Schmidt, V. HugoWestern, Arthur B.Baker, A. G.Bacon, Charles R.2015-04-132015-04-131978-01V.H. Schmidt, A.B. Western, A.G. Baker, and C.R. Bacon, “Tricritical point and tricritical exponent δ in KH2PO4,â€� Ferroelectrics 20, 169-170 (1978).0015-0193https://scholarworks.montana.edu/handle/1/8964Static dielectric results for a KH2PO4 crystal at pressures of 0, 2, and 2. 4 kbar are analyzed in terms of a Landau free energy expansion using the “isopol” technique. The measured exponent δ at 2. 4 kbar is consistent with the mean-field tricritical value of 5. This result and the Landau parameter values indicate a tricritical point near 2. 4 kbar.Condensed matter physicsPhysicsApplied mathematicsArticle