PRODUCTION METHOD FOR A POLYCRYSTALLINE SILICON ROD

A plate-shaped sample with a cross-section perpendicular to a radial direction of a polycrystalline silicon rod as a principal surface is sampled from a region from a center (r=0) of the polycrystalline silicon rod to R/3. Then, the sample is disposed at a position at which a Bragg reflection from a...

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Hauptverfasser: MIYAO, Shuichi, NETSU, Shigeyoshi
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NETSU, Shigeyoshi
description A plate-shaped sample with a cross-section perpendicular to a radial direction of a polycrystalline silicon rod as a principal surface is sampled from a region from a center (r=0) of the polycrystalline silicon rod to R/3. Then, the sample is disposed at a position at which a Bragg reflection from a (111) Miller index plane is detected. In-plane rotation with a rotational angle Õ on the sample is performed with a center of the sample as a rotational center such that an X-ray irradiation region defined by a slit performs Õ-scanning on the principal surface of the sample to obtain a diffraction chart indicating dependency of a Bragg reflection intensity from the (111) Miller index plane on a rotational angle of the sample. A ratio (S p /S t ) between an area S p of a peak part appearing in the diffraction chart and a total area S t of the diffraction chart is calculated.
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language eng ; fre ; ger
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subjects AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE
APPARATUS THEREFOR
CHEMISTRY
COMPOUNDS THEREOF
CRYSTAL GROWTH
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
REFINING BY ZONE-MELTING OF MATERIAL
SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
SINGLE-CRYSTAL-GROWTH
UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
title PRODUCTION METHOD FOR A POLYCRYSTALLINE SILICON ROD
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