Roman Gröger, Ph.D.

Publications that are part of the Web of Science database, possibly also other publications chosen by authors.

2021

• Vacek, P.; Frentrup, M.; Lee, L. Y.; Massabuau, F. C.P.; Kappers, M. J.; Wallis, D. J.; Gröger, R.; Oliver, R. A., 2021: Defect structures in (001) zincblende GaN/3C-SiC nucleation layers. JOURNAL OF APPLIED PHYSICS 129(15), doi: 10.1063/5.0036366; FULL TEXT
  (ICON-SPM, TITAN)

2020

• Groger, R; Vitek, V, 2020: Single crystal yield criterion for chromium based on atomistic studies of isolated 1/2[111] screw dislocations. INTERNATIONAL JOURNAL OF PLASTICITY 132, doi: 10.1016/j.ijplas.2020.102733
• Groger, R; Vitek, V; Dlouhy, A, 2020: Effective pair potential for random fcc CoCrFeMnNi alloys. MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING 28(7), doi: 10.1088/1361-651X/ab7f8b
• ANTOŠ, Z.; VACEK, P.; GRÖGER, R., 2020: Intersections of two stacking faults in zincblende GaN. COMPUTATIONAL MATERIALS SCIENCE 180, p. 109620-1 - 7, doi: 10.1016/j.commatsci.2020.109620; FULL TEXT
  (TITAN)

2019

• Vacek, P; Kosteln?k, P; Gr?ger, R, 2019: Correlation of Structure and EBIC Contrast from Threading Dislocations in AlN/Si Films. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS 256(11), doi: 10.1002/pssb.201900279
• Groger, R; Chlup, Z; Kubenova, T; Kubena, I, 2019: Interplay of slip and twinning in niobium single crystals compressed at 77 K. JOURNAL OF MATERIALS RESEARCH 34(2), p. 261 - 270, doi: 10.1557/jmr.2018.398
• Vacek, P.; Kostelník, P.; Gröger, R., 2019: Correlation of Structure and EBIC Contrast from Threading Dislocations in AlN/Si Films. PHYSICA STATUS SOLIDI B 256(11), p. 1900279-1 - 1900279-7, doi: 10.1002/pssb.201900279
  (LYRA, HELIOS, ICON-SPM)
• Groger, R; Vitek, V, 2019: Impact of non-Schmid stress components present in the yield criterion for bcc metals on the activity of {110}< 111 > slip systems. COMPUTATIONAL MATERIALS SCIENCE 159, p. 297 - 305, doi: 10.1016/j.commatsci.2018.12.021

2018

• Groger, R; Chlup, Z; Kubena, I; Kruml, T, 2018: Slip activity in molybdenum single crystals compressed at77 K. PHILOSOPHICAL MAGAZINE 98(30), p. 2749 - 2768, doi: 10.1080/14786435.2018.1505056

2017

• Fikar, J; Groger, R; Schaublin, R, 2017: Interaction of irradiation-induced prismatic dislocation loops with free surfaces in tungsten. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 393, p. 186 - 189, doi: 10.1016/j.nimb.2016.10.006
• Fikar, J; Groger, R; Schaublin, R, 2017: Effect of orientation of prismatic dislocation loops on interaction with free surfaces in BCC iron. JOURNAL OF NUCLEAR MATERIALS 497, p. 161 - 165, doi: 10.1016/j.jnucmat.2017.07.032

2016

• Groger, R; Marchand, B; Lookman, T, 2016: Dislocations via incompatibilities in phase-field models of microstructure evolution. PHYSICAL REVIEW B 94(5), doi: 10.1103/PhysRevB.94.054105

2015

• Ostapovets, A; Bursik, J; Groger, R, 2015: Deformation due to migration of faceted {10(1)over-bar2} twin boundaries in magnesium and cobalt. PHILOSOPHICAL MAGAZINE 95(36), p. 4106 - 4117, doi: 10.1080/14786435.2015.1115134
• Groger, R; Leconte, L; Ostapovets, A, 2015: Structure and stability of threading edge and screw dislocations in bulk GaN. COMPUTATIONAL MATERIALS SCIENCE 99, p. 195 - 202, doi: 10.1016/j.commatsci.2014.12.013
• Fikar, J; Groger, R, 2015: Interactions of prismatic dislocation loops with free surfaces in thin foils of body-centered cubic iron. ACTA MATERIALIA 99, p. 392 - 401, doi: 10.1016/j.actamat.2015.07.077
• Groger, R; Vitek, V, 2015: Determination of positions and curved transition pathways of screw dislocations in BCC crystals from atomic displacements. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 643, p. 203 - 210, doi: 10.1016/j.msea.2015.07.016

