Laboratory for Theory of
Defects in Materials (LTDM)
Head:
Ilya Ovid'ko
Staff:
Ivan Archakov
Sergey Bobylev
Mikhail Gutkin
Anna Kolesnikova
Alexei Kraevski
Yuri Kumzerov
Kristina Mikaelyan
Anna Reizis
Alexander Sheinerman
Victor Semkin
Yuri Titovets
Students: Evgeni Baturin
Alexei Fedorov
Nikolai Skiba
The Laboratory for Theory of Defects in Materials focuses
its research activity on the following scientific areas:
A. Theory of intergrain and
interphase boundaries in nanostructured bulk materials and films.
B. Modeling of the effects
of grain boundaries on high-TC superconductivity.
C. Theory of defects and plastic deformation processes in advanced (nanostructured,
crystalline, composite, non-crystalline) materials.
Current Research Projects:
-
Theoretical Modelling of Plastic Deformation, Fracture and Fatigue of Nanostructured Materials.
-
Interface Structure, Diffusion and Related Phenomena
in Nanostructured Materials.
-
Defects, Intergrain and Interphase Boundaries in Nanostructured Metals and Alloys.
-
Formation and Characterization of Disclination Structures
under Extreme Deformation Conditions of Metallic Materials.
-
The Effect of Grain Boundaries on High Transition Temperature
Superconducting Properties of Bi-Sr-Ca-Cu-O (BSCCO)) Materials.
List of Selected Publications
in 1999-2002:
- Monograph: Gutkin M.Yu. and Ovid'ko I.A.,
Defects and Plasticity Mechanisms in Nanostructured and Non-crystalline Materials (St.Petersburg, Yanus, 2001)
(in Russian, koi8)
- I.A. Ovid'ko, Relaxation mechanisms in strained nanoislands, Phys.Rev.Lett. 88, N4 (2002) 046103 (1-4),
(pdf, 95 Kb)
- I.A. Ovid'ko, Deformation of nanostructures, Science 295 (2002) 2386.
- I.A. Ovid'ko, Dilatation stresses and transport properties of grain boundaries in high-Tc superconductors,
Mater.Sci.Eng. A 313, N1-2 (2001) 207-17 (pdf, 240 Kb)
- I.A. Ovid'ko and Sheinerman A.G., Nano-islands on a composite substrate with misfit dislocations,
Appl. Phys.A 74, N 2, 2002, 273-7 (pdf, 144 Kb)
- I.A. Ovid'ko and Sheinerman A.G., Dislocation dipoles in nano-scale films with compositional inhomogeneities,
Philos.Mag.A, 2002, in press.
- M.Yu.Gutkin, A.L.Kolesnikova, I.A. Ovid'ko and N.V.Skiba, Rotational deformation mechanism in fine-grained materials,
J.Metast.Nanocryst.Mater. 12, 2002, 47-57 (pdf, 448 Kb)
- . A.A.Fedorov, M.Yu. Gutkin M.Yu. and I.A. Ovid'ko, Triple junction diffusion and plastic flow in fine-grained
materials, Scr.Mater., 2002, in press
- M.Yu.Gutkin, I.A. Ovid'ko and N.V.Skiba, Transformations of grain boundaries due to disclination motion
and emission of dislocation pairs, Mater.Sci.Eng.A, 2002, in press.
- Ovid'ko I.A., Effects of misfit stresses on high-Tc superconductivity in thin-film cuprates,
J.Phys.: Condens.Matter 13, N 4, 2001, L97-103 (pdf, 86 Kb)
- Gutkin M.Yu. and Ovid'ko I.A., Transformations of low-angle tilt boundaries in high-Tc superconductors,
Phys. Rev. B 63, 2001, 64515 (1-9) (pdf, 120 Kb)
- S.V.Bobylev, I.A.Ovid'ko, A.G.Sheinerman, Effects of misfit stresses on the structure and
transport properties of grain boundaries in high-Tc superconducting films, Phys.Rev.B 64, N 22, 2001, 224507.
(pdf, 128 Kb)
- M.Yu.Gutkin, K.N.Mikaelyan, V.E.Verijenko, Heterogeneous nucleation of martensite near free surface
// Acta mater. 49, No.18, 2001, 3811-3819.
- M.Yu.Gutkin, K.N.Mikaelyan, V.E.Verijenko, Dislocation-disclination model of heterogeneous nucleation
of HCP-martensite // Scripta mater. 45, No.8, 2001, 939-45.
- A.G.Sheinerman, M.Yu.Gutkin, Misfit dislocations in a hollow cylindrical film grown on a hole surface
// Scripta mater. 45, 2001, No.1, p.81-87.
- A.G.Sheinerman, M.Yu.Gutkin, Misfit disclinations and dislocation walls in a two-phase cylindrical composite
// Phys. stat. sol. (a) 184, No.2, 2001, 485-505.
