Univ.Prof. Dr. Gerhard Dehm

Foto

Contact:

Erich Schmid Institute of Materials Science,
Austrian Academy of Sciences and
Department Materials Physics,
University of Leoben
Jahnstraße 12
A - 8700 Leoben, Austria

Room 109
Tel.: + 43 (0) 3842 804 109
Fax: + 43 (0) 3842 804 116
E-mail: gerhard.dehm@mu-leoben.at

Academic career:

1986-1992
Study in Materials Science at the Friedrich Alexander University Erlangen-Nürnberg
1992-1995
Doctoral thesis at the Max Planck Institute for Metals Research, Stuttgart with Prof. Dr. Manfred Rühle in collaboration with Prof. Dr. Rishi Raj (Cornell University, USA) Topic: Structure, composition and mechanical properties of Cu/Al 2 O 3 and Cu/Ti/Al 2 O 3 interfaces
1995-1996
Research assistent at the Max Planck Institute for Metals Research, Stuttgart
1996-1998
Guest scientist at the Technion Israel Institute of Technology, Department of Materials Engineering, Haifa, Israel
1999-2005
Research assistent at the Max Planck Institute for Metals Research, Stuttgart
Since 2005
Director of the Erich Schmid Institute for Materials Science and head of the Department Materials Physics of the University Leoben

Special topics:


Honours and awards

1996
Award Winner PM 2 -TEC′96, Outstanding Technical Paper High Temperature Creep of Microcrystalline Dispersion Strengthened Copper Alloys, C. Sauer, T. Weißgärber, W. Püsche, G. Dehm, J. Mayer, B. Kieback, International Journal of Powder Metallurgy, 1997, Vol. 33, No. 1, 45-53.
1996-1998
Research scholarship of the Alexander von Humboldt Stiftung (Feodor-Lynen program)
2002
Masing-Gedächtnispreis of the Deutsche Gesellschaft für Materialkunde e.V.
2006
Research Award of Styria for Nanosciences and Nanotechnology

Selected publications:

ESI-2010-029
F.D. Fischer, T. Waitz, C. Scheu, L. Cha, G. Dehm, T. Antretter, H. Clemens
Study of nanometer-scaled lamellar microstructure in a Ti–45Al–7.5Nb alloy – Experiments and modeling
Intermetallics 18 (2010) 509–517 (Abstract)

ESI-2009-157
L. Cha, C. Scheu, G. Dehm, R. Schnitzer, H. Clemens
Initial stages of lamellae formation in high Nb containing γ-TiAl based alloys
Materials Research Society Symposium Proceedings, Vol. 1128, 2009, pp. 153-158

ESI-2009-147
K. Matoy, T. Detzel, M. Müller, C. Motz, G. Dehm
Interface fracture properties of thin films studied by using the micro-cantilever deflection technique
Surface & Coatings Technology 204 (2009) 878–881 (Abstract)

ESI-2009-146
G. Dehm, H.P. Wörgötter, S. Cazottes, J.M. Purswani, D. Gall, C. Mitterer, D. Kiener
Can micro-compression testing provide stress–strain data for thin films? A comparative study using Cu, VN, TiN and W coatings
Thin Solid Films 518 (2009) 1517–1521 (Abstract)

ESI-2009-136
G.M. Guidoni, L.H. He, T. Schöberl, I. Jäger, G. Dehm, M.V. Swain
Influence of the indenter tip geometry and environment on the indentation modulus of enamel
Journal of Materials Research 24 (3), pp. 616-625 (Abstract)

ESI-2009-133
M. Reinhold, D. Kiener, W.B. Knowlton, G. Dehm, P. Müllner
Deformation twinning in Ni-Mn-Ga micropillars with 10M martensite
J. Appl. Phys. 106, 053906 (2009) (Abstract)

ESI-2009-130
M.J. Cordill, A. Taylor, J. Schalko, G. Dehm
Fracture and Delamination of Chromium Thin Films on Polymer Substrates
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, pp. 1-6 (Abstract)

ESI-2009-123
G. Dehm
Miniaturized single-crystalline fcc metals deformed in tension: New insights in size-dependent plasticity
Progress in Materials Science 54 (2009) 664–688 (Abstract)

