Search Results - "KÜCHEMANN, Stefan"
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Interaction between parallel shear bands in a metallic glass
Published in Journal of non-crystalline solids (15-08-2021)“…•Two observable stages in shear band formation; initiation and propagation.•First evidence of the effects of shear bands interaction in metallic…”
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2
Influence of stoichiometry on indentation-induced plasticity in CuZr glasses
Published in Applied physics. A, Materials science & processing (01-09-2021)“…Plasticity in metallic glasses depends on their stoichiometry. We explore this dependence by molecular dynamics simulations for the case of CuZr alloys using…”
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Energy Storage in Metallic Glasses via Flash Annealing
Published in Advanced functional materials (12-12-2018)“…When the temperature rises in a kinetically frozen and out‐of‐equilibrium system, such as a structural glass, thermal activation usually drives a relaxation to…”
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Interaction of dislocations and shear bands in cutting of an amorphous-crystalline bilayer: An atomistic study
Published in Computational materials science (01-05-2021)“…Composites of crystalline and amorphous metals combine high strength with ductility. Using molecular dynamics simulation, we analyze the plastic processes…”
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Validation of Cognitive Load During Inquiry-Based Learning With Multimedia Scaffolds Using Subjective Measurement and Eye Movements
Published in Frontiers in psychology (31-08-2021)“…Subject-method barriers and cognitive load (CL) of students have a particular importance in the complex learning process of scientific inquiry. In this work,…”
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Mobile Eye-Tracking Data Analysis Using Object Detection via YOLO v4
Published in Sensors (Basel, Switzerland) (18-11-2021)“…Remote eye tracking has become an important tool for the online analysis of learning processes. Mobile eye trackers can even extend the range of opportunities…”
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Editorial: Registered reports on the role of representational competencies in multimedia learning and learning with multiple representations
Published in Frontiers in psychology (11-08-2023)Get full text
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ChatGPT's quality: Reliability and validity of concept inventory items
Published in Frontiers in psychology (08-10-2024)“…The recent advances of large language models (LLMs) have opened a wide range of opportunities, but at the same time, they pose numerous challenges and…”
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A refined approach for evaluating small datasets via binary classification using machine learning
Published in PloS one (21-05-2024)“…Classical statistical analysis of data can be complemented or replaced with data analysis based on machine learning. However, in certain disciplines, such as…”
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Educational data augmentation in physics education research using ChatGPT
Published in Physical review. Physics education research (01-10-2023)“…Generative AI technologies such as large language models show novel potential to enhance educational research. For example, generative large language models…”
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11
Crossover from random three-dimensional avalanches to correlated nano shear bands in metallic glasses
Published in Nature communications (10-04-2014)“…When applying mechanical stress to a bulk metallic glass it responds with elastic and/or plastic deformations. A comprehensive microscopic theory for the…”
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12
Changes in Students’ Understanding of and Visual Attention on Digitally Represented Graphs Across Two Domains in Higher Education: A Postreplication Study
Published in Frontiers in psychology (27-08-2020)“…Domain-specific understanding of digitally represented graphs is necessary for successful learning within and across domains in higher education. Two recent…”
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13
Shear-Transformation Zone Activation during Loading and Unloading in Nanoindentation of Metallic Glasses
Published in Materials (07-05-2019)“…Using molecular dynamics simulation, we study nanoindentation in large samples of Cu-Zr glass at various temperatures between zero and the glass transition…”
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Can ChatGPT support prospective teachers in physics task development?
Published in Physical review. Physics education research (01-09-2023)“…The recent advancement of large language models presents numerous opportunities for teaching and learning. Despite widespread public debate regarding the use…”
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15
Development and Validation of the Ray Optics in Converging Lenses Concept Inventory
Published in Physical Review Physics Education Research (01-11-2022)“…Optics is a core field in the curricula of secondary physics education. In this study, we present the development and validation of a test instrument in the…”
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Gaze Patterns Enhance Response Prediction: More than Correct or Incorrect
Published in Physical Review Physics Education Research (01-07-2022)“…Eye tracking enables the reconstruction of eye movements and thus the analysis of visual information selection and integration processes during problem…”
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The relation of representational competence and conceptual knowledge in female and male undergraduates
Published in International Journal of STEM Education (01-12-2023)“…Background Representational competence is commonly considered a prerequisite for the acquisition of conceptual knowledge, yet little exploration has been…”
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Comparison and AI-based prediction of graph comprehension skills based on the visual strategies of first-year physics and medicine students
Published in Physical review. Physics education research (01-11-2024)“…Graphical representations of data are common in many disciplines. Previous research has found that physics students appear to have better graph comprehension…”
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Inventory for the Assessment of Representational Competence of Vector Fields
Published in Physical review. Physics education research (01-10-2021)“…Representational competence is essential for the acquisition of conceptual understanding in physics. It enables the interpretation of diagrams, graphs, and…”
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A Literature Review Comparing Experts’ and Non-Experts’ Visual Processing of Graphs during Problem-Solving and Learning
Published in Education sciences (01-02-2023)“…The interpretation of graphs plays a pivotal role in education because it is relevant for understanding and representing data and comprehending concepts in…”
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