Search Results - "Sahle, Ch. J."

A high‐energy‐resolution resonant inelastic X‐ray scattering spectrometer at ID20 of the European Synchrotron Radiation Facility by Moretti Sala, M., Martel, K., Henriquet, C., Al Zein, A., Simonelli, L., Sahle, Ch. J., Gonzalez, H., Lagier, M.-C., Ponchut, C., Huotari, S., Verbeni, R., Krisch, M., Monaco, G.

“…An end‐station for resonant inelastic X‐ray scattering and (resonant) X‐ray emission spectroscopy at beamline ID20 of ESRF – The European Synchrotron is…”
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A compact von Hámos spectrometer for parallel X‐ray Raman scattering and X‐ray emission spectroscopy at ID20 of the European Synchrotron Radiation Facility by Sahle, Ch. J., Gerbon, F., Henriquet, C., Verbeni, R., Detlefs, B., Longo, A., Mirone, A., Lagier, M.-C., Otte, F., Spiekermann, G., Petitgirard, S.

“…A compact spectrometer for medium‐resolution resonant and non‐resonant X‐ray emission spectroscopy in von Hámos geometry is described. The main motivation for…”
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A large‐solid‐angle X‐ray Raman scattering spectrometer at ID20 of the European Synchrotron Radiation Facility by Huotari, S., Sahle, Ch. J., Henriquet, Ch, Al-Zein, A., Martel, K., Simonelli, L., Verbeni, R., Gonzalez, H., Lagier, M.-C., Ponchut, C., Moretti Sala, M., Krisch, M., Monaco, G.

“…An end‐station for X‐ray Raman scattering spectroscopy at beamline ID20 of the European Synchrotron Radiation Facility is described. This end‐station is…”
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Sensitivity of the Kβ″ X‑ray Emission Line to Coordination Changes in GeO2 and TiO2 by Spiekermann, G., Sahle, Ch. J., Niskanen, J., Gilmore, K., Petitgirard, S., Sternemann, C., Tse, J. S., Murakami, M.

“…The hard X-ray Kβ″ emission line shows sensitivity with respect to a wide range of cation–ligand coordination, which we investigate in the cases of GeO2 and…”
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Observation of strong nonlinear interactions in parametric down-conversion of X-rays into ultraviolet radiation by Sofer, S., Sefi, O., Strizhevsky, E., Aknin, H., Collins, S. P., Nisbet, G., Detlefs, B., Sahle, Ch. J., Shwartz, S.

“…Nonlinear interactions between X-rays and long wavelength radiation can be used as a powerful atomic-scale probe for light-matter interactions and for…”
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Planning, performing and analyzing X-ray Raman scattering experiments by Sahle, Ch. J., Mirone, A., Niskanen, J., Inkinen, J., Krisch, M., Huotari, S.

“…A compilation of procedures for planning and performing X‐ray Raman scattering (XRS) experiments and analyzing data obtained from them is presented. In…”
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First-principles modeling of x-ray Raman scattering spectra by de Clermont Gallerande, E., Cabaret, D., Brouder, C., Attaiaa, M.-B., Paulatto, L., Gilmore, K., Sahle, Ch J, Radtke, G.

“…An efficient technique for calculating x-ray Raman scattering spectra at the K edge in the framework of a single-particle theory is presented. It is based on a…”
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Quantification of non-bridging oxygens in silicates using X-ray Raman scattering by de Clermont Gallerande, E., Cabaret, D., Radtke, G., Sahle, Ch. J., Ablett, J.M., Rueff, J.-P., Lelong, G.

“…Detecting and quantifying non-bridging oxygen (NBO) atoms is of particular interest for understanding the physical properties of melts or compressed materials,…”
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Improving the spatial and statistical accuracy in X‐ray Raman scattering based direct tomography by Sahle, Ch. J., Mirone, A., Vincent, T., Kallonen, A., Huotari, S.

“…An algorithm to simultaneously increase the spatial and statistical accuracy of X‐ray Raman scattering (XRS) based tomographic images is presented. Tomography…”
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Direct tomography imaging for inelastic X‐ray scattering experiments at high pressure by Sahle, Ch. J., Rosa, A. D., Rossi, M., Cerantola, V., Spiekermann, G., Petitgirard, S., Jacobs, J., Huotari, S., Moretti Sala, M., Mirone, A.

