Luis Ghivelder
Instituição:
Universidade Federal do Rio de Janeiro
Centro:
Centro de Ciências Matemáticas e da Natureza
Unidade:
Instituto de Física
Departamento:
Departamento de Física e Matemática/I Fis
Formação:
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Universidade Federal do Rio de Janeiro
| Pós-Doutorado | 1988 - 1992
-
University of Cambridge
Física | Doutorado | 1983 - 1988
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Pontifícia Universidade Católica do Rio de Janeiro
Física | Mestrado | 1981 - 1983
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Pontifícia Universidade Católica do Rio de Janeiro
Física | Graduação | 1977 - 1980
Laboratórios:
Nuvens de Palavras:
Artigos:
(99.35% artigos com DOI)
Titulo | DOI | Ano |
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Synthesis, crystal structure and magnetic properties of two 1D coordination polymers containing Co2+ and Cu2+ ions and 1,3,5-tris(4-carboxylphenyl)benzene | 10.1016/j.molstruc.2024.137811 | 2024 |
Correction to -Giant Piezomagnetism in Mn NiN- | 10.1021/acsami.3c16464 | 2024 |
Low hysteretic magnetostructural transformation in Cr-doped Ni-Mn-Ga Heusler alloy | 10.1016/j.jallcom.2022.168444 | 2023 |
Order-disorder phase transition and elastic-to-plastic vortex creep crossover in a triclinic iron pnictide superconductor (Ca$$_{0.85}$$La$$_{0.15}$$)$$_{10}$$(Pt$$_3$$As$$_8$$)(Fe$$_2$$As$$_2$$)$$_5$$ | 10.1038/s41598-023-43424-z | 2023 |
Increasing the Magnetic Order Temperature in Co 3 O 2 BO 3 :In Ludwigite | 10.1021/acs.inorgchem.3c02136 | 2023 |
Metamagnetic transitions induced by doping with non-magnetic 4+ ions in ludwigites Co5A(O2BO3)2 (A=Zr and Hf) | 10.1016/j.jallcom.2021.161717 | 2022 |
Magnetocaloric effect in nanocrystalline manganite bilayer thin films | 10.1016/j.jmmm.2022.169545 | 2022 |
Second magnetization peak, anomalous field penetration, and Josephson vortices in KCa$$_2$$Fe$$_4$$As$$_4$$F$$_2$$ bilayer pnictide superconductor | 10.1038/s41598-022-24012-z | 2022 |
Magnetocaloric effect in Ni2(Mn,Cu)Ga0.84Al0.16 Heusler alloys | 10.1016/j.jmmm.2021.167965 | 2021 |
Critical behavior at high magnetic fields in LaPr(Ca,Sr)MnO manganites | 10.1016/j.physb.2021.413055 | 2021 |
Critical behavior investigated through magnetocaloric effect in PrSrMnO and Pr(Sr,Ca)MnO manganites | 10.1016/j.jmmm.2021.168059 | 2021 |
Barocaloric properties of quaternary for room-temperature refrigeration applications | 10.1103/PhysRevB.104.134101 | 2021 |
Structural and spectroscopic investigation of the charge-ordered, short-range ordered, and disordered phases of the ludwigite | 10.1103/PhysRevB.104.195151 | 2021 |
Effect of A-site disorder on the magnetic transition in doped Sr2YRuO6 double perovskites | 10.1016/j.jmmm.2019.165780 | 2020 |
Vortex dynamics and phase diagram in the electron-doped cuprate superconductor | 10.1103/PhysRevB.102.064509 | 2020 |
Experimentally correlating thermal hysteresis and phase compatibility in multifunctional Heusler alloys | 10.1103/physrevmaterials.4.114403 | 2020 |
Strong pinning in the hole-doped pnictide superconductor La Na Fe As | 10.1063/1.5088823 | 2019 |
