[HTML][HTML] X-ray nanobeam diffraction imaging of materials

TU Schülli, SJ Leake - Current Opinion in Solid State and Materials …, 2018 - Elsevier
Unprecedented tools to image crystalline structure distributions in materials have been
made possible by recent advances in X-ray sources, X-ray optics and X-ray methods …

[PDF][PDF] The Nanodiffraction beamline ID01/ESRF: a microscope for imaging strain and structure

SJ Leake, GA Chahine, H Djazouli, T Zhou… - Journal of …, 2019 - journals.iucr.org
The ID01 beamline has been built to combine Bragg diffraction with imaging techniques to
produce a strain and mosaicity microscope for materials in their native or operando state. A …

Germanium based photonic components toward a full silicon/germanium photonic platform

V Reboud, A Gassenq, JM Hartmann, J Widiez… - Progress in Crystal …, 2017 - Elsevier
Lately, germanium based materials attract a lot of interest as they can overcome some limits
inherent to standard Silicon Photonics devices and can be used notably in Mid-Infra-Red …

Raman-strain relations in highly strained Ge: Uniaxial⟨ 100⟩,⟨ 110⟩ and biaxial (001) stress

A Gassenq, S Tardif, K Guilloy, I Duchemin… - Journal of Applied …, 2017 - pubs.aip.org
The application of high values of strain to Ge considerably improves its light emission
properties and can even turn it into a direct band gap semiconductor. Raman spectroscopy …

X-ray diffraction imaging of deformations in thin films and nano-objects

O Thomas, S Labat, T Cornelius, MI Richard - Nanomaterials, 2022 - mdpi.com
The quantification and localization of elastic strains and defects in crystals are necessary to
control and predict the functioning of materials. The X-ray imaging of strains has made very …

Temperature dependence of strain–phonon coefficient in epitaxial Ge/Si (001): A comprehensive analysis

CL Manganelli, M Virgilio, O Skibitzki… - Journal of Raman …, 2020 - Wiley Online Library
We investigate the temperature dependence of the Ge Raman mode strain–phonon
coefficient in Ge/Si heteroepitaxial layers. By analyzing the temperature‐dependent …

Ferroelectric self-poling in GeTe films and crystals

D Kriegner, G Springholz, C Richter, N Pilet, E Müller… - Crystals, 2019 - mdpi.com
Ferroelectric materials are used in actuators or sensors because of their non-volatile
macroscopic electric polarization. GeTe is the simplest known diatomic ferroelectric …

[PDF][PDF] Twin domain imaging in topological insulator Bi2Te3 and Bi2Se3 epitaxial thin films by scanning X-ray nanobeam microscopy and electron backscatter …

D Kriegner, P Harcuba, J Veselý, A Lesnik… - Journal of applied …, 2017 - journals.iucr.org
The twin distribution in topological insulators Bi2Te3 and Bi2Se3 was imaged by electron
backscatter diffraction (EBSD) and scanning X-ray diffraction microscopy (SXRM). The …

Lattice strain and tilt mapping in stressed Ge microstructures using X-ray Laue micro-diffraction and rainbow filtering

S Tardif, A Gassenq, K Guilloy, N Pauc… - Journal of Applied …, 2016 - journals.iucr.org
Laue micro-diffraction and simultaneous rainbow-filtered micro-diffraction were used to
measure accurately the full strain tensor and the lattice orientation distribution at the sub …

Radiative and non-radiative recombinations in tensile strained Ge microstrips: Photoluminescence experiments and modeling

M Virgilio, T Schröder, Y Yamamoto… - Journal of Applied …, 2015 - pubs.aip.org
Tensile germanium microstrips are candidate as gain material in Si-based light emitting
devices due to the beneficial effect of the strain field on the radiative recombination rate. In …