Structure Defects and Chemical Reaction in the Solid State: High-Resolution Transmission Electron Microscopy and Micro- analysis
{'Code': '03070007', 'Directorate': {'Abbreviation': 'MPS', 'LongName': 'Direct For Mathematical & Physical Scien'}, 'Division': {'Abbreviation': 'DMR', 'LongName': 'Division Of Materials Research'}}
{'SignBlockName': 'David Nelson', 'PO_EMAI': None, 'PO_PHON': None}
The purpose of this research is to investigate the mechanisms of                solid state chemical reactions at the atomic level.  Such                       descriptions are rare yet they are important to the scientific                  understanding of nature and vital to the efficient design of                    materials.  The means for accomplishing such a study have now                   become available under the general label of high-resolution                     electron microscopy (HREM), analytical electron microscopy (AEM)                and associated techniques which now have the requisite lateral                  resolution.  Furthermore, with the union of low-light TV                        techniques and high-speed image processing, high temporal                       resolution is available as well.  These studies will also be                    aided by the availability of unique new ultra-high vacuum                       microscopes that can effectively eliminate unwanted chemical                    interference in thin film research.                                                                                                                             In situ chemical reactions of various generic kinds will be                     studied using these HREM techniques and the mechanisms of                       reactions proposed.  Configurations of specimens that will be                   used include diffusion and reaction of two vacuum deposited                     substances (Au-Si, Au-Al, etc.) in thin films, gas-solid                        reactions that can occur in the residual gases of the microscope                (the oxidation of a reactive metal), thermal or radiation-induced               decomposition of compounds and the study of dynamic changes in                  the surface structures of materials.  Microscopic                               characterization of specimens reacted outside the microscope will               also be studied.                                                                                                                                                In addition, the class of binary and ternary materials with a                   structure related to that of CaF2 are to be further studied (e.g.               the binary rare earth oxides and calcia-stabilized zirconia).  In               particular preparation and structure including defects will be                  emphasized.  These anion-deficient materials are of great                       interest scientifically because of several types of solid state                 behavior requiring clarification and technically important as                   reactor fuels, high-temperature and high-strength ceramics, fast-               ion solid electrolytes, and specific ion electrode sensors.
{'FirstName': 'LeRoy', 'LastName': 'Eyring', 'PI_MID_INIT': None, 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'LeRoy Eyring', 'EmailAddress': 'LEyring@asu.edu', 'NSF_ID': '000422209', 'StartDate': '03/01/1989', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'Arizona State University', 'CityName': 'TEMPE', 'ZipCode': '852813670', 'PhoneNumber': '4809655479', 'StreetAddress': '660 S MILL AVENUE STE 204', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Arizona', 'StateCode': 'AZ', 'CONGRESSDISTRICT': '04', 'CONGRESS_DISTRICT_ORG': 'AZ04', 'ORG_UEI_NUM': 'NTLHJXM55KZ6', 'ORG_LGL_BUS_NAME': 'ARIZONA STATE UNIVERSITY', 'ORG_PRNT_UEI_NUM': None}
{'Name': None, 'CityName': None, 'StateCode': None, 'ZipCode': None, 'StreetAddress': None, 'CountryCode': None, 'CountryName': None, 'StateName': None, 'CountryFlag': None, 'CONGRESSDISTRICT': None, 'CONGRESS_DISTRICT_PERF': '""'}
[{'Code': '1762', 'Text': 'SOLID STATE & MATERIALS CHEMIS'}, {'Code': '9120', 'Text': 'CROSS-DIRECTORATE PROGRAMS'}]
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1988&All=true', 'xml': '8820017.xml'}