| Phase transitions and coexistence of magnetic and electric orders in the methylhydrazinium metal formate frameworks M Mączka, A Gagor, M Ptak, W Paraguassu, TA da Silva, A Sieradzki, ... Chemistry of Materials 29 (5), 2264-2275, 2017 | 145 | 2017 |
| Pressure-induced structural phase transitions and amorphization in selected molybdates and tungstates M Maczka, AG Souza Filho, W Paraguassu, PTC Freire, J Mendes Filho, ... Progress in materials science 57 (7), 1335-1381, 2012 | 123 | 2012 |
| Phonon calculation on olivine‐like LiMPO4 (M = Ni, Co, Fe) and Raman scattering of the iron‐containing compound W Paraguassu, PTC Freire, V Lemos, SM Lala, LA Montoro, JM Rosolen Journal of Raman Spectroscopy: An International Journal for Original Work in …, 2005 | 89 | 2005 |
| Impedance spectroscopy analysis of BaFe12O19 M-type hexaferrite obtained by ceramic method RM Almeida, W Paraguassu, DS Pires, RR Correa, ... Ceramics International 35 (6), 2443-2447, 2009 | 88 | 2009 |
| Phonons in ferroelectric Bi2WO6: Raman and infrared spectra and lattice dynamics M Maczka, J Hanuza, W Paraguassu, G Souza Filho, ... Applied Physics Letters 92 (11), 2008 | 84 | 2008 |
| A comparative study of negative thermal expansion materials Sc2 (MoO4) 3 and Al2 (WO4) 3 crystals W Paraguassu, M Maczka, AG Souza Filho, PTC Freire, FEA Melo, ... Vibrational spectroscopy 44 (1), 69-77, 2007 | 70 | 2007 |
| Phonon-instability-driven phase transitions in ferroelectric Bi 2 W O 6: Eu 3+: High-pressure Raman and photoluminescence studies M Maczka, W Paraguassu, AG Souza Filho, PTC Freire, J Mendes Filho, ... Physical Review B 77 (9), 094137, 2008 | 69 | 2008 |
| Pressure-induced structural transformations in the molybdate W Paraguassu, M Maczka, AG Souza Filho, PTC Freire, J Mendes Filho, ... Physical Review B 69 (9), 094111, 2004 | 68 | 2004 |
| High-pressure Raman study of Al2 (WO4) 3 M Maczka, W Paraguassu, AG Souza Filho, PTC Freire, J Mendes Filho, ... Journal of Solid State Chemistry 177 (6), 2002-2006, 2004 | 65 | 2004 |
| Temperature‐dependent Raman scattering studies of Na2MoO4 GD Saraiva, W Paraguassu, M Maczka, PTC Freire, JA Lima Jr, ... Journal of Raman Spectroscopy: An International Journal for Original Work in …, 2008 | 62 | 2008 |
| Temperature-and pressure-induced phase transitions in the metal formate framework of [ND₄][Zn (DCOO) ₃] and [NH₄][Zn (HCOO) ₃]. M Mączka, P Kadłubański, PT Freire, B Macalik, W Paraguassu, ... Inorganic Chemistry 53 (18), 9615-9624, 2014 | 57 | 2014 |
| Effect of solvent, temperature and pressure on the stability of chiral and perovskite metal formate frameworks of [NH 2 NH 3][M (HCOO) 3](M= Mn, Fe, Zn) M Mączka, K Pasińska, M Ptak, W Paraguassu, TA da Silva, A Sieradzki, ... Physical Chemistry Chemical Physics 18 (46), 31653-31663, 2016 | 56 | 2016 |
| Temperature‐induced phase transformations in Na2WO4 and Na2MoO4 crystals CL Lima, GD Saraiva, PTC Freire, M Maczka, W Paraguassu, ... Journal of Raman Spectroscopy 42 (4), 799-802, 2011 | 56 | 2011 |
| Temperature- and Pressure-Induced Phase Transitions in the Metal Formate Framework of [ND4][Zn(DCOO)3] and [NH4][Zn(HCOO)3] M Mączka, P Kadłubański, PTC Freire, B Macalik, W Paraguassu, ... Inorganic Chemistry 53 (18), 9615-9624, 2014 | 54 | 2014 |
| Temperature‐dependent Raman scattering studies on Na2Mo2O7 disodium dimolybdate GD Saraiva, W Paraguassu, M Maczka, PTC Freire, FF De Sousa, ... Journal of Raman Spectroscopy 42 (5), 1114-1119, 2011 | 49 | 2011 |
| Structural, thermal, dielectric and phonon properties of perovskite-like imidazolium magnesium formate M Mączka, NLM Costa, A Gągor, W Paraguassu, A Sieradzki, J Hanuza Physical Chemistry Chemical Physics 18 (20), 13993-14000, 2016 | 47 | 2016 |
| Raman and IR Studies of Pressure- and Temperature-Induced Phase Transitions in [(CH2)3NH2][Zn(HCOO)3] M Mączka, TA da Silva, W Paraguassu, M Ptak, K Hermanowicz Inorganic Chemistry 53 (23), 12650-12657, 2014 | 47 | 2014 |
| Lattice dynamics and low‐temperature Raman spectroscopy studies of PMN–PT relaxors JA Lima, W Paraguassu, PTC Freire, AG Souza Filho, CWA Paschoal, ... Journal of Raman Spectroscopy: An International Journal for Original Work in …, 2009 | 45 | 2009 |
| Raman scattering studies of pressure-induced phase transitions in perovskite formates [(CH3) 2NH2][Mg (HCOO) 3] and [(CH3) 2NH2][Cd (HCOO) 3] M Mączka, TA Da Silva, W Paraguassu, KP Da Silva Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 156, 112-117, 2016 | 39 | 2016 |
| Pressure-induced phase transitions in ferroelectric Bi2MoO6—a Raman scattering study M Mączka, PTC Freire, C Luz-Lima, W Paraguassu, J Hanuza, ... Journal of Physics: Condensed Matter 22 (1), 015901, 2009 | 39 | 2009 |
Paulo Tarso Cavalcante FreireDepartamento de Física, Universidade Federal do CearáVerified email at fisica.ufc.br