ESI-2009-122
K. Matoy, H. Schönherr, T. Detzel, T. Schöberl, R. Pippan, C. Motz, G. Dehm
A comparative micro-cantilever study of the mechanical behavior of silicon based passivation films
Thin Solid Films 518 (2009) 247–256 (Abstract)

ESI-2009-090
D. Kiener, C. Motz, G. Dehm, R. Pippan
Overview on established and novel FIB based miniaturized mechanical testing using in-situ SEM
Int. J. Mat. Res. (formerly Z. Metallkd.) 100 (2009) 8, pp 1074-1087 (Abstract)

ESI-2009-021
B. Yang, C. Motz, W. Grosinger, G. Dehm
Stress-controlled fatigue behaviour of micro-sized polycrystalline copper wires
Materials Science and Engineering A 515 (2009) 71–78 (Abstract)

ESI-2009-005
S.H. Oh, M. Legros, D. Kiener, G. Dehm
In situ observation of dislocation nucleation and escape in a submicrometre aluminium single crystal
NATURE MATERIALS, VOL 8, FEBRUARY 2009, pp. 95-100 (Abstract)

ESI-2009-004
D. Kiener, C. Motz, G. Dehm
Micro-compression testing: A critical discussion of experimental constraints
Materials Science and Engineering A 505 (2009) 79–87 (Abstract)

ESI-2009-001
D. Kiener, W. Grosinger, G. Dehm
On the importance of sample compliance in uniaxial microtesting
Scripta Materialia 60 (2009) 148–151 (Abstract)

ESI-2008-074
I.M. Robertson, P.J. Ferreira, G. Dehm, R. Hull, E.A. Stach
Visualizing the Behavior of Dislocations - Seeing Is Believing
MRS Bulletin, Volume 33, February 2008, pp.122-131 (Abstract)

ESI-2008-072
B. Yang, C. Motz, W. Grosinger, W. Kammrath, G. Dehm
Tensile behaviour of micro-sized copper wires studied using a novel fibre tensile module
Int. J. Nar. Res. (formerly Z. Metallkd.) 99 (2008) 7 pp.716-724 (Abstract)

ESI-2008-071
P. Lazar, B. Rashkova, J. Redinger, R. Podloucky, C. Mitterer, C. Scheu, G. Dehm
Interface structure of epitaxial (111) VN films on (111) MgO substrates
Thin Solid Films 517 (2008) 1177–1181 (Abstract)

ESI-2008-070
M. Kapp, K.J. Martinschitz, J. Keckes, J.M. Lackner, I. Zizak, G. Dehm
Thermal Stresses and Microstructure of Tungsten Films on Copper
BHM, 153. Jg. (2008), Heft 7 (Abstract)

ESI-2008-069
H. Wörgötter, D. Kiener, J.M. Purswani, D. Gall, G. Dehm
Testing Thin Films by Microcompression: Benefits and Limits
BHM, 153. Jg. (2008), Heft 7 (Abstract)

ESI-2008-059
B. Rashkova, W. Prantl, R. Görgl, J. Keckes, S. Cohen, M. Bamberger, G. Dehm
Precipitation processes in a Mg–Zn–Sn alloy studied by TEM and SAXS
Materials Science and Engineering A 494 (2008) 158–165 (Abstract)

ESI-2008-037
M. Bamberger, G. Dehm
Trends in the Development of New Mg Alloys
Annual Review of Materials Research Vol. 38: 505-533 (Volume publication date August 2008) (Abstract)

ESI-2008-032
L. Cha, C. Scheu, H. Clemens, H.F. Chladil, G. Dehm, R. Gerling, A. Bartels
Nanometer-scaled lamellar microstructures in Ti–45Al–7.5Nb–(0; 0.5)C alloys and their influence on hardness
Intermetallics 16 (2008) 868–875 (Abstract)

ESI-2008-029
M. Legros, G. Dehm, E. Arzt, T.J. Balk
Observation of Giant Diffusivity Along Dislocation Cores
Science 21 March 2008: Vol. 319. no. 5870, pp. 1646 - 1649 (Abstract)

