Paulo Tarso Cavalcante Freire
Paulo Tarso Cavalcante Freire
Departamento de Física, Universidade Federal do Ceará
Verified email at - Homepage
Cited by
Cited by
Raman evidence for pressure-induced formation of diamondene
LGP Martins, MJS Matos, AR Paschoal, PTC Freire, NF Andrade, ...
Nature communications 8 (1), 96, 2017
High-pressure Raman study of L-alanine crystal
AMR Teixeira, PTC Freire, AJD Moreno, JM Sasaki, AP Ayala, ...
Solid state communications 116 (7), 405-409, 2000
Raman scattering study of the system: Rhombohedral-monoclinic-tetragonal phase transitions
AG Souza Filho, KCV Lima, AP Ayala, I Guedes, PTC Freire, FEA Melo, ...
physical review B 66 (13), 132107, 2002
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
Raman scattering of L‐valine crystals
JA Lima Jr, PTC Freire, RJC Lima, AJD Moreno, J Mendes Filho, ...
Journal of Raman Spectroscopy: An International Journal for Original Work in …, 2005
Raman study of morphotropic phase boundary in at low temperatures
KCV Lima, AG Souza Filho, AP Ayala, J Mendes Filho, PTC Freire, ...
Physical Review B 63 (18), 184105, 2001
High temperature Raman spectra of L-leucine crystals
PF Façanha Filho, PTC Freire, KCV Lima, J Mendes Filho, FEA Melo, ...
Brazilian journal of physics 38, 131-137, 2008
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
Polarized Raman spectra and infrared analysis of vibrational modes in L-threonine crystals
BL Silva, PTC Freire, FEA Melo, I Guedes, A Silva, J Mendes Filho, ...
Brazilian Journal of Physics 28, 19-24, 1998
Pressure-induced phase transitions in monohydrated l-asparagine aminoacid crystals
AJD Moreno, PTC Freire, FEA Melo, MAA Silva, I Guedes, J Mendes Filho
Solid state communications 103 (12), 655-658, 1997
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
Pressure-induced collapse in double-walled carbon nanotubes: chemical and mechanical screening effects
AL Aguiar, EB Barros, RB Capaz, AG Souza Filho, PTC Freire, JM Filho, ...
The Journal of Physical Chemistry C 115 (13), 5378-5384, 2011
Raman spectra of L‐isoleucine crystals
FM Almeida, PTC Freire, RJC Lima, CMR Remédios, J Mendes Filho, ...
Journal of Raman Spectroscopy: An International Journal for Original Work in …, 2006
Raman scattering studies of monohydrated L-asparagine
AJD Moreno, PTC Freire, I Guedes, FEA Melo, J Mendes-Filho, ...
Brazilian journal of physics 29, 380-387, 1999
Raman spectroscopy of amino acid crystals
PT Freire, FM Barboza, JA Lima, FE Melo, J Mendes Filho
Raman Spectroscopy and Applications 201, 171, 2017
High pressure Raman spectra of L‐methionine crystal
JA Lima, PTC Freire, FEA Melo, V Lemos, J Mendes Filho, PS Pizani
Journal of Raman Spectroscopy: An International Journal for Original Work in …, 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
Phonon-instability-driven phase transitions in ferroelectric : High-pressure Raman and photoluminescence studies
M Maczka, W Paraguassu, AGS Filho, PTC Freire, JM Filho, J Hanuza
Physical Review B—Condensed Matter and Materials Physics 77 (9), 094137, 2008
The behavior of NH3 torsional vibration of L-alanine, L-threonine and taurine crystals under high pressure: a Raman spectroscopic study
PTC Freire, FEA Melo, J Mendes Filho, RJC Lima, AMR Teixeira
Vibrational Spectroscopy 45 (2), 99-102, 2007
Raman scattering and x-ray diffraction studies of polycrystalline under high-pressure
D Valim, AG Souza Filho, PTC Freire, SB Fagan, AP Ayala, ...
Physical Review B 70 (13), 132103, 2004
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