Study of Nb0.18Re0.82 non-centrosymmetric superconductor in the normal and superconducting states | 10.1088/1361-6668/ab06a5 | 2019 |
Magnetic, electronic, structural, and thermal properties of the ludwigite in the paramagnetic state | 10.1103/PhysRevB.100.165138 | 2019 |
Doping Dependence of the Second Magnetization Peak, Critical Current Density, and Pinning Mechanism in BaFe 2- x Ni x As 2 Pnictide Superconductors | 10.1021/acsaelm.8b00014 | 2019 |
Giant magnetic-field-induced strain in Ni 2 MnGa-based polycrystal | 10.1016/j.jallcom.2017.12.197 | 2018 |
Thermal cycling effects on static and dynamic properties of a phase separated manganite | 10.1016/j.jmmm.2018.02.035 | 2018 |
Giant Piezomagnetism in Mn3NiN | 10.1021/acsami.8b03112 | 2018 |
Effects of proton irradiation on flux-pinning properties of underdoped Ba(Fe0.96Co0.04)2As2 pnictide superconductor | 10.1016/j.jallcom.2016.10.103 | 2017 |
Non-linear conduction due to depinning of charge order domains in Fe O BO | 10.1088/1361-648X/aa6960 | 2017 |
Plastic pinning replaces collective pinning as the second magnetization peak disappears in the pnictide superconductor | 10.1103/PhysRevB.95.134509 | 2017 |
Boron-substitution and defects in B2-type AlNi compound: Site-preference and influence on structural, thermodynamic and electronic properties | 10.1016/j.jallcom.2016.01.244 | 2016 |
Avalanche-like metamagnetic transition in (LaNd)CaMnO manganites | 10.1016/j.jallcom.2016.04.152 | 2016 |
Magnetic relaxation dynamics driven by the first-order character of magnetocaloric La(Fe,Mn,Si) | 10.1098/rsta.2015.0307 | 2016 |
Coupled magnetic and elastic properties in LaPr(CaSr)MnO manganites | 10.1016/j.physleta.2016.06.056 | 2016 |
Low-temperature specific heat in hydrogenated and Mn-doped | 10.1103/physrevb.94.134405 | 2016 |
The structure, magnetism and EPR spectra of a (μ-thiophenolato)(μ-pyrazolato-N,N-) double bridged dicopper( ) complex | 10.1039/C4DT03322A | 2015 |
Nonmagnetic ions enhance magnetic order in the ludwigite | 10.1103/physrevb.91.054402 | 2015 |
Signatures of filamentary superconductivity in antiferromagnetic BaFe2As2 single crystals | 10.1209/0295-5075/111/37005 | 2015 |
Magnetic structure driven by monoclinic distortions in the double perovskite Sr YRuO | 10.1088/1367-2630/17/10/103007 | 2015 |
Spin reorientation tuned by oxygen content in the double perovskite Sr2YRuO6 | 10.1016/j.ssc.2013.10.030 | 2014 |
Monoclinic distortion and magnetic coupling in the double perovskite Sr2−xCaxYRuO6 | 10.1016/j.jssc.2014.09.009 | 2014 |
Vortex dynamics as a function of field orientation in BaFe Ni As | 10.1088/0953-2048/26/2/025006 | 2013 |
Magnetostriction of Fe100−xVx alloys for 5.2¿x¿40.7 | 10.1016/j.jallcom.2012.11.034 | 2013 |
High magnetostriction of the polycrystalline alloy (Fe0.8Al0.2)97B3 | 10.1016/j.jallcom.2013.05.122 | 2013 |
A detailed study of the magnetic phase transition in CuCrO | 10.1088/0953-8984/25/49/496009 | 2013 |
Magnetic and thermal responses triggered by structural changes in the double perovskite Sr2YRuO6 | 10.1088/0953-8984/24/48/486001 | 2012 |
Enthalpy change in the magnetocaloric effect | 10.1063/1.4766296 | 2012 |
