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Supercell Methods for Defect Calculations
Periodic boundary conditions enable fast density-functional-based calculations for defects and their complexes in semiconductors. Such calculations... -
Strain-modulated defect engineering of two-dimensional materials
Strain- and defect-engineering are two powerful approaches to tailor the opto-electronic properties of two-dimensional (2D) materials, but the...
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Trivalent Atom Defect-Complex Induced Defect Levels in Germanium for Enhanced Ge‑Based Device Performance
Defect complexes have a significant impact on the structural, electronic, optical and electrical properties of semiconductors. Several defect...
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Uniaxial Tensile Performance in the Presence of a Defect: Prediction Through a Defect-Tolerant Design Framework
The inherent imperfections introduced during the manufacturing processes of casting, welding, and additive manufacturing often result in compromised...
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An effective defect engineering strategy for giant photoluminescence enhancement of MoS2 monolayers
Two-dimensional (2D) transition metal dichalcogenide (TMDC) materials are considered as promising candidates to extend Moore’s Law. However, the low...
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Development of a new critical size defect model in the paranasal sinus and first approach for defect reconstruction—An in vivo maxillary bone defect study in sheep
Fractures of the paranasal sinuses often require surgical intervention. Persisting bone defects lead to permanent visible deformities of the facial...
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Machine-learning structural reconstructions for accelerated point defect calculations
Defects dictate the properties of many functional materials. To understand the behaviour of defects and their impact on physical properties, it is...
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Tuning properties of graphene by oxygen plasma treatment-induced defect engineering
Defects are inevitable throughout the entire graphene cycle, from fabrication to practical application. Therefore, illustrating how imperfections...
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Trends in defect passivation technologies for perovskite-based photosensor
Perovskites are semiconductor materials with the ABX3 structure, and they possess several attractive features, such as a tunable bandgap, high...
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Failure Analysis of Drive Head Bolt by Seam Defect
The present work investigates the failure of a bearing cap bolt of a commercial vehicle that suffered a premature failure after running for 1810 kms....
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WeldNet: a lightweight deep learning model for welding defect recognition
Weld defect detection is an important task in the welding process. Although there are many excellent weld defect detection models, there is still...
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A New Method for Wellhead Device Defect Identification with Ultrasonic Signals
AbstractIn this paper, we use ultrasonic detection to study the feature extraction and pattern recognition of defects in wellhead devices and to...
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Machine learning potential assisted exploration of complex defect potential energy surfaces
Atomic-scale defects generated in materials under both equilibrium and irradiation conditions can significantly impact their physical and mechanical...
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Evaluating cooling tube effects on defect formation and distribution in Czochralski crystal growth
The quality of silicon ingots is paramount in semiconductor manufacturing as defects profoundly influence the crystal integrity and device...
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Exceptionally strong coupling of defect emission in hexagonal boron nitride to stacking sequences
Van der Waals structures present a unique opportunity for tailoring material interfaces and integrating photonic functionalities. By precisely...
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Defect engineering of W6+-doped NiO for high-performance black smart windows
In this report, W 6+ do** as a defect engineering strategy has been proposed to improve the electrochromic properties of NiO film. Further research...
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The defect-modulated UiO-66(Ce) MOFs for enhancing photocatalytic selective organic oxidations
Defect engineering in metal organic frameworks (MOFs) has captured significant attention in the field of photocatalysis. A series of UiO-66(Ce)...
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Introduction
The discovery of the positron as an antielectron allows the development of many experimental techniques for studying matter at the atomic level.... -
Feature Recognition in Quadratic Frequency Modulated Thermal Wave Imaging for Subsurface Defect Detection in Fiber-Reinforced Polymers
AbstractEfficient processing and stimulation mechanisms facilitating subsurface feature analysis are of prime concern in composite inspection. Being...
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Study of Brown Patch Defect in Automotive Grade Interstitial Free Steel
Over the years, cold rolled steel surface quality acceptance norms are becoming stringent and accordingly steel suppliers had to improve product...