C Tamboli , Chunmei Ban

Breaking crystal symmetry is essential for engineering emissive double perovskite metal halides. The goal is to overcome their inherently indirect and disallowed optical transitions. Here we introduce a synthesis for silver - Cs2AgInCl6…

A novel type of a graphene/porphyrin hybrid with a direct covalent linker between graphene and a nickel(II) tetraphenylporphyrin unit has successfully been synthesized by the reductive exfoliation/functionalization of potassium intercalated…

Chemical Physics · Physics 2018-05-24 Hui-Lei Hou , Daniela Dasler , Frank Hauke , Andreas Hirsch

The thermoelectric properties in one- and two-dimensional silicon and germanium structures have been investigated using first-principle density functional techniques and linear response for the thermal and electrical transport. We have…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 K. Yang , S. Cahangirov , A. Cantarero , A. Rubio , R. D'Agosta

Inorganic compounds with sulfur have a good antifungal efficacy. However there is a limit, sulfur is required in bulk quantities for application. Nanosulfur might have a high anti-bacterial effect in a thin concentration.…

Chemical Physics · Physics 2018-03-21 Pak Gyu Hui , Choe Yong A , Son Yong Chol , Pong Chol Ung , Sin Kye Ryong

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…

We report the design, synthesis, structure, and properties of two complex layered phosphide nitrides, $Ak$Th$_2$Mn$_4$P$_4$N$_2$ ($Ak$ = Rb, Cs), which contain anti-fluorite-type [Mn$_2$P$_2$] bilayers separated by fluorite-type [Th2N2]…

Materials Science · Physics 2021-08-02 Bai-Zhuo Li , Si-Qi Wu , Zhi-Cheng Wang , Cao Wang , Guang-Han Cao

Using extensive first-principles molecular dynamics calculations, we characterize the superionic phase transition and the lattice and electronic structures of the archetypal Type-I superionic conductor alpha-AgI. We find that superionicity…

Materials Science · Physics 2009-09-29 Brandon C. Wood , Nicola Marzari

The nitridation of InP(1 0 0) surfaces has been studied using synchrotron radiation photoemission. The samples were chemically cleaned and then ion bombarded, which cleaned the surface and also induced the formation of metallic indium…

Self-assembled monolayers of 1,3,5-tris(4'-biphenyl-4"-carbonitrile)benzene, a large functional trinitrile molecule, on the (111) surfaces of copper and silver under ultrahigh vacuum conditions were studied by scanning tunneling microscopy…

Nitride materials, valued for their structural stability and exceptional physical properties, have garnered significant interest in both fundamental research and technological applications. The fabrication of high-quality nitride thin films…

Silver, especially in the form of nanostructures, is widely employed as an antimicrobial agent in a large range of commercial products. The origin of the biocidal mechanism has been elucidated in the last decades, and most likely originates…

Diamond and Silicon Carbide (SiC) are promising wide band-gap semiconductors for power electronics, SiC being more mature especially in term of large wafer size (that has reached 200 mm quite recently). Nitrogen impurities are often used in…

Applied Physics · Physics 2021-11-29 M. A. Pinault-Thaury , Marie-Amandine Pinault-Thaury , François Jomard

Bi-doped copper (Cu1-xBix) nanowires (NWs), promising candidates for spintronic applications due to their potential for a giant spin Hall effect (SHE), were synthesized and their structural properties and thermal stability were…

Silver and copper monohalides can be viewed as a class of compounds in the neutral zone between predominantly covalent and ionic compounds, thereby exhibiting neither strong ionicity nor strong covalency. We show ab initio calculation…

Materials Science · Physics 2019-12-12 Yaxin Gao , Menghao Wu , Xiao Cheng Zeng

Today, it would be difficult for us to live a full life without polymers, especially in medicine, where its applicability is constantly expanding, giving satisfactory results without any harm effects on health. This study focused on the…

We carry out a computational study on the geometric and electronic properties of multi-layers of silicene in different stacking configurations using a state-of-art abinitio density functional theory based calculations. In this work we…

Materials Science · Physics 2015-02-26 C. Kamal , Aparna Chakrabarti , Arup Banerjee , S. K. Deb

We report on the formation and the structural properties of supermicellar aggregates also called electrostatic complexes, made from mineral nanoparticles and polyelectrolyte-neutral block copolymers in aqueous solutions. The mineral…

Soft Condensed Matter · Physics 2007-09-10 Jean-Francois Berret , Kazuhiko Yokota , Mikel Morvan , Ralf Schweins

Superconductivity has been discovered recently in nickel based 112 infinite thin films $R_{1-x}$A$_x$NiO$_2$ ($R$ = La, Nd, Pr and A = Sr, Ca). They are isostructural to the infinite-layer cuprate (Ca,Sr)CuO$_2$ and are supposed to have a…

Superconductivity · Physics 2022-01-14 Qiangqiang Gu , Hai-Hu Wen
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