X-Ray Standing Wave Investigation of Heteroepitaxy:         Alkali Halides on Germanium
{'Code': '03070003', 'Directorate': {'Abbreviation': 'MPS', 'LongName': 'Direct For Mathematical & Physical Scien'}, 'Division': {'Abbreviation': 'DMR', 'LongName': 'Division Of Materials Research'}}
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A research program is proposed which utilizes the unique                        capabilities of x-ray standing wave experiments to determine the                                                                                                structure of chemically distinct overlayers epitaxially grown on                                                                                                nearly perfect crystalline substrates.  The growth habits of                    lattice matched alkali halides on germanium surfaces shall be                   studied in a specially configured ultra high vacuum analysis                    system which include high energy electron diffraction andAuger                  electron spectroscopy.  This apparatus shall also be well-suited                                                                                                to investigate standing waves excited by an incident high energy                                                                                                electron beam, which may prove to be new surface structure probe                                                                                                of wide applicability.  A successful study of I-Vii heteroepitaxy                                                                                               on germanium will permit the engineering of heterostructures with                                                                                               major perturbations in optical properties over atomic distances,                an entirely new class of materials with excitations in the near                 ultra-violet.  These materials may have important technological                 applications, such as the possible development of new ultra-                    violet lasers.
{'FirstName': 'Stephen', 'LastName': 'Durbin', 'PI_MID_INIT': 'M', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Stephen M Durbin', 'EmailAddress': 'durbin@purdue.edu', 'NSF_ID': '000296832', 'StartDate': '08/01/1987', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
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[{'Code': '1761', 'Text': 'SOLID STATE PHYSICS'}, {'Code': '1772', 'Text': 'CERAMICS & ELECTRONIC MATERIAL'}]
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