Presidential Young Investigator Award/Spectroscopy and      Reactivity of Molecular Clusters
{'Code': '03090004', 'Directorate': {'Abbreviation': 'MPS', 'LongName': 'Direct For Mathematical & Physical Scien'}, 'Division': {'Abbreviation': 'CHE', 'LongName': 'Division Of Chemistry'}}
{'SignBlockName': 'Francis J. Wodarczyk', 'PO_EMAI': None, 'PO_PHON': None}
Dr Johnson is carrying out a program of research involving the                  determination of structural information on ionic clusters.  He                  is using stimulated Raman spectroscopy as a general means for                   vibrationally exciting the clusters where the excitation is                     detected by monitoring the photodissociation products.  He is                   also extending cluster ion studies to probe the detailed                        dynamics of chemical reactions.  The approach relies on                         trapping reactants together in the unreacted form of a cluster                  ion, cooling the cluster to a local minimum in the potential                    energy surface, and then triggering the reaction in a                           controlled way using selective vibrational excitation.  As a                    future direction he intends to solvate the cluster before                       triggering the reaction to investigate the detailed way in                      which surrounding molecules affect the reaction dynamics.                                                                                                       This work is important because clusters are at the focus of                     interest in several rapidly advancing technologies, including                   information recording, industrial catalysis, photography, and                   microelectronics, and as models for new materials.  In his                      research program Dr. Johnson is initiating a new avenue of                      research on semiconductor materials, involving clusters of                      mixed transition metal and semiconductor clusters.
{'FirstName': 'Mark', 'LastName': 'Johnson', 'PI_MID_INIT': 'A', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Mark A Johnson', 'EmailAddress': 'mark.johnson@yale.edu', 'NSF_ID': '000451814', 'StartDate': '07/01/1987', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'Yale University', 'CityName': 'NEW HAVEN', 'ZipCode': '065113572', 'PhoneNumber': '2037854689', 'StreetAddress': '150 MUNSON ST', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Connecticut', 'StateCode': 'CT', 'CONGRESSDISTRICT': '03', 'CONGRESS_DISTRICT_ORG': 'CT03', 'ORG_UEI_NUM': 'FL6GV84CKN57', 'ORG_LGL_BUS_NAME': 'YALE UNIV', 'ORG_PRNT_UEI_NUM': 'FL6GV84CKN57'}
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{'Code': '1960', 'Text': 'STRUCTURE AND REACTIVITY'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1986&All=true', 'xml': '8657511.xml'}