A Nuclear Magnetic Resonance Study of Small Platinum Particles PDF Download
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Author: Insuk Yu
Publisher:
ISBN:
Category : Nuclear magnetic resonance
Languages : en
Pages : 302
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Author: Insuk Yu
Publisher:
ISBN:
Category : Nuclear magnetic resonance
Languages : en
Pages : 302
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Book Description
Author: Dale James Durand
Publisher:
ISBN:
Category :
Languages : en
Pages : 206
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Book Description
The author has observed, and studied quantum size effects in the NMR of small, supported platinum particles with a monolayer of carbon monoxide chemically adsorbed to the surface. The effects are observed in the $\sp{13}$C and $\sp{195}$Pt NMR, primarily at 4.2K. He reports nonmetallic spin-lattice relaxation, and changes in the Knight shift at low temperatures.
Author: George Robinson Mather
Publisher:
ISBN:
Category : Gold
Languages : en
Pages : 536
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Author: G A Webb
Publisher: Royal Society of Chemistry
ISBN: 1847553680
Category : Science
Languages : en
Pages : 378
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Book Description
As a spectroscopic method, Nuclear Magnetic Resonance (NMR) has seen spectacular growth over the past two decades, both as a technique and in its applications. Today the applications of NMR span a wide range of scientific disciplines, from physics to biology to medicine. Each volume of Nuclear Magnetic Resonance comprises a combination of annual and biennial reports which together provide comprehensive of the literature on this topic. This Specialist Periodical Report reflects the growing volume of published work involving NMR techniques and applications, in particular NMR of natural macromolecules which is covered in two reports: "NMR of Proteins and Acids" and "NMR of Carbohydrates, Lipids and Membranes". For those wanting to become rapidly acquainted with specific areas of NMR, this title provides unrivalled scope of coverage. Seasoned practitioners of NMR will find this an in valuable source of current methods and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading authorities in the relevant subject areas, the series creates a unique service for the active research chemist, with regular, in-depth accounts of progress in particular fields of chemistry. Subject coverage within different volumes of a given title is similar and publication is on an annual or biennial basis.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 306
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Author: Susan Eileen Shore
Publisher:
ISBN:
Category :
Languages : en
Pages : 170
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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195Pt NMR lineshapes as well as relaxation data are presented in three different samples of platinum metal particles (46%, 26%, and 15% dispersion) supported on alumina. The electronic properties of these particles are very much different from that of bulk Pt metal. A prominent peak in the lineshape has been identified as a surface resonance which arises from Pt nuclei on the surface of the Pt particles. We find that these surface Pt atoms are non-metallic when coated with adsorbed molecules.
Author:
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Category :
Languages : en
Pages :
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Author: Laurence Drell Graham
Publisher:
ISBN:
Category : Iron group
Languages : en
Pages :
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Author: Irwin David Weisman
Publisher:
ISBN:
Category :
Languages : en
Pages : 204
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