85 citations · 217 across the 12 of their papers we have counts for
13 papers
Correlation Between Dopant Atom Evaporation Field and Measured Site Preference in Atom Probe Tomography
Kasper A. Hunnestad, Constantinos Hatzoglou, Frida H. Danmo +6
Complex oxides possess a wide range of electric, magnetic, and optical properties that can be precisely tuned by chemical doping. The atomic-scale analysis of the property-controll…
kikuchipy: an open-source toolbox for analysis of EBSD patterns
Håkon W. Ånes, Phillip Crout, Lars Andreas Lervik +5
We present kikuchipy, an open-source toolbox for analysis of electron backscatter diffraction patterns, written in Python. The software is capable of both Hough and dictionary inde…
Quasi van der Waals Epitaxial Growth of GaAsSb Nanowires on Graphitic Substrate for Photonic Applications
Dingding Ren, Tron A. Nilsen, Julie S. Nilsen +6
III-V semiconductor nanowires are considered promising building blocks for advanced photonic devices. One of the key advantages is that the lattice mismatch can easily be accommoda…
Two-Dimensional Strain Mapping with Scanning Precession Electron Diffraction: An Investigation into Data Analysis Routines
Phillip Crout, Dipanwita Chatterjee, Ingeborg Nævra Prestholdt +3
Scanning precession electron diffraction (SPED) is a powerful technique for investigating strain. While extensive literature exists analysing strain under high convergence angle co…
3D oxygen vacancy order and defect-property relations in multiferroic (LuFeO)/(LuFeO) superlattices
K. A. Hunnestad, H. Das, C. Hatzoglou +7
Oxide heterostructures exhibit a vast variety of unique physical properties. Examples are unconventional superconductivity in layered nickelates and topological polar order in (PbT…
Optimizing compositional and atomic-level information of oxides in atom probe tomography
Kasper Hunnestad, Constantinos Hatzoglou, Francois Vurpillot +5
Atom probe tomography (APT) is a 3D analysis technique that offers unique chemical accuracy and sensitivity with sub-nanometer spatial resolution. Recently, there is an increasing…
Moiré Fringes in Conductive Atomic Force Microscopy
L. Richarz, J. He, U. Ludacka +4
Moiré physics plays an important role for the characterization of functional materials and the engineering of physical properties in general, ranging from strain-driven transport p…
Orientation dependent pinning of (sub)grains by dispersoids during recovery and recrystallization in an Al-Mn alloy
Håkon W. Ånes, Antonius T. J. van Helvoort, Knut Marthinsen
The recrystallized grain size and texture in alloys can be controlled via the microchemistry state during thermomechanical processing. The influence of concurrent precipitation on…
Quantitative 3D mapping of chemical defects at charged grain boundaries in a ferroelectric oxide
K. A. Hunnestad, J. Schultheiß, A. C. Mathisen +4
Polar discontinuities and structural changes at oxide interfaces can give rise to a large variety of electronic and ionic phenomena. Related effects have been intensively studied i…
Correlated subgrain and particle analysis of a recovered Al-Mn alloy by directly combining EBSD and backscatter electron imaging
Håkon Wiik Ånes, Antonius T. J. van Helvoort, Knut Marthinsen
Correlated analysis of (sub)grains and particles in alloys is important to understand transformation processes and control material properties. A multimodal data fusion workflow di…
Atomic-scale 3D imaging of individual dopant atoms in a complex oxide
K. A. Hunnestad, C. Hatzoglou, Z. M. Khalid +6
A small percentage of dopant atoms can completely change the physical properties of the host material. For example, chemical doping controls the electronic transport behavior of se…
Contact-free reversible switching of improper ferroelectric domains by electron and ion irradiation
Erik D. Roede, Aleksander B. Mosberg, Donald M. Evans +4
Focused ion beam (FIB) and scanning electron microscopy (SEM) are used to reversibly switch improper ferroelectric domains in the hexagonal manganite ErMnO. Surface charging is…
Single-mode Near-infrared Lasing in a GaAsSb/GaAs Nanowire Superlattice at Room Temperature
Dingding Ren, Lyubomir Ahtapodov, Julie S. Nilsen +7
Semiconductor nanowire lasers can produce guided coherent light emission with miniaturized geometry, bringing about new possibility for a variety of applications including nanophot…