Results 31 to 40 of about 13,953,648 (316)
Photoacoustic imaging reveals hidden underdrawings in paintings
Scientific Reports, 2017 A novel, non-invasive, imaging methodology, based on the photoacoustic effect, is introduced in the context of artwork diagnostics with emphasis on the uncovering of hidden features such as underdrawings or original sketch lines in paintings ...
George J. Tserevelakis +6 more
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Electronic structure and x-ray magnetic dichroism in random substitutional alloys of f-electron elements [PDF]
, 1995 The Koringa-Kohn-Rostoker —coherent-potential-approximation method combines multiple-scattering theory and the coherent-potential approximation to calculate the electronic structure of random substitutional alloys of transition metals.
Strange, Paul, Jenkins, A. C.
core +1 more source
Accessing the Electronic Structure of Liquid Crystalline Semiconductors with Bottom-Up Electronic Coarse-Graining [PDF]
, 2023 Understanding the relationship between multiscale morphology and electronic structure is a grand challenge for semiconducting soft materials. Computational studies aimed at characterizing these multiscale relationships require the complex integration of ...
Nicholas, Jackson +2 more
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Miniaturized Wideband CP Antenna Using Hybrid Embedded Metasurface Structure
IEEE Access, 2022 In this study, a hybrid embedded metasurface (MTS) structure is proposed and applied to realize a miniaturized MTS antenna. In contrast to the conventional periodic rectangular MTS, the proposed MTS structure is formed by hybrid embedded patches composed
Bin Zheng +4 more
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The versatility of Cholesky decomposition in electronic structure theory [PDF]
, 2023 The resolution-of-the-identity (RI) or density fitting (DF) approximation for the electron repulsion integrals (ERIs) has become a standard component of accelerated and reduced-scaling implementations of first-principles Gaussian- type orbital electronic-
Susi, Lehtola +3 more
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A Pavement Piezoelectric Energy Harvester for Small Input Displacements
Micromachines, 2023 In order to collect mechanical energy from human motions on pavement without an obvious disturbance, a piezoelectric harvester for small displacement is proposed. A seesaw mechanism is utilized to transmit the pressure displacement to piezoelectric beams.
Bin Yin, Jiaming Wei, Xin Jiang, Yan Liu
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Electronic Structure of Metalloporphenes, Antiaromatic Analogs of Graphene [PDF]
, 2023 Zinc porphene is a two-dimensional material made of fully fused zinc porphyrins in a tetragonal lattice. It has a fully conju-gated π-system, making it similar to graphene. Zinc porphene has recently been synthesized and shown to be a semiconduc-tor (Nat.
Ivan, Pavlak +4 more
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International Journal of Antennas and Propagation, 2015 Composite material is widely used in the conformal load-bearing antenna structure (CLAS), and the manufacturing flaws in the packaging process of the CLAS will lead to the degradation of its wave-transparent property.
P. Li, W. Y. Xu, L. W. Song, Y. Y. Qiu
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Electronic structure of FeSi [PDF]
Journal of Physics: Condensed Matter, 1995 The full set of high-energy spectroscopy measurements including X-ray photoelectron valence band spectra and soft X-ray emission valence band spectra of both components of FeSi (Fe K_beta_5, Fe L_alpha, Si K_beta_1,3 and Si L_2,3) are performed and compared with the results of ab-initio band structure calculations using the linearized muffin-tin ...
Galakhov, V. R. +10 more
openaire +2 more sources
Sensors, 2022 A method based on an interval arithmetic is proposed to analyze uncertain factors such as the curvature radii, excitation amplitude, and excitation phase of a spherical conformal array antenna.
Guangda Ding +4 more
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