activity
20092023
most citedStructural and paramagnetic properties of dilute Ga1-xMnxN

86 citations · 429 across the 12 of their papers we have counts for

collaborators

12 papers

cond-mat.mtrl-sci2023★ 1 cited

Local magnetic and geometric structure in Mn-doped La(Fe,Si)13

Benedikt Eggert, Johanna Lill, Damian Günzing +11

Magnetic cooling has the potential to replace conventional gas compression refrigeration. Materials such as La(Fe,Si) exhibit a sizeable first-order magnetocaloric effect, a…

physics.ins-det2019★ 39 cited

TEXS: in-vacuum tender X-ray emission spectrometer with 11 Johansson crystal analyzers

Mauro Rovezzi, Alistair Harris, Blanka Detlefs +17

We describe the design and show first results of a large solid angle X-ray emission spectrometer that is optimized for energies between 1.5 keV and 5.5 keV. The spectrometer is bas…

cond-mat.mtrl-sci2016★ 23 cited

Nanoscale distribution of magnetic anisotropies in bimagnetic soft core-hard shell MnFeO@CoFeO nanoparticles

Niéli Daffé, Marcin Sikora, Mauro Rovezzi +11

The nanoscale distribution of magnetic anisotropies was measured in core@shell MnFeO@CoFeO 7.0 nm particles using a combination of element selective magnetic spectr…

physics.ins-det2016★ 74 cited

High energy-resolution x-ray spectroscopy at ultra-high dilution with spherically bent crystal analyzers of 0.5 m radius

Mauro Rovezzi, Christophe Lapras, Alain Manceau +2

We present the development, manufacturing and performance of spherically bent crystal analyzers (SBCAs) of 100 mm diameter and 0.5 m bending radius. The elastic strain in the cryst…

cond-mat.mtrl-sci2014★ 3 cited

Incorporation of Mn in AlGaN probed by x-ray absorption and emission spectroscopy, high-resolution microscopy, x-ray diffraction and first-principles calculations

Mauro Rovezzi, Wolfgang Schlögelhofer, Thibaut Devillers +5

Synchrotron radiation x-ray absorption and emission spectroscopy techniques, complemented by high-resolution transmission electron microscopy methods and density functional theory…

cond-mat.mtrl-sci2014★ 76 cited

Hard x-ray emission spectroscopy: a powerful tool for the characterization of magnetic semiconductors

Mauro Rovezzi, Pieter Glatzel

This review aims to introduce the x-ray emission spectroscopy (XES) and resonant inelastic x-ray scattering (RIXS) techniques to the materials scientist working with magnetic semic…

cond-mat.mtrl-sci2013★ 48 cited

Manipulating Mn--Mg cation complexes to control the charge- and spin-state of Mn in GaN

Thibaut Devillers, Mauro Rovezzi, Nevill Gonzalez Szwacki +15

Owing to the variety of possible charge and spin states and to the different ways of coupling to the environment, paramagnetic centres in wide band-gap semiconductors and insulator…

cond-mat.mtrl-sci2013★ 11 cited

Spin-polarized electronic structure of the core-shell ZnO/ZnO:Mn nanowires probed by x-ray absorption and emission spectroscopy

A. A. Guda, N. Smolentsev, M. Rovezzi +8

The combination of x-ray spectroscopy methods complemented with theoretical analysis unravels the coexistence of paramagnetic and antiferromagnetic phases in the Zn_0.9Mn_0.1O shel…

cond-mat.mtrl-sci2012★ 1 cited

Indexing Fe-phases in/on GaN using x-ray powder diffraction

Mauro Rovezzi

This document reports the x-ray powder diffraction main reflections (intensity threshold >= 100) for possible Fe-related phases forming during the metal-organic vapor phase epitaxy…

cond-mat.mtrl-sci2012★ 22 cited

Interface-driven phase separation in multifunctional materials: the case of GeMn ferromagnetic semiconductor

Emmanuel Arras, Frédéric Lançon, Ivetta Slipukhina +11

We use extensive first principle simulations to show the major role played by interfaces in the mechanism of phase separation observed in semiconductor multifunctional materials. W…

cond-mat.mtrl-sci2009★ 86 cited

Structural and paramagnetic properties of dilute Ga1-xMnxN

Wiktor Stefanowicz, Dariusz Sztenkiel, Bogdan Faina +10

Systematic investigations of the structural and magnetic properties of single crystal (Ga,Mn)N films grown by metal organic vapor phase epitaxy are presented. High resolution trans…

cond-mat.mtrl-sci2009★ 45 cited

Local structure of (Ga,Fe)N and (Ga,Fe)N:Si investigated by x-ray absorption fine structure spectroscopy

Mauro Rovezzi, Francesco D'Acapito, Andrea Navarro-Quezada +6

X-ray absorption fine-structure (XAFS) measurements supported by {\em ab initio} computations within the density functional theory (DFT) are employed to systematically characterize…