“…A method to separate the non‐resonant inelastic X‐ray scattering signal of a micro‐metric sample contained inside a diamond anvil cell (DAC) from the signal…”
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A miniature closed-circle flow cell for high photon flux X-ray scattering experiments by Sahle, Ch. J., Henriquet, C., Schroer, M. A., Juurinen, I., Niskanen, J., Krisch, M.

“…A closed‐circle miniature flow cell for high X‐ray photon flux experiments on radiation‐sensitive liquid samples is presented. The compact cell is made from…”
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Energy and Environmental Science at ESRF by Longo, A., Sahle, Ch. J., Glatzel, P., Giacobbe, C., Rack, A., Mathon, O., Lomachenko, K. A., Segura-Ruiz, J., Villanova, J., Castillo-Michel, H., Vanpeene, V., Tucoulou, R., Schülli, T. U., Martens, I., Drnec, J.

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Phase separation and Si nanocrystal formation in bulk SiO studied by x-ray scattering by Feroughi, O. M., Sternemann, C., Sahle, Ch. J., Schroer, M. A., Sternemann, H., Conrad, H., Hohl, A., Seidler, G. T., Bradley, J., Fister, T. T., Balasubramanian, M., Sakko, A., Pirkkalainen, K., Hämäläinen, K., Tolan, M.

“…We present an x-ray scattering study of the temperature-induced phase separation and Si nanocrystal formation in bulk amorphous SiOx with x≈1. X-ray Raman…”
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Temperature-induced obliteration of sub-oxide interfaces in amorphous GeO by Schacht, A., Sternemann, C., Hohl, A., Sternemann, H., Sahle, Ch.J., Paulus, M., Tolan, M.

“…The temperature-induced phase separation of native amorphous germanium monoxide, a-GeO, into Ge and GeO 2 was studied by measurements of the Ge K-edge…”
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Sensitivity of the Kβ″ X-ray Emission Line to Coordination Changes in GeO 2 and TiO 2 by Spiekermann, G, Sahle, Ch J, Niskanen, J, Gilmore, K, Petitgirard, S, Sternemann, C, Tse, J S, Murakami, M

“…The hard X-ray Kβ″ emission line shows sensitivity with respect to a wide range of cation-ligand coordination, which we investigate in the cases of GeO and TiO…”
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Persistent Octahedral Coordination in Amorphous GeO2 Up to 100 GPa by Kβ′′ X-Ray Emission Spectroscopy by Spiekermann, G, Harder, M, Gilmore, K, Zalden, P, Sahle, Ch J, Petitgirard, S, Wilke, M, Biedermann, N, Weis, C, Morgenroth, W, Tse, J S, Kulik, E, Nishiyama, N, Yavaş, H, Sternemann, C

“…We measure valence-to-core x-ray emission spectra of compressed crystallineGeO2up to 56 GPa and of amorphousGeO2up to 100 GPa. In a novel approach, we extract…”
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Iron speciation in minerals and glasses probed by M2/3-edge X-ray Raman scattering spectroscopy by Nyrow, A., Sternemann, C., Wilke, M., Gordon, R. A., Mende, K., Yavaş, H., Simonelli, L., Hiraoka, N., Sahle, Ch. J., Huotari, S., Andreozzi, G. B., Woodland, A. B., Tolan, M., Tse, J. S.

“…We present a spectroscopic study of the iron M 2 / 3 -edge for several minerals and compounds to reveal information about the oxidation state and the local…”
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Pressure-induced electron topological transitions in Ba-doped Si clathrate by Tse, J. S., Yang, L., Zhang, S. J., Jin, C. Q., Sahle, Ch. J., Sternemann, C., Nyrow, A., Giordano, V., Jiang, J. Z., Yamanaka, S., Desgreniers, S., Tulk, C. A.

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Amorphous boron composite gaskets for in situ high-pressure and high-temperature studies by Rosa, A. D., Merkulova, M., Garbarino, G., Svitlyk, V., Jacobs, J., Sahle, Ch.J., Mathon, O., Munoz, M., Merkel, S.

“…The diamond anvil cell (DAC) is a fundamental device used to explore the properties of materials under extreme pressure and temperature (P/T) conditions. In…”
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Structural Descriptors and Information Extraction from X-ray Emission Spectra: Aqueous Sulfuric Acid by Eronen, E. A, Vladyka, A, Sahle, Ch. J, Niskanen, J

“…Machine learning can reveal new insights into X-ray spectroscopy of liquids when the local atomistic environment is presented to the model in a suitable way…”
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