ESI-2008-027
P. Lazar, J. Redinger, J. Strobl, R. Podloucky, B. Rashkova, G. Dehm, G. Kothleitner, S. Šturm, K. Kutschej, C. Mitterer, C. Scheu
N-K electron energy-loss near-edge structures for TiN/VN layers: an ab initio and experimental study
Anal Bioanal Chem (2008) 390:1447–1453 (Abstract)

ESI-2008-017
D. Kiener, C. Motz, G. Dehm
Dislocation-induced crystal rotations in micro-compressed single crystal copper columns
J Mater Sci (2008) 43:2503–2506

ESI-2008-013
R. Maaß, S. Van Petegem, D. Grolimund, H. Van Swygenhoven, D. Kiener, G. Dehm
Crystal rotation in Cu single crystal micropillars: In situ Laue and electron backscatter diffraction
Applied Phsyics Letters, 92, 071905 (2008) (Abstract)

ESI-2008-003
D. Kiener, W. Grosinger, G. Dehm, R. Pippan
A further step towards an understanding of size-dependent crystal plasticity: In situ tension experiments of miniaturized single-crystal copper samples
Acta Materialia 56 (3), pp. 580-592 (Abstract)

ESI-2007-122
B.J. Inkson, G. Dehm, Y. Pen
Dynamical growth of Cu–Pt nanowires with a nanonecklace morphology
Nanotechnology 18 (2007) 415601 (5pp) doi:10.1088/0957-4484/18/41/415601 (Abstract)

ESI-2007-121
D. Kiener, M. Rester, S. Scheriau, B. Yang, R. Pippan, G. Dehm
Influence of external and internal length scale on the flow stress of copper
Int. J. Mat. Res. (formerly Z. Metallkd.), 98 (2007) 11, 1047-1053

ESI-2007-120
B. Rashkova, P. Lazar, J. Redinger, R. Podloucky, G. Kothleitner, S. Šturm, K. Kutschej, C. Mitterer, C. Scheu, G. Dehm
Combined ab-initio and N-K, Ti-L2,3, V-L2,3 electron energy-loss near edge structure studies for TiN and VN films
Int. J. Mat. Res. (formerly Z. Metallkd.), 98 (2007) 11, 1060-1065

ESI-2007-119
G. Dehm, S.H. Oh, P. Gruber, M. Legros, F.D. Fischer
Strain compensation by twinning in Au thin films: Experiment and model
Acta Materialia 55 (2007) 6659–6665 (Abstract)

ESI-2007-104
B. Rashkova, G. Kothleitner, S. Sturm, C. Scheu, K. Kutschej, C. Mitterer, P. Lazar, J. Redinger, R. Podloucky, G. Dehm
A Comparison of the Electronic Structure of N-K in TiN and VN using EELS and Ab-initio Calculations
Microscopy and Microanalysis (2007), 13: 414-415

ESI-2007-103
S.H. Oh, M. Legros, D. Kiener, P. Gruber, G. Dehm
Size-Induced Transition from Perfect to Partial Dislocation Plasticity in Single Crystal Au Films on Polyimide
Microscopy and Microanalysis (2007), 13: 278-279

ESI-2007-102
K. Kutschej, B. Rashkova, J. Shen, D. Edwards, C. Mitterer, G. Dehm
Experimental studies on epitaxially grown TiN and VN films
Thin Solid Films 516 (2007) 369–373 (Abstract)

ESI-2007-076
S.H. Oh, M. Legros, D. Kiener, P. Gruber, G. Dehm
In situ TEM straining of single crystal Au films on polyimide: Change of deformation mechanisms at the nanoscale
Acta Materialia 55 (2007) 5558–5571 (Abstract)

ESI-2007-039
D. Kiener, C. Motz, M. Rester, M. Jenko, G. Dehm
FIB damage of Cu and possible consequences for miniaturized mechanical tests
Materials Science and Engineering: A, Volume 459, Issues 1-2, 25 June 2007, Pages 262-272

ESI-2007-028
E. Eiper, J. Keckes, K.J. Martinschitz, I. Zizak, M. Cabié, G. Dehm
Size-independent stresses in Al thin films thermally strained down to -100 °C
Acta Materialia 55(2007) 1941-1946