- I.A. Ovid'ko, A.G.Sheinerman, Nano-wires associated with compositional inhomogeneities in multilayered films,
J.Phys.: Condens.Matter. 13, 2001, 9645-53 (pdf, 160 Kb)
- I.A. Ovid'ko I.A., A.G.Sheinerman, Misfit dislocations in multilayered films on disclinated substrates,
J.Phys.: Condens.Matter. 13, N35, 2001, 7937-51 (pdf, 168 Kb)
- M.Yu.Gutkin, I.A. Ovid'ko, C.S.Pande, Theoretical models of plastic deformation processes in nanocrystalline materials,
Rev.Adv.Mater.Sci. 2, N 1, 2001, 80-102 (pdf, 224 Kb)
- Gutkin M.Yu., Mikaelyan K.N. and Ovid'ko I.A., Generation and evolution of partial misfit dislocations and
stacking faults in thin-film heterostructures, Phys. Sol. State 43, N1, 2001, 42-6 (pdf,
128 Kb)
- Ovid'ko I.A and Reizis A.B., Grain boundary dislocation climb and diffusion in nanocrystalline solids,
Phys. Sol. State 43, N1, 2001, 35-8 (pdf, 112 Kb)
- I.A. Ovid'ko I.A., A.G. Sheinerman, Dislocation dipoles in nanocrystalline films,
J.Nanosci.Nanotechnol. 1 , N2, 2001, 215-20.
- M.D. Baro, Yu.R. Kolobov, I.A. Ovid'ko, H.-E. Schaefer, B.B. Straumal,
R.Z. Valiev, I.V. Alexandrov, M. Ivanov, K. Reimann, A.B. Reizis, S. Surinach, A.P. Zhilyaev,
Diffusion and related phenomena in bulk nanostructured materials, Rev.Adv.Mater.Sci. 2, N1, 2001, 1-43
(pdf, 808 Kb)
- I.A. Ovid'ko, Physical mechanisms of reduction of critical current density across
grain boundaries in high-Tc superconductors, Mater.Phys.Mech. 3, N1, 2001, 108-112
(pdf, 57 Kb)
- A.L. Kolesnikova, I.A. Ovid'ko and A.E. Romanov, Misfit disclination structures in nanocrystalline films,
Solid State Phenomena, 2002, vol. 87, p.265-276.
- Ovid'ko I.A. and Sheinerman A.G., Nano-islands on plastically deformed substrates with
disclinations, Mater. Phys. Mech. 2, N1, 2000, 25-30
(pdf, 216 Kb)
- Baskov D.Yu, Gutkin M.Yu., Ovid'ko I.A. and Sheinerman A.G., Misfit dislocation walls in multilayered films.
Mater. Phys. Mech. 2, N1, 2000, 57-61 (pdf, 128 Kb)
- Gutkin M.Yu. and Ovid'ko I.A., Splitting of dislocations in low-angle boundaries in oxide superconductors,
Phys. Sol. State 42, N11, 2000, 2000-3
- Ovid'ko I.A., Interfaces and misfit defects in nanostructured and polycrystalline films,
Rev. Adv. Mater. Sci. 1, 2000, 61-107 (pdf, 296 Kb)
- Ovid'ko I.A., Reizis A.B. and R.A.Masumura, Effects of transformations of grain boundary defects on diffusion
in nanocrystalline materials. Mater. Phys. Mech. 1, N2, 2000, 103-10.
(pdf, 144 Kb)
- M.Yu.Gutkin, K.N.Mikaelyan and E.C.Aifantis, Behavior of screw dislocations near phase boundaries in
the gradient theory of elasticity // Phys.Sol.State 42 (2000) 1652-8.
- M.Yu.Gutkin, K.N.Mikaelyan and E.C.Aifantis, Edge dislocations near phase boundaries in the gradient
theory of elasticity // Phys.Sol.State 42 (2000) 1659-67.
- M.Yu.Gutkin, Nanoscopics of dislocations and disclinations in gradient elasticity // Rev.Adv.Mater.Sci. 1 (2000) 27-60.
- Mikaelyan K.N., Ovid'ko I.A. and Romanov A.E., Disclination-structural-unit model of quasiperiodic
tilt boundaries of finite extent, Mater. Sci. Eng. A 288, N1, 2000, 61-5
- Kraevskii A.Yu. and Ovid'ko I.A., Effect of stress fields of small-angle tilt grain boundaries
on structural inhomogeneities in high-temperature superconductors, Phys. Sol. State 42, N7, 2000, 1218-21
- Mikaelyan K.N., Ovid'ko I.A and Romanov A.E., Disclinations at quasiperiodic intergrain tilt boundaries,
Fiz. Met. Metalloved. 90, N3, 2000, 16-22 (transl. in The Physics of Metals and Metallography).
