The positive parity states in even-even 152-166 Dy are studied systematically in the framework of the interacting boson model(IBM). A cubic term, L = 3, has bee
The bilayer compounds[n-CnH2n+1N(CH3)3]2Zn Cl4(n=16,18)experience solid-solid phase transition within the temperature range of 310 to 340 K.The low-temperature