Fishtail and vortex dynamics in the Ni-doped iron pnictide BaFe1.82Ni0.18As2 | 10.1103/PhysRevB.84.052510 | 2011 |
Decoupling electrocaloric effect from Joule heating in a solid state cooling device | 10.1063/1.3665949 | 2011 |
Structural and magnetic properties of the oxyborate Co_{5}Ti(O_{2}BO_{3})_{2} | 10.1103/PhysRevB.81.024432 | 2010 |
Structural, hyperfine, and magnetic properties of R_{2}FeTaO_{7} compounds ( R=Y , Dy, Gd, and Eu) | 10.1103/PhysRevB.81.014417 | 2010 |
Planar magnetic interactions in the hulsite-type oxyborate Co(5.5)2Sb(0.48)[O(2)BO(3)]2 | 10.1103/PhysRevB.81.174403 | 2010 |
Flux dynamics associated with the second magnetization peak in the iron pnictide Ba(1-x)K(x)Fe(2)As(2) | 10.1103/PhysRevB.82.054513 | 2010 |
Magnetocaloric effect in manganites: metamagnetic transitions for magnetic refrigeration | 10.1063/1.3491175 | 2010 |
Paramagnetic Meissner Effect and AC Magnetization in Roll-Bonded Cu-Nb Layered Composites | 10.1007/s10948-010-0810-0 | 2010 |
Two-dimensional frustrated magnetic state in superconducting RuSr2Eu1.5Ce0.5Cu2O10 | 10.1103/PhysRevB.79.054506 | 2009 |
Partial magnetic ordering and crystal structure of the ludwigites Co2FeO2BO3 and Ni2FeO2BO3 | 10.1103/PhysRevB.79.134437 | 2009 |
Structural and Mössbauer Characterization of the Ball-Milled FeX(Cr2O3)1-X System | 10.1016/j.solidstatesciences.2009.04.032 | 2009 |
Magnetocaloric effect in phase separated manganite probed by differential thermal analysis | 10.1016/j.physb.2009.06.080 | 2009 |
Superconducting fluctuations in the reversible magnetization of the iron-pnictide Ba(1-x)K(x)Fe(2)As(2) | 10.1103/PhysRevB.80.014518 | 2009 |
Near zero magnetostriction of Fe-Ti alloys | 10.1088/0022-3727/42/16/165006 | 2009 |
Static critical exponents of the ferromagnetic transition in spin glass re-entrant systems | 10.1088/0953-8984/21/50/506006 | 2009 |
Magnetostriction of Fe-Sn polycrystalline alloys | 10.1016/j.jmmm.2008.02.043 | 2008 |
Structure and magnetism of homometallic ludwigites:Co3O2BO3 versus Fe3O2BO3 | 10.1103/PhysRevB.77.184422 | 2008 |
Equilibrium tuned by a magnetic field in phase separated manganite | 10.1088/0953-8984/20/34/345204 | 2008 |
Microstructural and magnetic characterization of CuNb/Nb3Sn wires with different architectures | 10.1109/TASC.2008.920575 | 2008 |
Superconducting current path and flux line shape in NbTiTa obtained by inter-diffusion process | 10.1088/0953-8984/20/46/465212 | 2008 |
Local probe of arrested kinetics in Gd5Ge4 | 10.1088/0953-8984/20/46/465212 | 2008 |
Magnetic and Magnetocaloric properties of La(Fe,Co)11.4SP1.6 compounds (SP=Al or Si) | 10.1016/j.jmmm.2006.09.010 | 2007 |
Experimental observation of quantum entanglement in low-dimensional spin systems | 10.1103/PhysRevB.75.054422 | 2007 |
Performance of as-reacted and multiple bent (?pre-bent?) practical Nb3Sn bronze route wires with different architecture | 10.1088/0953-2048/20/3/028 | 2007 |
Phase diagram of La(5/8-y)Nd(y)Ca(3/8)MnO(3) manganites | 10.1088/0953-8984/19/18/186226 | 2007 |
Determination of Hc1 in the magnetic superconductor Ru-1222 | 10.1016/j.physc.2007.03.085 | 2007 |
Magnetic phase diagram of La(0.225)Pr(0.40)Ca(0.375)MnO(3) manganite | 10.1016/j.physb.2007.04.016 | 2007 |
