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Energetics of Nanomaterials

Author: Alexandra Navrotsky.Frances Hellman.Brian Woodfield.Juliana Boerio-Goates.United States. Department of Energy. Office of Energy Research.All authors
Publisher: Washington, D.C : United States. Dept. of Energy. Office of Energy Research ; Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2005.
Edition/Format:   eBook : Document : National government publication : EnglishView all editions and formats
Database:WorldCat
Summary:
This project, "Energetics of Nanomaterials," represents a three-year collaboration among Alexandra Navrotsky (UC Davis), Brian Woodfield and Juliana Boerio-Goates (BYU), and Frances Hellman (UC Berkeley). It's purpose has been to explore the differences between bulk materials, nanoparticles, and thin films in term of their thermodynamic properties, with an emphasis on heat capaacities and entropies, as well as  Read more...
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Material Type: Document, Government publication, National government publication, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Alexandra Navrotsky.; Frances Hellman.; Brian Woodfield.; Juliana Boerio-Goates.; United States. Department of Energy. Office of Energy Research.; United States. Department of Energy. Oakland Operations Office.; United States. Department of Energy. Office of Scientific and Technical Information.; Brigham Young University.
OCLC Number: 316322465
Notes: Published through the Information Bridge: DOE Scientific and Technical Information.
01/28/2005.
"DOE/ ER/15235-8."
Alexandra Navrotsky; Frances Hellman; Brian Woodfield; Juliana Boerio-Goates.
Brigham Young University.
Details: Mode of access: World Wide Web.

Abstract:

This project, "Energetics of Nanomaterials," represents a three-year collaboration among Alexandra Navrotsky (UC Davis), Brian Woodfield and Juliana Boerio-Goates (BYU), and Frances Hellman (UC Berkeley). It's purpose has been to explore the differences between bulk materials, nanoparticles, and thin films in term of their thermodynamic properties, with an emphasis on heat capaacities and entropies, as well as enthalpies. the three groups have brought very different expertise and capabilities to the project. Navrotsky is a solid-state chemist and geochemist, with a unique Thermochemistry Facility emphasizing enthalpy of formation measurements by high temperature oxide melt and room temperatue acid solution calorimetry. Boerio-Goates and Woodfield are calorimetry. Hellman is a physicist with expertise in magnetism and heat capacity measurements using microscale "detector on a chip" calorimetric technology that she pioneered. The overarching question of our work is "How does the free energy play out in nanoparticles?", or "How do differences in free energy affect overall nanoparticle behavior?" Because the free energy represents the temperature-dependent balance between the enthalpy of a system and its entropy, there are two separate, but related, components to the experimental investigations: Solution calorimetric measurements provide the energetics and two types of heat capacity measurements the entropy. We use materials that are well characterized in other ways (structurally, magnetically, and chemically), and samples are shared across the collaboration.

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