ESI-2006-211
C. Scheu, M. Gao, S.H. Oh, G. Dehm, S. Klein, A. Tomsia, M. Ruehle
Bonding at copper-alumina interfaces established by different surface treatments: a critical review
J. of Materials Science, 41 (16) (2006) 5161-5168

ESI-2006-210
T. Wuebben, G. Dehm, E. Arzt
Thermomechanical behavior of thin metal films under different ambient conditions
In: American Institute of Physics Conference Proceedings "Stress Induced Phenomen in Metallization" (Eds: E. Zschech, K. Maex, P.S. Ho, H. Kawasaki, T. Nakamura) Springer Verlag, Germany (2006) pp 98-103

ESI-2006-209
G. Wiederhirn, T.J. Balk, G. Dehm, J. Nucci, G. Richter, E. Arzt
Passivation Effects in Copper Thin Films
In: American Institute of Physics Conference Proceedings "Stress Induced Phenomen in Metallization" (Eds: E. Zschech, K. Maex, P.S. Ho, H. Kawasaki, T. Nakamura) Springer Verlag, Germany (2006) pp 185-191

ESI-2006-195
J. Keckes, E. Eiper, K.J. Martinschitz, P. Boesecke, W. Gindl, G. Dehm
In situ X-ray Diffraction as a tool to probe mechanical phenomena down to the nano-scale
Advanced Engineering Materials, 8, pp. 1084-1088 (2006)

ESI-2006-193
D. Kiener, C. Motz, T. Schöberl, M. Jenko, G. Dehm
Determination of mechanical properties of copper at the micron scale
Advanced Engineering Materials, 8, pp. 1119-1125 (2006) (Abstract)

ESI-2006-192
G. Dehm, C. Motz, C. Scheu, H. Clemens, P.H. Mayrhofer, C. Mitterer
Mechanical size-effects in miniaturized and bulk materials
Advanced Engineering Materials, 8, pp. 1033-1045 (2006) (Abstract)

ESI-2006-153
B. Rashkova, J. Keckes, G. Levi, A. Gorny, M. Bamberger, G. Dehm
Microstructural evolution and phase formation in novel Mg-Zn based alloys
In: Proceeding of the 7th International Conference on Magnesium Alloys and their Applications, ed., K. Kainer, DGM 2006, pp. 486-491 (2006) (Abstract)

ESI-2006-099
P. Sonnweber-Ribic, G. Dehm, P. Gruber, E. Arzt
Strain energy effects on texture evolution in thin films: biaxial vs. uniaxial stress state
In: Proceedings of the American Institute of Physics Conference "Stress-Induced Phenomena in Metallization", eds. E. Zschech, K. Maex, P.S. Ho, H. Kawasaki, T. Nakamura, Springer Verlag Germany, pp. 192-197 (2006) (Abstract)

ESI-2006-089
J. Riethmüller, G. Dehm, E.E. Affeldt, E. Arzt
Microstructure and mechanical behavior of Pt-modified NiAl diffusion coatings
International Journal of Materials Research 97-6, pp. 689-698 (2006) (Abstract)

ESI-2006-088
G. Dehm, M. Legros, B. Heiland
In-situ TEM straining experiments of Al films on polyimide using a novel FIB design for specimen preparation
Journal of Materials Science 41, pp. 4484-4489 (2006) (Abstract)

ESI-2006-087
P. Sonnweber-Ribic, P. Gruber, G. Dehm, E. Arzt
Texture transition in Cu thin films. Electron backscatter diffraction vs. X-ray diffraction
Acta Materialia 54, pp. 3863-3870 (2006) (Abstract)

ESI-2006-086
H. Clemens, A. Bartels, S. Bystrzanowski, H. Chladil, H. Leitner, G. Dehm, R. Gerling, F.P. Schimansky
Grain refinement in γ-Ti-Al-based alloys by solid state phase transformations
Intermetallics 14, pp. 1380-1385 (2006) (Abstract)