Correlation between electrical and magnetic properties of phase separated manganites studied with a general effective medium model | 10.1016/j.physb.2007.04.023 | 2007 |
Composition gradient as a source of pinning in Nb-Ti and NbTa-Ti superconductors | 10.1088/0953-8984/19/44/446204 | 2007 |
Thermodynamic modeling of phase separation in manganites | 10.1103/physrevb.73.014403 | 2006 |
Lower critical field and intragrain critical current density in the ruthenate-cuprate RuSr2Gd1.5Ce0.5Cu2O10 | 10.1140/epjb/e2006-00043-y | 2006 |
Spheroidization Effects on the Electrical and Magnetic Properties of Cu-Nb Composites | 10.1109/tasc.2005.864287 | 2006 |
Artificial pinning center Nb - Ti superconducting wire for AC application | 10.1088/0953-2048/19/10/013 | 2006 |
Magnetization scaling in the ruthenate-cuprate RuSrEuCeCuO (Ru-1222) | 10.1140/epjb/e2006-00393-4 | 2006 |
Size effects on the magnetic properties of Cu-Nb nanofilamentary wires processed by severe plastic deformation | 10.1088/0953-2048/19/12/002 | 2006 |
Annealing effects on the microstructure, electrical, and magnetic properties of jelly-rolled Cu-Nb composite wires | 10.1088/0953-2048/18/1/006 | 2005 |
Intergranular pinning potential and critical current in the magnetic superconductor RuSr2(Gd1.5Ce0.5)Cu2O10 | 10.1103/physrevb.71.064520 | 2005 |
Diffusion studies and critical current in superconducting Nb-Ti-Ta artificial pinning center wire | 10.1063/1.1845585 | 2005 |
Dynamic phase separation in La(5/8-y)Pr(y)Ca(3/8)MnO(3) | 10.1103/physrevb.71.184425 | 2005 |
The evolution of Nb recrystallization in a Cu-matrix: morphology of Nb and modulation of its critical fields in a wire configuration | 10.1088/0953-2048/18/9/001 | 2005 |
Low temperature irreversibility induced by thermal cycles on two prototypical phase separated manganites | 10.1016/j.jallcom.2003.09.045 | 2004 |
Magnetoresistance in phase-separated La0.5Ca0.5MnO3 manganite | 10.1016/j.jmmm.2003.12.739 | 2004 |
Nb?Ti superconductor wires with Cu as artificial pinning centers | 10.1016/j.physc.2004.02.084 | 2004 |
Magnetic field dependence of the intragrain transition in RuSr2GdCu2O8 | 10.1016/j.physc.2004.02.074 | 2004 |
Influence of the filament morphology on the magnetic properties of a Cu?Nb composite | 10.1016/j.physc.2004.02.082 | 2004 |
Abrupt field-induced transition triggered by magnetocaloric effect in phase-separated manganites | 10.1103/physrevb.69.214414 | 2004 |
Magnetization steps in phase separated La(0.5)Ca(0.5)Mn(1-y)Fe(y)O(3) | 10.1023/b:jolt.0000016968.60745.cc | 2004 |
I-V curves and intergranular flux activation energy in the magnetic superconductor RuSr2GdCu2O8 | 10.1103/physrevb.70.052503 | 2004 |
Superconductivity of the metastable phase in the Mg?Sn?B system | 10.1016/j.physc.2004.02.173 | 2004 |
Influence of Mg deficiency in the superconducting critical temperature of MgB2 | 10.1016/j.physc.2004.02.058 | 2004 |
Magnetoresistive memory in phase-separated La0.5Ca0.5MnO3 | 10.1016/j.physb.2004.09.017 | 2004 |
Phase coexistence regimes in La(0.325)Pr(0.300)Ca(0.375)MnO(3) | 10.1016/j.physb.2004.09.022 | 2004 |
