Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Louis Claude Brunel"'
Autor:
Louis-Claude Brunel
Publikováno v:
17th International Conference on Infrared and Millimeter Waves.
Autor:
Louis-Claude Brunel, Meriem Benmelouka, Marc Port, Saritha Nellutla, Johan van Tol, Andre E. Merbach, Alain Borel, Lothar Helm
Publikováno v:
Helvetica Chimica Acta. 92:2173-2185
An Electron Paramagnetic Resonance (EPR) study of glasses and magnetically dilute powders of [Gd(DTPA)(H2O)]2−, [Gd(DOTA)(H2O)]-, and macromolecular Gd-P792 complexes was carried out at X-, Q-band and 240 GHz DTPA=diethylenetriaminepentaacetato; DO
Autor:
Andrew Ozarowski, Michael J. Hoffmann, Hans Kungl, Emre Erdem, Louis Claude Brunel, Michael D. Drahus, Rüdiger-A. Eichel, Johan van Tol
Publikováno v:
Functional Materials Letters. :7-11
Ferroelectric 1 mol% Gd 3+ and 0.5 mol% Fe 3+ codoped "soft" Pb [ Zr 0.525 Ti 0.475] O 3 ceramics were studied by means of multifrequency electron paramagnetic resonance (EPR) spectroscopy. The obtained results prove that iron is incorporated at the
Autor:
Rüdiger-A. Eichel, Andrew Ozarowski, Emre Erdem, Johan van Tol, Michael D. Drahus, Louis Claude Brunel
Publikováno v:
Ferroelectrics. 363:39-49
By utilizing multi-frequency electron paramagnetic resonance (EPR) spectroscopy, the manganese functional-centre site in manganese-modified polycrystalline lead titanate (PbTiO 3 ) was studied. Isovalent Mn 4+ ions were identified as substituting for
Autor:
Emre Erdem, Hans van Tol, Andrew Ozarowski, Ruediger-A. Eichel, Hans Kungl, Michael J. Hoffmann, Louis Claude Brunel
Publikováno v:
Physica Scripta. :12-16
Ferroelectric Pb[Zr0.4Ti0.6]O3 ceramics codoped with La3+ and Fe3+ at dopant concentrations of 1.0 and 0.5 mol. %, respectively, were investigated by means of multifrequency electron paramagnetic resonance (EPR) spectroscopy. The results prove that i
Autor:
Andrew Ozarowski, Serena Margadonna, Louis-Claude Brunel, Matej Pregelj, Denis Arčon, Kosmas Prassides, H. van Tol, Andrej Zorko
Publikováno v:
Journal of Magnetism and Magnetic Materials. 316:e680-e683
We performed electron spin resonance (ESR) studies of the mixed valence Prussian blue analogue, Rb 0.8 Mn 1.1 [Fe(CN) 6 ]·D 2 O in a wide frequency (9.5–319 GHz) and temperature (3.5–300 K) interval. Evidence for the proposed high-temperature Mn
Autor:
Alain Borel, Marc Port, Lothar Helm, Andre E. Merbach, Johan van Tol, Louis Claude Brunel, Meriem Benmelouka
Publikováno v:
Journal of the American Chemical Society. 128:7807-7816
Gd(III) (S = 7/2) polyaminocarboxylates, used as contrast agents for Magnetic Resonance Imaging (MRI), were studied in frozen solutions by High-Frequency-High-Field Electron Paramagnetic Resonance (HF-EPR). EPR spectra recorded at 240 GHz and tempera
Publikováno v:
The Journal of Physical Chemistry B. 109:18289-18292
Perdeuterated all-trans /3-carotene imbedded in activated Cu-MCM-41 was examined by electron paramagnetic resonance (EPR) and electron spin-echo envelope modulation (ESEEM) spectroscopies. The EPR study showed that complexation and electron transfer
Autor:
Andrej Zorko, Hans van Tool, Pavel Cevc, Zvonko Jagličić, Jin Won Seo, Denis Arčon, Polona Umek, Louis Claude Brunel, László Forró, Miha Škarabot
Publikováno v:
Nanotechnology. 16:1623-1629
We report a comparative study of structural, morphological and magnetic properties of freshly prepared and aged Cu(OH)2 nanoribbons. Microscopy studies, performed with a transmission electron microscope, a scanning electron microscope and an atomic f
Publikováno v:
Journal of Magnetism and Magnetic Materials. 288:168-172
Temperature variations (300–4 K) of the electron magnetic resonance (EMR) spectra of ferrihydrite (FeOOH· n H 2 O) nanoparticles of size ≃5 nm are reported at the frequencies of ν = 190.62 and 285.93 GHz. The EMR line at 300 K, occurring near g