Spectroscopic Determination of the Thermodynamic Properties of Minerals as a Function of Pressure
{'Code': '06030107', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'EAR', 'LongName': 'Division Of Earth Sciences'}}
{'SignBlockName': 'John L. Snyder', 'PO_EMAI': None, 'PO_PHON': None}
The proposed research involves use of vibrational spectroscopy at               pressure in order to (1) provide data on heat capacity, entropy,                and the thermal Gruneisen parameter for pressure and temperature                regions inaccessible to calorimetry and (2) characterize                        structural changes of minerals with pressure.  In addition,                     complete single-crystal IR spectra will be acquired (1) to                      replace the inaccurate and incomplete powder data that is                       currently available, and (2) to correctly interpet the high-                    pressure measurements.  Theoretical treatments proposed are to                  (1) develop a formulation relating the shear modulus and its                    pressure derivatives to vibrational data at pressure, and (2)                   provide an empirical formulation for thermal expansivity that can               be extrapolated beyond the range of measurements.  Combination of               the data with such theoretical work will advance knowledge of the               thermodynamic and elastic properties of minerals.  The ultimate                 goal is deduction of the  composition and thermal character of                  the earth's interior through comparision to seismic models.
{'FirstName': 'Anne', 'LastName': 'Hofmeister', 'PI_MID_INIT': 'M', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Anne M Hofmeister', 'EmailAddress': 'hofmeist@levee.wustl.edu', 'NSF_ID': '000285030', 'StartDate': '01/01/1989', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of California-Davis', 'CityName': 'DAVIS', 'ZipCode': '956186153', 'PhoneNumber': '5307547700', 'StreetAddress': '1850 RESEARCH PARK DR STE 300', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'California', 'StateCode': 'CA', 'CONGRESSDISTRICT': '04', 'CONGRESS_DISTRICT_ORG': 'CA04', 'ORG_UEI_NUM': 'TX2DAGQPENZ5', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF CALIFORNIA, DAVIS', 'ORG_PRNT_UEI_NUM': 'NUDGYLBB4S99'}
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[{'Code': '1573', 'Text': 'Petrology and Geochemistry'}, {'Code': '9120', 'Text': 'CROSS-DIRECTORATE PROGRAMS'}]
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