Research in Undergraduate Institutions:  Experimental       Studies of Excess Inverse Frequency Noise in SQUID Systems  (Materials Research)
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{'SignBlockName': 'E. Diane Ruffner', 'PO_EMAI': None, 'PO_PHON': None}
The inverse frequency (1/f) noise of a superconducting quantum                  interference device (SQUID) is investigated.  These experimental                studies will determine the importance of factors relating to the                measurement environment with the SQUID.  The environment is found to            introduce greater noise than the intrinsic noise of the SQUID.  A new           understanding of many of the suspected sources of the environmental             noise and their relative importance will be obtained.  The                      environmental sources of noise to be studied include thermomagnetic             noise, noise effects of ambient magnetic fields, sensor temperature             variation effects, and readout circuit instability effects.                     Technological applications are anticipated since the SQUIDs are used            increasingly in sensitive measurement applications.
{'FirstName': 'James', 'LastName': 'Lockhart', 'PI_MID_INIT': 'M', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'James M Lockhart', 'EmailAddress': 'lockhart@stars.sfsu.edu', 'NSF_ID': '000278289', 'StartDate': '08/01/1985', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
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