References
- R. Parashkov, A. Brehier, A. Georgiev, S. Bouchoule, X. Lafosse, and J. Lauret, Progress in Advanced Materials Research. In: N H. Voler ed. New York: Nova Science; Chapter 4 (2007).
- N. Kitazawa, Y. Watanabe, Optical properties of natural quantum-well compounds (C6H5-CnH2n‒NH3)2PbBr4 (n = 1–4). J. Phy. Chem. Sol. 71, 797–802 (2010).
- Z. Glavcheva, H. Umezawa, S. Okada, and H. Nakanishi, New pyridinium metal iodide complexes toward nonlinear optical material. Mater lett. 58, 2466–2477 (2004).
- S. Sawada, M. Takashige, F. Shimizu, S. Suzuki, and T. Yamaguchi, Ferroelectricity in A2BX4–type halide compounds. Ferroelectrics. 169, 207–214 (1995).
- L J. De Jongh, and A. R. Miedema, Experiments on Simple Magnetic Model Systems. Adv. Phys. 50, 947 (2001).
- K. Tanaka, T. Shimada, Y. Nashihata, and A. Sawada, Roles of cation and anion molecules in ferrodistortive phase transition in [A(CH3)4]2XBr4 type crystals. J Phys Soc Jpn. 64, 146–154 (1995).
- K. Tanaka, and A. Sawada, Ferroelasticity in [P(CH3)4]2CoBr4. J Phys Soc Jpn. 62, 1837–1839 (1993).
- M. Pressprich, R. D. Willett, Structures of the P21/c phases of [(CH3)4P]2CoI4 and[(CH3)4P]2CoBr4. Acta Crystallogr. C47, 1188–1191 (1991).
- S. Jerbets, M. Zou, and R. D. Willett, Crystallographic study of the phase transition in (Me4P)2ZnBr4. J Phys Chem Sol. 63, 793–799 (2002).
- M. F. Mostafa, A. S. Atallah, and M. ElEssawi, Preparation and characterization of a new series of perovskite-like structures showing evidence of structural transitions: (methyltriphenylphosphnium)2 BX4, B˭Mn, Co, Cu and Hg, and X˭C1/I. Phase Transitions. 64, 215–227 (1998).
- M. F. Mostafa, A. A. Youssef, Th. Sh. ElDean, A. M. Mostafa, and I. S. Farag, Synthesis, characterization and impedance spectroscopy of the new material [CH3(C6H5)3P]2CoBr4: a member of the A2BX4 family. Cryst. Res Technol. 43, 547–560 (2008).
- M. F. Mostafa, A. A. Youssef, Th. ElDean, A. M. Mostafa, and I. S. Farag, Preparation, characterization and crystal structure of the room temperature phase of [CH3(C6H5)3P]2[ZnBr4]: A member of the A2BX4 family. Z. Naturforsch. 62a, 549–554 (2007).
- M. F. Mostafa, and A. S. Atallah, Permittivity and ac conductivity study of the layered perovskite [CH3(C6H5)P]2MnCl4 showing evidence of phase transition. Phys lett. A264, 242–248 (1999).
- M. Stewart, M. G. Cain, and D. A. Hall, Ferroelectric Hysteresis Measurement & Analysis. NPL Report CMMT(A). 152 (1999).
- S. H. Morgan, E. Siberman, and J. M. Springer, Laboratory experiment on the measurement of pyroelectric coefficients. Am J Phys. 52, 542–544 (1984).
- P. E. Werner, L. Eriksson, and M. Westdahl, TREOR, a semi-exhaustive trial-and-error powder indexing program for all symmetries. J Appl Cryst. 18, 367–370 (1985).
- CHEKCELL, by J. Laugier, and B. Bochu, distributed free from the CCP14; website: http://www.ccp14.ac.uk/tutorial/lmgp/