Search Results - "DE GRAEF, M."

A spherical harmonic transform approach to the indexing of electron back-scattered diffraction patterns by Lenthe, W.C., Singh, S., Graef, M. De

“…•A new EBSD indexing algorithm is proposed based on spherical harmonic transforms.•The algorithm is robust against noise and provides near real-time…”
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Dictionary Indexing of Electron Back-Scatter Diffraction Patterns: a Hands-On Tutorial by Jackson, M. A., Pascal, E., De Graef, M.

“…Dictionary indexing of electron back-scatter patterns was recently proposed as an alternative to the commercially available indexing packages. In this tutorial…”
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The Three-Dimensional Morphology of Growing Dendrites by Gibbs, J. W., Mohan, K. A., Gulsoy, E. B., Shahani, A. J., Xiao, X., Bouman, C. A., De Graef, M., Voorhees, P. W.

“…The processes controlling the morphology of dendrites have been of great interest to a wide range of communities, since they are examples of an…”
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Diffraction contrast STEM of dislocations: Imaging and simulations by Phillips, P.J., Brandes, M.C., Mills, M.J., De Graef, M.

“…The application of scanning transmission electron microscopy (STEM) to crystalline defect analysis has been extended to dislocations. The present contribution…”
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Towards large scale orientation mapping using the eCHORD method by Lafond, C., Douillard, T., Cazottes, S., Graef, M. De, Steyer, P., Langlois, C.

“…•A procedure to correct the effect of the electron beam scanning when using the eCHORD approach is proposed.•The procedure is based on a rotation matrix…”
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Atomic-resolution defect contrast in low angle annular dark-field STEM by Phillips, P.J., De Graef, M., Kovarik, L., Agrawal, A., Windl, W., Mills, M.J.

“…While traditional high-resolution STEM is performed by exclusively collecting electrons which have been scattered to high angles (i.e., HAADF), the present…”
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Characterization and modeling of defects generated in pseudoelastically deformed NiTi microcrystals by Bowers, M.L., Chen, X., De Graef, M., Anderson, P.M., Mills, M.J.

“…[110]-Oriented micropillars of 50.7at.% NiTi were compressed to stress-induce a single martensite plate. Scanning transmission electron microscopy identified…”
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Dynamical scattering image simulations for two-phase γ–γ′ microstructures: A theoretical model by Singh, S., Mills, M.J., Graef, M. De

“…•We describe a dynamical scattering matrix approach for two-phase materials.•We incorporate defect displacement fields into the scattering formalism.•We…”
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On the magnetostatic interactions between nanoparticles of arbitrary shape by Beleggia, M., Tandon, S., Zhu, Y., De Graef, M.

“…The general expression for the magnetostatic energy of two magnetized nanoparticles with arbitrary shape and magnetization state is derived within the…”
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Separation of electrostatic and magnetic phase shifts using a modified transport-of-intensity equation by Humphrey, E., Phatak, C., Petford-Long, A.K., De Graef, M.

“…We introduce a new approach for the separation of the electrostatic and magnetic components of the electron wave phase shift, based on the…”
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Vector field electron tomography of magnetic materials: Theoretical development by Phatak, C., Beleggia, M., De Graef, M.

“…The theory of vector field electron tomography, the reconstruction of the three-dimensional magnetic induction around a magnetized object, is derived within…”
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Magnetic interactions and reversal of artificial square spin ices by Phatak, C, Pan, M, Petford-Long, A K, Hong, S, De Graef, M

“…Artificial spin ices are nanoscale geometrically engineered systems that mimic the behavior of bulk spin ices at room temperature. We describe the nanoscale…”
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On the computation of the demagnetization tensor for uniformly magnetized particles of arbitrary shape. Part I: Analytical approach by Tandon, S., Beleggia, M., Zhu, Y., De Graef, M.

“…A Fourier space formalism based on the shape amplitude of a particle is used to compute the demagnetization tensor field for uniformly magnetized particles of…”
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Systematic row and zone axis STEM defect image simulations by Phillips, P.J., Mills, M.J., De Graef, M.

“…Transmission electron microscopy (TEM) has been instrumental in advancing the field of crystalline defect analysis. Conventional TEM imaging techniques, such…”
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In situ lorentz TEM magnetization study of a Ni–Mn–Ga ferromagnetic shape memory alloy by Budruk, A., Phatak, C., Petford-Long, A.K., De Graef, M.

“…The magnetic domain structure of a Ni 49.9Mn 28.3Ga 21.8 ferromagnetic shape memory alloy has been investigated by in situ Lorentz TEM. Field-induced changes…”
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A new symmetrized solution for phase retrieval using the transport of intensity equation by Volkov, V V, Zhu, Y, De Graef, M

“…We propose a novel symmetrization method for solving the transport of intensity equation (TIE) using fast Fourier transforms for situations where the input…”
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On the use of 2-D moment invariants for the automated classification of particle shapes by MacSleyne, J.P., Simmons, J.P., De Graef, M.

“…A mathematical method is introduced to describe quantitatively the shape and shape evolution of precipitates in a two-phase microstructure. The method relies…”
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Demagnetization factors of the general ellipsoid: An alternative to the Maxwell approach by Beleggia, M., De Graef, M., Millev, Y.

“…A transparent, exhaustive, and self-contained method for the calculation of the demagnetization tensor of the uniformly magnetized ellipsoid is presented. The…”
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Anti-phase boundaries and magnetic domain structures in Ni2MnGa-type Heusler alloys by VENKATESWARAN, S. P, NUHFER, N. T, DE GRAEF, M

“…The microstructure and magnetic domain structure of austenitic Heusler Ni2MnGa are investigated as a function of heat treatment to study the interplay of…”
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Molecular Analysis of Human, Porcine, and Poultry Enterococcus faecium Isolates and Their erm(B) Genes by De Leener, E, Martel, A, De Graef, E. M, Top, J, Butaye, P, Haesebrouck, F, Willems, R, Decostere, A

“…Fifty-nine erm(B)-positive Enterococcus faecium strains isolated from pigs, broilers, and humans were typed using multilocus sequence typing (MLST), and the…”
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