References
- Aizu , K. 1969 . Possible species of “ferroelastic” crystals and of simultaneously ferroelectric and ferroelastic crystals . J. Phys. Soc. Japan , 27 : 387
- Asahi , T. , Hasebe , K. and Gesi , K. 1992 . A structural study of [N(CH3)4]2CdBr4 in connection with its phase transition . J. Phys. Soc. Japan , 61 : 1590
- Asahi , T. and Hasebe , K. 1994 . Measurement of monoclinic angle in the ferroelastic phase of [N(CH3)4]2XBr4 (X = Zn, Co, Mn, Cd) . J. Phys. Soc. Japan , 63 : 2827
- Breczewski , T. , Gomez-Cuevas , A. , Bocanegra , E. H. , Igartua , J. M. and Arnáiz , A. R. 1992 . Ultrasonic and dilatometric study of the ferroelastic phase transition in [N(CH3)4]2ZnBr4 crystal . Solid State Commun. , 82 : 401
- Etxebarria , J. , Breczewski , T. , Ezpeleta , J. M. and Arnaiz , A. R. 1990 . Optical study of the ferroelastic phase transition of [N(CH3)4]2ZnBr4 . Phase Transitions , 29 : 115
- Gesi , K. 1986 . Effect of hydrostatic pressure on the lock-in transitions in tetramethylammonium tetrahalogenometallic compounds [N(CH3)4]2XY4 . Ferroelectrics , 66 : 269
- Gopal , E. S. R. 1966 . Specific Heat at Low Temperatures , London : Heywood Books .
- Harada , S. , Iwata , M. and Ishibashi , Y. 1992 . Measurement of elastic constant in [N(CH3)4]2ZnBr4 . J. Phys. Soc. Japan , 61 : 3436
- Hasebe , K. and Asahi , T. 1989 . Structure of tetramethylammonium tetrabromomanganate at room temperature . Acta Cryst. C , 45 : 841
- Igartua , J. M. , Ruiz-Larrea , 1. , Couzi , M. , López-Echarri , A. and Breczewski , T. 1991 . Calorimetric and Raman study of the phase transition in [N(CH3)4]2ZnBr4 . Phys. Status Solid (b) , 168 : 67
- López-Echarri , A. , Ruiz , I. , Larrea Díaz-Hernández , J. , Aguirre-Zamalloa , G. and Tello , M. J. 1997 . Different contributions to the specific heat in A2BX4 and ABX3 crystals with tetramethylammonium groups . Phase Transitions , 64 : 1
- Ruiz-Larrea , I. , Fraile-Rodríguez , A. , Arnáiz , A. and López-Echarri , A. 2000 . The specific heat of tetramethylammonium salts . J. Therm. Anal , (accepted for publication)
- Sawada , A. 1991 . Sublattice strain, ferrodistortive crystal and ferrielastics . J. Phys. Soc. Japan , 60 : 3593
- Sawada , A. , Matsumoto , H. and Tanaka , K. 1993 . Domain structures at ferrodistortive phase transitions in [N(CH3)4]2ZnBr4 and related crystals . Ferroelectrics , 140 : 245
- Schreiber , E. , Anderson , O. L. and Soga , N. 1973 . Elastic Constants and Their Measurements , 29 New York : McGraw Hill Book Company .
- Shimizu , H. , Abe , N. , Kokubo , N. , Fujimoto , S. , Yamaguchi , T. and Sawada , S. 1980 . Pressure-induced ferroelectricity in [N(CH3)4]2FeCl4 . Solid State Commun. , 34 : 363
- Shimomura , S. , Fujii , Y. and Hamaya , N. 1995 . Hydrostatic pressure effect on the ferroelastic monoclinic phase of [N(CH3)4]2MCl4 (M = Fe, Zn) . J. Phys. Soc. Japan , 64 : 4759