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	Provedor de dados Nature Precedings (6) Autor Michael J. Bucknum (6) Palavra-chave Chemistry (6) Tipo do documento Manuscript (6) Ano 2008 (6) País United Kingdom (6)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 6 Primeira ... 1 ... Última Chemical Physics of Phonons & Superconductivity: A Heuristic Approach Nature Precedings Michael J. Bucknum. Several lines of thought are pursued in an attempt to further clarify the role played by phonons in the theory of superconductivity. The central results of BCS theory are examined in the context of anharmonicity in the phonon motion and the role that Badger's rule of spectroscopy can play in simplifying and making more chemically intuitive the nature of the mechanism of superconductivity. Tipo: Manuscript Palavras-chave: Chemistry. Ano: 2008 URL: http://precedings.nature.com/documents/1586/version/1 Chemical Physics of Phonons & Superconductivity: A Heuristic Approach Nature Precedings Michael J. Bucknum. Several lines of thought are pursued in an attempt to further clarify the role played by phonons in the theory of superconductivity. The central results of BCS theory are examined in the context of anharmonicity in the phonon motion and the role that Badger's rule of spectroscopy can play in simplifying and making more chemically intuitive the nature of the mechanism of superconductivity. Tipo: Manuscript Palavras-chave: Chemistry. Ano: 2008 URL: http://precedings.nature.com/documents/1586/version/2 Compressibility of Calcium Nitride to 137 Kb Nature Precedings Michael J. Bucknum. A compressibility study was carried out of calcium nitride using a powdered sample in a diamond anvil cell with a Debeye-Scherrer camera at Cornell High Energy Synchrotron Source (CHESS) in 1992. This is the first such high pressure study of the equation of state of calcium nitride reported in the literature. Tipo: Manuscript Palavras-chave: Chemistry. Ano: 2008 URL: http://precedings.nature.com/documents/1771/version/3 Compressibility of Calcium Nitride to 137 Kb Nature Precedings Michael J. Bucknum. A compressibility study was carried out of calcium nitride using a powdered sample in a diamond anvil cell with a Debeye-Scherrer camera at Cornell High Energy Synchrotron Source (CHESS) in 1992. This is the first such high pressure study of the equation of state of calcium nitride reported in the literature. Tipo: Manuscript Palavras-chave: Chemistry. Ano: 2008 URL: http://precedings.nature.com/documents/1771/version/1 Compressibility of Calcium Nitride to 137 Kb Nature Precedings Michael J. Bucknum. A compressibility study was carried out of calcium nitride using a powdered sample in a diamond anvil cell with a Debeye-Scherrer camera at Cornell High Energy Synchrotron Source (CHESS) in 1992. This is the first such high pressure study of the equation of state of calcium nitride reported in the literature. Tipo: Manuscript Palavras-chave: Chemistry. Ano: 2008 URL: http://precedings.nature.com/documents/1771/version/2 Compressibility of Calcium Nitride to 137 Kb Nature Precedings Michael J. Bucknum. [alpha]-Ca3N2 as an opaque, red-brown crystalline powder lying in the cubic Ia-3 space group, was placed into a specially designed glove box under nitrogen atmosphere, along with powdered f.c.c. Au, and carefully loaded within the [beta]-brass gasket of a conventional high pressure diamond anvil cell (DAC). The powdered samples were then sealed under nitrogen atmosphere to a pressure of 8.40 Kb and taken to Cornell High Energy Synchrotron Source where conventional
Debeye-Scherrer diffraction photographs were recorded at 8.40, 91.0 and 137 Kb. The pressure of the sample was monitored by using the equation of state of Au, and no phase change from the Ia-3 structure was observed in the sample of powdered [alpha]-Ca3N2 up to a pressure of 137... Tipo: Manuscript Palavras-chave: Chemistry. Ano: 2008 URL: http://precedings.nature.com/documents/1771/version/4 Registros recuperados: 6 Primeira ... 1 ... Última

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