Background and activities
Holmestad (born in 1967) is a professor at Dept. of Physics NTNU (since 99).
Dr. Holmestad (born in 1967) is professor at Dept. of Physics NTNU (since 99). She is also an advisor for SINTEF Materials and Chemistry. Degrees: Dr. ing. (PhD) in materials physics, NTH, 1994, Siv. ing (MSc) in technical physics, NTH, 1991. Holmestad's present research interests are focussed on materials physics; transmission electron diffraction and microscopy (TEM), materials microstructure and the relation to macroscopic properties. Ongoing projects are on aluminium alloys, quantitative electron diffraction, hydrogen storage materials, solar cell materials, thermoelectric materials and new functional materials. She has educated 10 PhD students and 48 MSc students, in addition to co-supervision of 4 PhD students. Holmestad has had several sabbaticals abroad, latest 6 months in 2005 and 2012, both at University of Illinois, Urbana-Champaign, IL, USA. SCOPUS (January 2014): Cited documents = 133, Citations = 1029, h index = 18
She has initiated and been project leader for several externally funded projects over the past fifteen years, funded mainly by the Norwegian Research Council and Hydro Aluminium. The main research projects she have been involved in are Quantitative convergent beam electron diffraction (2000-03), the SUP Micro- and nanostructural materials development (2001-06), the NorLight project Heat treatment fundamentals (2001-07), the Industry initiated project Nucleation control for optimised properties (2007-12), the FRINAT project Fundamental investigations of clustering (2007-11), the Japanese-Norwegian Al-Mg-Si precipitation project (2009-14) and the FRINATEK project Fundamental investigations of precipitation in the solid state with focus on Al-based alloys (2013-17). In addition she has been leader of TEM Gemini Centre (SINTEF, NTNU) 2006, 2008-2013, and leader for a Nordic network within TEM in Nordforsk, NorTEMnet, 2010-2014. She was the project leader of NORTEM, Norwegian Centre of transmission electron microscopy, 2010-2013, a large scale infrastructure project in TEM, from SINTEF, UiO and NTNU (total project 115 MNOK, 2011-20).
- Electron microscopy and spectroscopy (TEM, HREM, EDS, EELS, STEM)
- Electron diffraction; Quantitative Convergent Beam electron Diffraction (CBED), Electron crystallography
- Microstructure characterization of inorganic materials, alloys and intermetallics, precipitation in aluminium alloys, hydrogen storage materials, functional oxides, solar cell materials, relationships between micro/nano-structure and properties of materials, bonding
- Modelling and simulations in materials physics; Solid state calculations
Scientific, academic and artistic work
A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database
- (2015) Combining HAADF STEM tomography and electron diffraction for studies of α-Al(Fe,Mn)Si dispersoids in 3xxx aluminium alloys. Philosophical Magazine. vol. 95 (7).
- (2015) Effects of Germanium, Copper, and Silver Substitutions on Hardness and Microstructure in Lean Al-Mg-Si Alloys. Metallurgical and Materials Transactions. A.
- (2015) Structural phases driven by oxygen vacancies at the La0.7Sr0.3MnO3/SrTiO3 hetero-interface. Applied Physics Letters. vol. 106 (4).
- (2015) A hybrid aluminium alloy and its zoo of interacting nano-precipitates. Materials Characterization. vol. 106.
- (2014) Quantum confinement of PbSe nanocrystals embedded in a spacer ZnSe matrix for solar cell applications. Solar Energy. vol. 106.
- (2014) 3D modelling of β'' in Al-Mg-Si: towards an atomistic level ab initio based examination of a full precipitate enclosed in a host lattice. Computational materials science. vol. 91.
- (2014) Interfacial and strain energy analysis from ab initio based hierarchical multi-scale modelling: the Al–Mg–Si alloy β'' phase. Materials Science Forum.
- (2014) Phase stabilization principle and precipitate-host lattice influences for Al-Mg-Si-Cu alloy precipitates. Journal of Materials Science. vol. 49 (18).
- (2014) Ageing characteristics of Al-Mg-(Ge,Si)-Cu alloys. Materials Science Forum. vol. 794-796.
- (2014) Improving thermal stability in Cu-containing Al-Mg-Si alloys by precipitate optimization. Metallurgical and Materials Transactions. A. vol. 45 (7).
- (2014) Composition and orientation relationships of constituent particles in 3xxx aluminum alloys. Philosophical Magazine. vol. 94 (6).
- (2014) Orientation studies of á-Al(Fe,Mn)Si dispersoids in 3xxx Al alloys. Materials Science Forum. vol. 794-796.
- (2014) Mackay icosahedron explaining orientation relationship of dispersoids in aluminium alloys. Acta Crystallographica Section B: Structural Science. vol. 70 (5).
- (2014) The effect of elastic straining on a 6060 Aluminium alloy during natural or artificial ageing. Materials Science Forum. vol. 794-796.
- (2014) Detailed atomistic insight into the β″ phase in Al–Mg–Si alloys. Acta Materialia. vol. 69.
- (2014) µSR study of Al-0.67%Mg-0.77%Si alloys. Journal of Physics, Conference Series. vol. 551 (1).
- (2014) HAADF-STEM and DFT investigations of the Zn-containing β'' phase in Al-Mg-Si alloys. Acta Materialia. vol. 78.
- (2014) Aberration-corrected HAADF-STEM investigations of precipitate structures in Al-Mg-Si alloys with low Cu additions. Philosophical Magazine. vol. 94 (5).
- (2014) Structural investigation of precipitates with Cu and Zn atomic columns in Al-Mg-Si alloys by aberration-corrected HAADF-STEM. Journal of Physics, Conference Series. vol. 522 (1).
- (2014) Effect of low Cu addition and thermo-mechanical history on precipitation in Al-Mg-Si alloys. Materials Science Forum. vol. 794-796.