Institute of Solid State Physics, University of Latvia (ISSP UL) was established in 1978 on the basis of two Laboratories: Semiconductor Physics and Ferro- and Piezoelectric Physics. Since 1986 the ISSP UL had the legal status of an independent scientific institution of the University. In 2006 ISSP UL was reorganized as the agency of the University of Latvia in 2006. Institute was transformed to the Scientific institute of University of Latvia