Search results
- 1.0531191 - ÚFM 2021 RIV GB eng J - Journal Article
Gröger, Roman - Vítek, V.
Single crystal yield criterion for chromium based on atomistic
studies of isolated 1/2[111] screw dislocations.
International Journal of Plasticity. Roč. 132, SEP (2020), č. článku 102733. ISSN 0749-6419. E-ISSN 1879-2154
R&D Projects: GA MŠMT(CZ) LQ1601; GA ČR(CZ) GA19-23411S
Institutional support: RVO:68081723
Keywords : Chromium * Single crystal * Yield criterion * Screw dislocation * Atomistic studies
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Impact factor: 7.081, year: 2020
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0749641919308940?via%3Dihub
Permanent Link: http://hdl.handle.net/11104/0310342 - 2.0509680 - ÚFM 2020 RIV NL eng J - Journal Article
Kotoul, M. - Skalka, P. - Profant, T. - Friák, Martin - Řehák, P. - Šesták, P. - Černý, M. - Pokluda, J.
Ab initio aided strain gradient elasticity theory in prediction of nanocomponent fracture.
Mechanics of Materials. Roč. 136, SEP (2019), č. článku 103074. ISSN 0167-6636. E-ISSN 1872-7743
Institutional support: RVO:68081723
Keywords : screw dislocation * brittle-fracture * stress * energy * crystal * crack * transition * dynamics * origin * Fracture nanomechanics * Strain gradient elasticity * dft * fem * Size dependent phenomena
OECD category: Thermodynamics
Impact factor: 2.993, year: 2019
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0167663619300341?via%3Dihub
Permanent Link: http://hdl.handle.net/11104/0301465 - 3.0483111 - ÚFM 2019 RIV US eng J - Journal Article
Hernandez-Maldonado, D. - Gröger, Roman - Ramasse, Q. M. - Hirsch, P. B. - Nellist, P. D.
Evaluation of Aberration-corrected Optical Sectioning for Exploring the Core Structure of 1/2[111] Screw Dislocations in BCC Metals.
Microscopy and Microanalysis. Roč. 23, č. 1 (2017), s. 432-433. ISSN 1431-9276. E-ISSN 1435-8115
R&D Projects: GA ČR(CZ) GA16-13797S; GA MŠMT(CZ) LQ1601
Institutional support: RVO:68081723
Keywords : optical sectioning * screw dislocation * electron microscopy
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Impact factor: 2.124, year: 2017
Permanent Link: http://hdl.handle.net/11104/0278542 - 4.0481153 - ÚFM 2019 RIV US eng J - Journal Article
Hernandez-Maldonado, D. - Yang, H. - Jones, L. - Gröger, Roman - Hirsch, P. B. - Ramasse, Q. M. - Nellist, P. D.
STEM Optical Sectioning for Imaging Screw Dislocations Core Structures
in BCC Metals.
Microscopy and Microanalysis. Roč. 22, S3 (2016), s. 1932-1933. ISSN 1431-9276. E-ISSN 1435-8115
R&D Projects: GA ČR(CZ) GA16-13797S
Institutional support: RVO:68081723
Keywords : screw dislocation * transmission electron microscopy * imaging
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Impact factor: 1.891, year: 2016
Permanent Link: http://hdl.handle.net/11104/0276778 - 5.0473054 - ÚFM 2017 RIV CH eng J - Journal Article
Gröger, Roman - Vítek, V.
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. Roč. 643, SEP (2015), s. 203-210. ISSN 0921-5093. E-ISSN 1873-4936
R&D Projects: GA MŠMT(CZ) ED1.1.00/02.0068
Institutional support: RVO:68081723
Keywords : Screw dislocation * BCC metal * Dislocation pathway
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 2.647, year: 2015
Permanent Link: http://hdl.handle.net/11104/0270222 - 6.0435013 - ÚFM 2015 RIV GB eng J - Journal Article
Gröger, Roman
Which stresses affect the glide of screw dislocations in bcc metals?
Philosophical Magazine. Roč. 94, č. 18 (2014), s. 2021-2030. ISSN 1478-6435. E-ISSN 1478-6443
R&D Projects: GA MŠMT(CZ) ED1.1.00/02.0068
Grant - others:Marie Curie Actions(CZ) 247705 MesoPhysDel
Institutional support: RVO:68081723
Keywords : Peierls stress * screw dislocation * bcc metal * non-glide stress * yield criterion
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.825, year: 2014
Permanent Link: http://hdl.handle.net/11104/0238975 - 7.0395120 - ÚFM 2014 RIV GB eng J - Journal Article
Gröger, Roman - Vitek, V.
Stress dependence of the Peierls barrier of 1/2111 screw dislocations in BCC metals.
Acta Materialia. Roč. 61, č. 17 (2013), s. 6362-6371. ISSN 1359-6454. E-ISSN 1873-2453
R&D Projects: GA MŠMT(CZ) ED1.1.00/02.0068; GA ČR GAP204/10/0255
Institutional support: RVO:68081723
Keywords : Screw dislocation * Peierls barrier * Nudged elastic band * BCC metals * Peierls stress
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 3.940, year: 2013
Permanent Link: http://hdl.handle.net/11104/0231011 - 8.0359531 - ÚFM 2012 RIV GB eng J - Journal Article
Gröger, Roman - Dudeck, K. J. - Nellist, P. D. - Vitek, V. - Hirsch, P. B. - Cockayne, D. J. H.
Effect of Eshelby twist on core structure of screw dislocations in molybdenum: atomic structure and electron microscope image simulations.
Philosophical Magazine. Roč. 91, č. 18 (2011), s. 2364-2381. ISSN 1478-6435. E-ISSN 1478-6443
R&D Projects: GA ČR GAP204/10/0255
Institutional research plan: CEZ:AV0Z20410507
Keywords : screw dislocation * thin foil * Eshelby twist * free surface * HREM
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.510, year: 2011
Permanent Link: http://hdl.handle.net/11104/0197306