Search Results - "Mendoza, Bernardo"
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Large Bulk Photovoltaic Effect and Spontaneous Polarization of Single-Layer Monochalcogenides
Published in Physical review letters (08-08-2017)“…We use a first-principles density functional theory approach to calculate the shift current and linear absorption of uniformly illuminated single-layer Ge and…”
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2
Plasmon dispersion in graphite: A comparison of current ab initio methods
Published in Physical review. B, Condensed matter and materials physics (22-07-2019)“…We perform a systematic study of the macroscopic dielectric function and electron energy loss (EEL) spectra for graphite. We obtain the dispersion behavior for…”
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3
Substrate Interference and Strain in the Second-Harmonic Generation from MoSe2 Monolayers
Published in Nano letters (02-10-2024)“…Nonlinear optical materials of atomic thickness, such as non-centrosymmetric 2H transition metal dichalcogenide monolayers, have a second-order nonlinear…”
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4
Substrate Interference and Strain in the Second-Harmonic Generation from MoSe 2 Monolayers
Published in Nano letters (02-10-2024)“…Nonlinear optical materials of atomic thickness, such as non-centrosymmetric 2H transition metal dichalcogenide monolayers, have a second-order nonlinear…”
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5
Two-Photon Excitation Spectroscopy of Silicon Quantum Dots and Ramifications for Bio-Imaging
Published in ACS nano (26-04-2022)“…Two-photon excitation in the near-infrared (NIR) of colloidal nanocrystalline silicon quantum dots (nc-SiQDs) with photoluminescence also in the NIR has…”
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6
Velocity Estimation From a Single Linear Motion Blurred Image Using Discrete Cosine Transform
Published in IEEE transactions on instrumentation and measurement (01-10-2019)“…There is a growing trend to use a digital camera as an instrument to measure velocity instead of a regular sensor approach. This paper introduces a new…”
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7
Improved ab initio calculation of surface second-harmonic generation from Si(111)( 1 × 1 ):H
Published in Physical review. B, Condensed matter and materials physics (13-06-2016)Get full text
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Theory of surface second-harmonic generation for semiconductors including effects of nonlocal operators
Published in Physical review. B, Condensed matter and materials physics (05-02-2015)“…We formulate a theoretical approach of surface second-harmonic generation from semiconductor surfaces based on the length gauge and the electron density…”
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9
Ab initio Calculation of the Depth‐Dependent Optical Reflectance From Layer‐by‐Layer Atomic Disorder
Published in physica status solidi (b) (01-04-2018)“…We present a simple model to study the effects of displacing a single atomic monolayer on the linear optical properties of a material. As an example, we…”
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10
Pure spin current injection of single-layer monochalcogenides
Published in Materials research express (01-03-2023)“…Abstract We compute the spectrum of pure spin current injection in ferroelectric single-layer SnS, SnSe, GeS, and GeSe. The formalism takes into account the…”
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11
Solution to the many-body problem in one point
Published in New journal of physics (11-11-2014)“…In this work we determine the one-body Greenʼs function as solution of a set of functional integro-differential equations, which relate the one-particle…”
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12
Mie Scattering in the Macroscopic Response and the Photonic Bands of Metamaterials
Published in physica status solidi (b) (01-05-2020)“…Herein, a general approach for the numerical calculation of the effective dielectric tensor of metamaterials is presented, and it is shown that the formalism…”
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13
A Study of Second‐Order Susceptibility in Digital Alloy‐Grown InAs/AlSb Multiple Quantum Wells
Published in Advanced optical materials (01-08-2022)“…A preliminary measurement of the second‐order nonlinear optical susceptibility χMQW(2)\[\chi _{MQW}^{(2)}\] of symmetric, coupled, InAs/AlSb multiple quantum…”
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14
Static Friction in a Cable-Driven Transmission—Modeling and Identification of Load Effects
Published in Lubricants (01-05-2022)“…Although many friction models have been developed by various researchers over the years, a general model does not exist yet. In this article, we present the…”
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15
Multipolar analysis of the second harmonic generated by dielectric particles
Published in Optics express (04-02-2019)“…We studied the second harmonic generation (SHG) by two-dimensional dielectric particles made of a centrosymmetric high-index material. The calculated scattered…”
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16
An Experimental Test Bench for Cable-Driven Transmission
Published in Machines (Basel) (01-05-2021)“…Cable-driven transmissions are used widely in robotic applications. However, design variables and parameters of this kind of transmission remain under study,…”
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17
Surface second harmonic generation induced by 3D strain fields
Published in physica status solidi (b) (01-02-2016)“…We present a general phenomenological model for surface second‐harmonic generation (SSHG) induced by strain fields with up to three spatial coordinates. As an…”
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18
Estimating Acceleration from a Single Uniform Linear Motion-Blurred Image using Homomorphic Mapping and Machine Learning
Published in Ingeniería (Bogotá, Colombia : 1993) (01-01-2024)“…Context: Vision-based measurement (VBM) systems are becoming popular as an affordable and suitable alternative for scientific and engineering applications…”
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Vascular Care Delivery during the COVID-19 Pandemic: Impact of Office-Based Laboratory and Ambulatory Surgery Center
Published in COVID (01-08-2024)“…Objective: To evaluate how access to an office-based laboratory (OBL) and ambulatory surgery center (ASC) impacted vascular care during the Coronavirus Disease…”
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20
Optical spin- and current-injection study on Si(111)-In surfaces
Published in Physical review. B, Condensed matter and materials physics (24-11-2014)“…We present a theoretical study of the optical generation of one-photon spin and current injection onto In-adsorbed Si(111) surfaces with 4 x 2 and 8 x 2…”
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