- Gutkin M.Yu., Ovid'ko I.A. and Sheinerman A.G., Misfit dislocations in wire composite solids,
J. Phys.: Condens. Matter 12, N25, 2000, 5391-401 (pdf, 176 Kb)
- Kukushkin S.A., Ovid'ko I.A. and Osipov A.V., Critical current in high-temperature superconductors
with disordered tilt grain boundaries, Tech. Phys. Lett. 26, N7, 2000, 609-11
- Ovid'ko I.A., Interfaces in nanostructured films and coatings. Nanostructured Films and Coatings,
NATO Science Ser., ed. by G.-M. Chow, I.A. Ovid'ko and T. Tsakalakos (Kluwer, Dordrecht) 2000, pp. 231-46
- I.A.Ovid'ko, Quasiperiodic interfaces and tilt boundaries of finite extent, Mater. Sci. Eng.A 280, N2, 2000, 355-8
- R.A. Masumura and I.A. Ovid'ko, Enhanced diffusion near amorphous grain boundaries in nanocrystalline
and polycrystalline solids, Mater. Phys. Mech. 1, N1, 2000, 30-7
(pdf, 120 Kb)
- Kukushkin S.A., Osipov A.V. and Ovid'ko I.A., Critical current density in polycrystalline high-Tc
superconductors with disordered tilt boundaries. Mater. Phys. Mech. 1, N1, 2000, 49-53
- I.A.Ovid'ko, Mechanism of anomalous creep of polycrystalline MoSi2 Techn.Phys.Lett. 25, 1999
- I.A.Ovid'ko, Interfaces in ceramics, In: Materials Science of Carbides, Nitrides and Borides,
NATO ASI Series, edited by Y.G.Gogiotsi and R.A.Andrievskii (Dordrecht, Kluwer, 1999) pp. 133-54
- M.Yu.Gutkin and I.A. Ovid'ko, Misfit strains and phase transformations in layered composite solids,
J. Phys: Cond. Matter 11, N43, 1999, 8607-16 (pdf, 288 Kb)
- M.Yu.Gutkin, and E.C.Aifantis, Dislocations and disclinations in gradient elasticity
// Phys.Stat.Solidi (b) 214 (1999) 245-86
- M.Yu.Gutkin, and E.C.Aifantis, Dislocations in the theory of gradient elasticity
// Scr.Mater. 40 (1999) 559-66.
- I.A. Ovid'ko and A.B.Reizis, Irradiation-induced amorphization in split-dislocation cores,
Inorganic Materials 35, N4, 1999, 647-8
- A.L.Kolesnikova, I.A.Ovid'ko and A.E.Romanov, Transformations of interfaces in nanoamorphous solids,
Phys.Sol.State 41, N9, 1999, 1491-3
- I.A. Ovid'ko and A.B. Reizis, Effect of elastic distortions on solid-state amorphization
at grain boundaries and dislocations, J. Phys. D 32, N22, 1999, 2833-40 (pdf, 160 Kb)
- I.A. Ovid'ko, Order and chaos in human feelings, thoughts and actions, Psychological Reports 84, 1999, 87-106
- K.N.Mikaelyan, I.A.Ovid'ko and A.E.Romanov, Quasiperiodic tilt boundaries in polycrystalline
and nanocrystalline materials: energy and stress fields, Mater.Sci.Eng.A 259, N1, 1999, 132-7
- I.A. Ovid'ko, Misfit disclinations at crystal/crystal and crystal/glass interfaces, Phys.Sol.State 41, N9, 1999, 1500 - 5
- I.A. Ovid'ko, Misfit disclinations and dislocations at crystal-glass interfaces, Phil. Mag. Lett. 79, N9, 1999, 709-13
- I.A. Ovid'ko, Misfit dislocation walls in solid films, J. Phys.: Cond. Matter 11, N34, 1999, 6521-7
(pdf, 112 Kb)
Organizational Activities:
Participation in organization of the following international
scientific meetings:
NATO Advanced Study Institute on Nanostructured Materials:
Science and Technology 1997
Review Workshop on Nanoparticles and Nanostructures 1997
NATO Advanced Study Institute on Materials Science of
Carbides, Nitrides and Borides 1998
ARW 99
Advanced Research Workshop on Nanostructured Films
and Coatings 1999
AAIS 99 International Workshop on Applied Aspects of Interface
Science 1999
ICMRD 2000
International Workshop on Interface Controlled Materials:
Research and Design
STI-2002
TMS Annual Meeting,
Seattle, Washington - USA, February 17-21, 2002
nternational Symposium on Science and Technology of Interfaces
in Honor of Dr. Bhakta Rath
NATO Advanced Study Institute on Synthesis, Functional Properties and
Applications of Nanostructures (Crete, Greece, 2002)
MRS Fall 2002 Symposium: Nanomaterials for Structural Applications
(pdf)
(Boston, USA, December 2-6, 2002)
NN2003: the International Conference on "Nanomaterials and Nanotechnologies", Crete, Greece from
August 30, 2003 until September 6, 2003
MRS Fall 2003 Symposium NANO:
MRS Symposium Q "Mechanical Properties of Nanostructured
Materials and Nanocomposites", Boston, USA, December 1-5, 2003
(Call for Papers, pdf;
Guide for Abstract Submission,
pdf)
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