ESI-2006-064
F. Wetscher, R. Pippan, S. Sturm, F. Kauffmann, C. Scheu, G. Dehm
TEM investigation of the structural evolution in a pearlitic steel deformed by high pressure torsion
Metallurgical and Materials Transactions A, 37A, pp. 1963-1968 (2006) (Abstract)

ESI-2005-246
M. Legros, G. Dehm, T.J. Balk
In-Situ TEM Study of Plastic Stress Relaxation Mechanisms and Interface Effects in Metallic Films
In: Mater. Res. Soc. Symp. Proc. Vol 875, O9.2.1-11 (2005) (Abstract)

ESI-2005-245
T. Wübben, G. Dehm, E. Arzt
Influence of Gas Atmosphere on the Plasticity of Metal Thin Films
In: Mater. Res. Soc. Symp. Proc. Vol 875, O6.5.1-6 (2005) (Abstract)

ESI-2005-244
L. Sauter, T.J. Balk, G. Dehm, J. Nucci, E. Arzt
Hillock Formation and Thermal Stresses in Thin Au Films on Si Substrates
In: Mater. Res. Soc. Symp. Proc. Vol 875, O5.2.1-6 (2005) (Abstract)

ESI-2005-174
S. Cohen, G. Goren-Muginstein, S. Avraham, B. Rashkova, G. Dehm, M. Bamberger
Precipitation hardening in Mg-Zn-Sn alloys with minor additions of Ca and Si
Zeitschrift für Metallkunde 96, pp. 1081-1087 (2005) (Abstract)

ESI-2005-061
M. Bischof, S. Mayer, H. Leitner, H. Clemens, K. Pranzas, P. Staron, G. Dehm, W. Knabl, A. Voiticek, E. Geiger
Microstructure and Mechanical Properties of Si and Y Doped Tantalum
In: Proceedings of 16th International PLANSEE Seminar, eds. G. Kneringer, P. Roedhammer, H. Wildner, Vol. 1, pp. 489-503 (2005) (Abstract)

ESI-2005-039
G. Dehm, H. Edongué, T. Wagner, S.H. Oh, E. Arzt
Obtaining different orientation relationships for Cu films grown on (0001) α-Al2O3 substrates by magnetron sputtering
Zeitschrift für Metallkunde 96, pp. 249-254 (2005) (Abstract)

C.A. Volkert, S. Busch, B. Heiland, G. Dehm
Transmission electron microscopy of fluorapatite-gelatine composite particles using focused ion beam milling
Journal of Microscopy, 214, pp. 208-212, (2004)

P. Wellner, O. Kraft, G. Dehm, J. Anderson, E. Arzt
Channel cracking of NiAl thin films on Si substrates
Acta Materialia, 52, pp. 2325-2336, (2004)

M. Bischof, H. Leitner, H. Clemens, P. Staron, G. Dehm, A. Voiticek, W. Knabl
Microstructure and mechanical properties of Si and YN doped powder metallurgical tantalum
Zeitschrift für Metallkunde, 95, 7, pp. 573-578, (2004)

M. Weller, H. Clemens, G. Haneczok, G. Dehm, A. Bartels, S. Bystrzanowski, R. Gerling, E. Arzt
Mechanical spectroscopy of a high-Nb-bearing γ-TiAl-based alloy with near-gamma and fully lamellar microstructure
Philosophical Magazine Letters, 84, 6, pp. 383-393, 2004

A. Chatterjee, G. Dehm, C. Scheu, H. Clemens
Microstructural changes in a fully lamellar Ti-46.5at.%Al-4at.%(Cr,Nb,Ta,B) alloy during short term creep
Zeitschrift für Metallkunde, 91, pp. 755-760, 2000

W.T. Marketz, F.D. Fischer, F. Kauffmann, G. Dehm, T. Bidlingmaier, A. Wanner, H. Clemens
Computational modeling and experimental study of the deformation behaviour of γ-TiAl based alloys
Advanced Engineering Materials, 2, pp. 662-666, 2000

D. Zhang, G. Dehm, H. Clemens
On the microstructural evolution and phase transformation in a high niobium containing γ-TiAl alloy
Zeitschrift für Metallkunde, 91, pp. 950-956, 2000


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