Electronic Structure Analysis
Electronic Structure Analysis - Related Videos
02:28
Electronic Structure of Atoms
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2023
An atom comprises protons and neutrons, which are contained inside the dense, central core called the nucleus, with electrons present around the nucleus. Taking into account the wave–particle duality of electrons and the uncertainty in position around the nucleus, quantum mechanics provides a more accurate model for the atomic structure. It describes atomic orbitals as the regions around the nucleus where electrons of discrete energy exist, characterized by four quantum numbers: n, l, ml, and...
06:27
Analysis of β-Amyloid-induced Abnormalities on Fibrin Clot Structure by Spectroscopy and Scanning Electron Microscopy
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Cited by 8 •
2018
Presented here are two methods that can be used individually or in combination to analyze the effect of beta-amyloid on fibrin clot structure. Included is a protocol for creating an in vitro fibrin clot, followed by clot turbidity and scanning electron microscopy methods.
12:38
Structure of HIV-1 Capsid Assemblies by Cryo-electron Microscopy and Iterative Helical Real-space Reconstruction
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Cited by 8 •
2011
This article describes a method to obtain a three-dimensional (3D) structure of helically assembled molecules using cryo-electron microscopy. In this protocol, we use HIV-1 capsid assemblies to illustrate the detailed 3D reconstruction procedure for achieving a density map by the iterative helical real-space reconstruction method.
13:43
Correlative Microscopy for 3D Structural Analysis of Dynamic Interactions
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Cited by 15 •
2013
We describe a correlative microscopy method that combines high-speed 3D live-cell fluorescent light microscopy and high-resolution cryo-electron tomography. We demonstrate the capability of the correlative method by imaging dynamic, small HIV-1 particles interacting with host HeLa cells.
11:02
Fruit Volatile Analysis Using an Electronic Nose
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Cited by 10 •
2012
A rapid method for volatile compound analysis in fruit is described. The volatile compounds present in the headspace of a homogenate of the sample are rapidly separated and detected with ultra-fast gas chromatography (GC) coupled with a surface acoustic wave (SAW) sensor. A procedure for data handling and analysis is also discussed.
FAQs
Electronic structure analysis connects calculated electronic quantities to material behavior by examining more than one descriptor. Electron density shows how charge is distributed, orbital energies indicate the energies associated with electronic states, while band structure and density of states characterize available states in solid materials. Considering these outputs together helps engineers relate composition and geometry to conductivity, reactivity, optical response, or mechanical behavior.
Density functional theory provides one quantum-mechanical framework for calculating electronic properties from a material’s atomic composition and geometry. In Electronic Structure Analysis, it can generate quantities such as electron density, orbital energies, band structure, and density of states. Engineers then use those calculated results to assess likely conductivity, reactivity, optical behavior, or performance limitations before fabrication.
Composition identifies which atoms contribute to a material, while geometry describes how those atoms are arranged. The analysis relates these two inputs to electron distribution and calculated electronic quantities, rather than treating chemical identity alone as sufficient. This connection helps explain why candidate materials may differ in conductivity, reactivity, optical response, or mechanical behavior.
Engineers should select outputs according to the property under study. Electron density supports examination of charge distribution; orbital energies provide information about electronic states; and band structure or density of states helps assess solid-material behavior. Reviewing these results together can reveal relationships between a material’s atomic-scale description and its expected device, catalytic, battery, or structural performance.
Before fabrication, engineers can use calculated electronic properties to compare candidate materials and identify promising compositions or geometries. The results may indicate likely conductivity, reactivity, optical behavior, or mechanical behavior, while also revealing potential performance limitations. This screening supports materials selection and can reduce reliance on fabrication trials that do not match the intended application.
The approach supports engineering work on semiconductors, catalysts, batteries, and structural materials, with the relevant electronic results interpreted according to each design objective. It can help assess conductivity in electronic materials, reactivity in catalysts, and performance constraints in energy or structural systems. These insights also support designing devices and processes with targeted properties.