2014

• Ostapovets, A; Groger, R, 2014: Twinning disconnections and basal-prismatic twin boundary in magnesium. MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING 22(2), doi: 10.1088/0965-0393/22/2/025015
• Ostapovets, A; Molnar, P; Groger, R, 2014: On basal-prismatic twinning interfaces in magnesium. 6TH INTERNATIONAL CONFERENCE ON NANOMATERIALS BY SEVERE PLASTIC DEFORMATION (NANOSPD6) 63, doi: 10.1088/1757-899X/63/1/012134
• Groger, R, 2014: Thermodynamics of Dislocation Pattern Formation at the Mesoscale. MATERIALS STRUCTURE & MICROMECHANICS OF FRACTURE VII 592-593, p. 79 - 82, doi: 10.4028/www.scientific.net/KEM.592-593.79
• Groger, R, 2014: Which stresses affect the glide of screw dislocations in bcc metals?. PHILOSOPHICAL MAGAZINE 94(18), p. 2021 - 2030, doi: 10.1080/14786435.2014.904058

2013

• Groger, R; Vitek, V, 2013: Stress dependence of the Peierls barrier of 1/2 < 111 > screw dislocations in bcc metals. ACTA MATERIALIA 61(17), p. 6362 - 6371, doi: 10.1016/j.actamat.2013.06.047
• Srivastava, K; Groger, R; Weygand, D; Gumbsch, P, 2013: Dislocation motion in tungsten: Atomistic input to discrete dislocation simulations. INTERNATIONAL JOURNAL OF PLASTICITY 47, p. 126 - 142, doi: 10.1016/j.ijplas.2013.01.014

2012

• Groger, R; Vitek, V, 2012: Constrained nudged elastic band calculation of the Peierls barrier with atomic relaxations. MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING 20(3), doi: 10.1088/0965-0393/20/3/035019

2011

• Groger, R; Lookman, T, 2011: Influence of dislocations on the spatial variation of microstructure in martensites. MATERIALS STRUCTURE & MICROMECHANICS OF FRACTURE 465, p. 77 - 80, doi: 10.4028/www.scientific.net/KEM.465.77
• Groger, R; Dudeck, KJ; Nellist, PD; Vitek, V; Hirsch, PB; Cockayne, DJH, 2011: Effect of Eshelby twist on core structure of screw dislocations in molybdenum: atomic structure and electron microscope image simulations. PHILOSOPHICAL MAGAZINE 91(18), p. 2364 - 2381, doi: 10.1080/14786435.2011.562474

2010

• Groger, R; Lookman, T; Saxena, A, 2010: Incompatibility of strains and its application to mesoscopic studies of plasticity. PHYSICAL REVIEW B 82(14), doi: 10.1103/PhysRevB.82.144104

2009

• Groeger, Roman; Vitek, Vaclav, 2009: Temperature and strain rate dependent flow criterion for bcc transition metals based on atomistic analysis of dislocation glide. INTERNATIONAL JOURNAL OF MATERIALS RESEARCH 100(3), p. 315 - 321
• Groger, R.; Lookman, T.; Saxena, A., 2009: Atomistic studies of transformation pathways and energetics in plutonium. PHILOSOPHICAL MAGAZINE 89(22-24), p. 1779 - 1792
• Groeger, R.; Vitek, V., 2009: Directional versus central-force bonding in studies of the structure and glide of 1/2 < 111 > screw dislocations in bcc transition metals. PHILOSOPHICAL MAGAZINE 89(34-36), p. 3163 - 3178

• Origin and mechanism of anomalous slip in non-magnetic bcc metals (16-13797S), Czech Science Foundation - Standard Grants, 2016 - 2018
• Back for the Future (Back4Future): Upgrading the Centre of Excellence for Advanced Materials and Nanostructures (763685), Evropská unie, 2017 - 2018
• Human resources development in the research of physical and material properties of emerging, newly developed and applied engineering materials (CZ.1.07/2.3.00/20.0214), MEYS - OP Education for Competiteveness, 2012 - 2015
• Talented postdocs for scientific excellence in physics of materials (CZ.1.07/2.3.00/30.0063), MEYS - OP Education for Competiteveness, 2012 - 2015
• Multidisciplinary team in materials design and its involvement into international cooperation (CZ.1.07./2.3.00/20.0197), MEYS - OP Education for Competiteveness, 2012 - 2015
• Description of the slow crack growth in polymer materials under complex loading conditions (P108/12/1560), Czech Science Foundation - Standard Grants, 2012 - 2014
• Effects of cores and boundaries of nanograins on structural and physical properties of ball milled and mechanically alloyed iron-based materials (GAP108/11/1350), Czech Science Foundation - Standard Grants, 2011 - 2014
• Research4Industry - Budování a rozvoj vědecko-výzkumné spolupráce s výzkumnými a průmyslovými partnery (CZ.1.07/2.4.00/17.0006), Ministerstvo školství, mládeže a tělovýchovy ČR, 2011 - 2014
• Microstructure of Fe-Al based alloys (7AMB12SK009), MEYS - Mobility, 2012 - 2013
• Mesoscopic framework for modeling physical processes in multiphase materials with defects (247705), FP7- People - Marie Curie actions - IRG, 2009 - 2013
• Calculation of the Peierls barrier in bcc metals and its dependence on stress (P204/10/0255), Czech Science Foundation - Standard Grants, 2010 - 2012