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Experiment investigation of La(1-x)SrxMnO3 by high-resolution X-ray emission and spin-polarized X-ray absorption spectroscopy. 2008

Wei Hua, and Kejin Zhou, and Yuying Huang, and Q Qian, and Wei He, and Sixuan Ma, and Wangsheng Chu, and Tiandou Hu, and Ziyu Wu
Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS, Beijing, China.

Big changes in resistivity along with the changing of local structure in some oxide systems, such as high-temperature superconductors and colossal magnetoresistance system, strongly suggest the need of a systematic investigation of their local electronic and atomic structures. In this work we present the high-resolution X-ray emission spectra and the spin-polarized X-ray absorption near-edge spectroscopy (SPXANES) data at the Mn K-edge in the La(1-x)Sr(x)MnO(3). This experiment is based on a high-resolution large-acceptance crystal analyzer based on Si (111) and optimized for X-ray fluorescence spectroscopy. With a spherical bent crystal monochromator, a Mn Kbeta emission spectra with high resolution was obtained with a short collection time and SPXANES spectra of La(1-x)Sr(x)MnO(3) at room temperature were also measured at high temperature.

UI MeSH Term Description Entries
D007811 Lanthanum The prototypical element in the rare earth family of metals. It has the atomic symbol La, atomic number 57, and atomic weight 138.91. Lanthanide ion is used in experimental biology as a calcium antagonist; lanthanum oxide improves the optical properties of glass.
D010087 Oxides Binary compounds of oxygen containing the anion O(2-). The anion combines with metals to form alkaline oxides and non-metals to form acidic oxides. Oxide
D013052 Spectrometry, X-Ray Emission The spectrometric analysis of fluorescent X-RAYS, i.e. X-rays emitted after bombarding matter with high energy particles such as PROTONS; ELECTRONS; or higher energy X-rays. Identification of ELEMENTS by this technique is based on the specific type of X-rays that are emitted which are characteristic of the specific elements in the material being analyzed. The characteristic X-rays are distinguished and/or quantified by either wavelength dispersive or energy dispersive methods. Particle-Induced X-Ray Emission Spectrometry,Proton-Induced X-Ray Emission Spectrometry,Spectrometry, Particle-Induced X-Ray Emission,Spectrometry, Proton-Induced X-Ray Emission,Spectrometry, X-Ray Fluorescence,X-Ray Emission Spectrometry,X-Ray Emission Spectroscopy,X-Ray Fluorescence Spectrometry,Energy Dispersive X-Ray Fluorescence Spectrometry,Energy Dispersive X-Ray Fluorescence Spectroscopy,Energy Dispersive X-Ray Spectrometry,Energy Dispersive X-Ray Spectroscopy,Particle Induced X Ray Emission Spectrometry,Proton Induced X Ray Emission Spectrometry,Spectrometry, Particle Induced X Ray Emission,Spectrometry, Proton Induced X Ray Emission,Spectrometry, Xray Emission,Wavelength Dispersive X-Ray Fluorescence Spectrometry,Wavelength Dispersive X-Ray Fluorescence Spectroscopy,Wavelength Dispersive X-Ray Spectrometry,Wavelength Dispersive X-Ray Spectroscopy,X-Ray Fluorescence Spectroscopy,Xray Emission Spectroscopy,Emission Spectrometry, X-Ray,Emission Spectrometry, Xray,Emission Spectroscopy, X-Ray,Emission Spectroscopy, Xray,Energy Dispersive X Ray Fluorescence Spectrometry,Energy Dispersive X Ray Fluorescence Spectroscopy,Energy Dispersive X Ray Spectrometry,Energy Dispersive X Ray Spectroscopy,Fluorescence Spectrometry, X-Ray,Fluorescence Spectroscopy, X-Ray,Spectrometry, X Ray Emission,Spectrometry, X Ray Fluorescence,Spectroscopy, X-Ray Emission,Spectroscopy, X-Ray Fluorescence,Spectroscopy, Xray Emission,Wavelength Dispersive X Ray Fluorescence Spectrometry,Wavelength Dispersive X Ray Fluorescence Spectroscopy,Wavelength Dispersive X Ray Spectrometry,Wavelength Dispersive X Ray Spectroscopy,X Ray Emission Spectrometry,X Ray Emission Spectroscopy,X Ray Fluorescence Spectrometry,X Ray Fluorescence Spectroscopy,X-Ray Fluorescence Spectroscopies,Xray Emission Spectrometry
D013324 Strontium An element of the alkaline earth family of metals. It has the atomic symbol Sr, atomic number 38, and atomic weight 87.62.
D013696 Temperature The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. Temperatures
D014965 X-Rays Penetrating electromagnetic radiation emitted when the inner orbital electrons of an atom are excited and release radiant energy. X-ray wavelengths range from 1 pm to 10 nm. Hard X-rays are the higher energy, shorter wavelength X-rays. Soft x-rays or Grenz rays are less energetic and longer in wavelength. The short wavelength end of the X-ray spectrum overlaps the GAMMA RAYS wavelength range. The distinction between gamma rays and X-rays is based on their radiation source. Grenz Ray,Grenz Rays,Roentgen Ray,Roentgen Rays,X Ray,X-Ray,Xray,Radiation, X,X-Radiation,Xrays,Ray, Grenz,Ray, Roentgen,Ray, X,Rays, Grenz,Rays, Roentgen,Rays, X,X Radiation,X Rays,X-Radiations
D017895 Manganese Compounds Inorganic chemicals that contain manganese as an integral part of the molecule. Compounds, Manganese

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