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M. R. Chaves

Observed names: Chaves, M. R., Chaves, M.R., M R Chaves, M. R. CHAVES, M.R Chaves, M.R. Chaves
OpenAlex ID: A5111286361
Dielectric, infrared, and Raman response of undoped SrTiO3 ceramics: Evidence of polar grain boundaries
2001 · J. Petzelt, T. Ostapchuk, et al. · Physical review. B, Condensed matter · 283
Spin-phonon coupling and magnetoelectric properties: EuMnO3 versus GdMnO3
2009 · W. S. Ferreira, J. Agostinho Moreira, et al. · Physical Review B · 122
Polarization-dependent Raman spectra of heteroepitaxial (Ba,Sr)TiO3/MgO thin films
2002 · Yu. I. Yuzyuk, V. A. Alyoshin, et al. · Physical review. B, Condensed matter · 64
Role of trivalent Sr substituents and Sr vacancies in tetragonal and polar states of SrTiO3
2011 · A. Tkach, T.M. Correia, et al. · Acta Materialia · 48
Critical behaviour in (BPI)x(BP)1−x
1990 · M. L. Santos, J. C. Azevedo, et al. · Ferroelectrics · 48
Coupling between phonons and magnetic excitations in orthorhombic Eu1−xYxMnO3
2010 · J. Agostinho Moreira, A. Almeida, et al. · Physical Review B · 44
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Dielectric and pyroelectric behaviour in (BPI)x(BP)1−x
1993 · M. L. Santos, M. R. Chaves, et al. · Ferroelectrics Letters Section · 40
X‐Ray Study of the System BP1−xBPIx
1995 · M. Lopes Dos Santos, J. M. Kiat, et al. · physica status solidi (b) · 33
Dielectric constant and phase transition sequence in betaine calcium chloride dihydrate
1989 · J L Ribeiro, M R Chaves, et al. · Journal of Physics Condensed Matter · 31
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Pyroelectric detection of high-order commensurate phases with a narrow range of stability in betaine calcium chloride dihydrate
1989 · J. L. Ribeiro, M. R. Chaves, et al. · Physical review. B, Condensed matter · 31
Enhancement of tetragonality and role of strontium vacancies in heterovalent doped SrTiO3
2011 · A. Tkach, A. Almeida, et al. · Applied Physics Letters · 30
Soft Mode in Heteroepitaxial (Ba, Sr)TiO3MgO Thin Films
2000 · Yu.I. Yuzyuk, A. Almeida, et al. · physica status solidi (b) · 30
EPR in Mn2+ doped betaine calcium chloride dihydrate single crystals
1988 · J.L. Ribeiro, J.C. Fayet, et al. · Journal de physique · 30
Raman spectroscopic study of the phase transitions and pseudospin phonon coupling in sodium ammonium sulphate dihydrate
2007 · J. Agostinho Moreira, A. Almeida, et al. · Physical Review B · 27
Phenomenological model for the phase-transition sequence in betaine calcium chloride dihydrate
1990 · J. L. Ribeiro, J. C. Tolédano, et al. · Physical review. B, Condensed matter · 27
Ferroelectric and antiferroelectric modes in a new chiral thiobenzoate liquid crystal
1996 · P. Simeão Carvalho, M. R. Chaves, et al. · Liquid Crystals · 24
Elastic-neutron-scattering study of the devil’s-staircase behavior in deuterated betaine calcium chloride dihydrate
1992 · A. Almeida, M. R. Chaves, et al. · Physical review. B, Condensed matter · 24
Phase diagram of the orthorhombic, lightly lutetium doped EuMnO 3 magnetoelectric system
2011 · J. Oliveira, J. Agostinho Moreira, et al. · Physical Review B · 22
Structure and physical properties of Eu0.8Y0.2MnO3 ceramics
2010 · J. Agostinho Moreira, A. Almeida, et al. · Journal of Electroceramics · 18
Critical Exponents and Randomness in SrTiO3 : Ca
1994 · M. Maglione, M. Lopes Dos Santos, et al. · physica status solidi (b) · 18
Pyroelectric effect in BCCD
1988 · J. L. Ribeiro, M. R. Chaves, et al. · Ferroelectrics Letters Section · 18
Study of lattice dynamics and phase transitions in betaine phosphate by comparison with betaine phosphite via infrared reflectivity spectroscopy
1997 · M L Santos, A Almeida, et al. · Journal of Physics Condensed Matter · 15
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Tricritical point induced by atomic substitution in BixSb1–xSI
1981 · M. K. Teng, M. Massot, et al. · physica status solidi (a) · 15
Detailed Structural X-Ray Study of (Betaine Phosphate)1?x(Betaine Phosphite)x Compounds
1997 · M.L. Santos, L.C.R. Andrade, et al. · physica status solidi (b) · 13
Lithium-induced dielectric relaxations in potassium tantalate ceramics
2011 · A Tkach, A Almeida, et al. · Journal of Physics D Applied Physics · 12
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Works count: 134
Citation count: 1,525
H-index: 18
I10-index: 39
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