Searching For Evidence of Metallic Cluster formation In La0.9Ca0.1MnO3 | 10.1016/s0304-8853(02)01236-2 | 2003 |
Persistent magnetoresistive memory in phase separated manganites | 10.1016/s0304-8853(02)01140-x | 2003 |
Annealing effects on the magnetic properties of a multifilamentary Cu-Nb composite | 10.1088/0953-2048/16/3/301 | 2003 |
Structure and magnetism of MnMgB2O5 and Mn2B2O5 | 10.1103/physrevb.67.104413 | 2003 |
Magneto-transport study of intra- and intergrain transitions in the magnetic superconductors RuSr2GdCu2O8 and RuSr2(Gd1.5Ce0.5)Cu2O10 | 10.1103/physrevb.68.144512 | 2003 |
Disorder effects at low temperatures in La(0.7-x)Y(x)Ca(0.3)MnO(3) manganites | 10.1016/s0038-1098(03)00511-8 | 2003 |
Magnetization studies of phase separation in La0.5Ca0.5MnO3 | 10.1103/physrevb.65.104403 | 2002 |
Nonvolatile magnetoresistive memory in phase separated La0.325Pr0.300Ca0.375MnO3 | 10.1103/physrevb.65.140401 | 2002 |
Average kinetic energy of the superconducting state | 10.1103/physrevb.65.144509 | 2002 |
Low temperature behavior of granular CoCu alloys | 10.1016/s0304-8853(01)01041-1 | 2002 |
Correlation between magnetic and transport properties of phase-separated La0.5Ca0.5MnO3 | 10.1016/s0921-4526(02)00650-6 | 2002 |
Correlation between composition and superconducting properties in a Nb-Ti wire produced by the solid diffusion between pure Nb and Ti | 10.1063/1.1472630 | 2002 |
Evolution from Ferromagnetic Order to Cluster Glass Behavior in La0.7-xYxCa0.3MnO3 Manganites | 10.4028/www.scientific.net/MSF.373-376.553 | 2001 |
Magnetoresistance induced by low-field control of phase separation in La0.5Ca0.5MnO3 | 10.1103/physrevb.63.144419 | 2001 |
Specfic heat and magnetization studies of Fe2OBO3, Mn2OBO3 and MgScOBO3 | 10.1103/physrevb.64.014406 | 2001 |
Magnetic Properties of Carboxylate-Bridged Ferromagnetic Copper(II) Chains Coupled by Cation-Pi Interactions | 10.1021/jp0045742 | 2001 |
Low temperature specific heat of La0.78Pb0.22MnO3 manganite | 10.1016/s0304-8853(00)01026-x | 2001 |
Static critical behavior of the ferromagnetic transition in LaMnO3 | 10.1016/s0304-8853(00)00683-1 | 2001 |
Critical behavior near the para-ferromagnetic transition of the reentrant systems Au0.81Fe0.19 and Ni0.78Mn0.22 | 10.1016/s0304-8853(00)00681-8 | 2001 |
Magnetic Properties of Fe-doped and Cu-doped Nb28O70 | 10.1016/s0304-8853(00)00694-6 | 2001 |
Magnetic and transport properties of low-dimensional oxi-borates | 10.1016/s0304-8853(00)00927-6 | 2001 |
Phase separation in La0.5Ca0.5MnO3 controlled trough thermal treatments | 10.1016/s0304-8853(00)00856-8 | 2001 |
Magnetic relaxation phenomena and cluster glass properties of La0.7-xYxCa0.3MnO3 manganites | 10.1103/physrevb.64.144404 | 2001 |
Structural, thermal and magnetic properties of Pr-123 polycrystalline and thin films superconductors | 10.1016/s0304-8853(00)00801-5 | 2001 |
Structural transition and pair formation in Fe3O2BO3 | 10.1103/physrevlett.87.147201 | 2001 |
Magnetic impurities in HNb2O5 | 10.1088/0953-8984/13/48/326 | 2001 |
Reply to Comment on `Temperature dependence of the second magnetization peak in a deoxygenated YBa2Cu3O6.65 single crystal' | 10.1103/physrevb.63.216502 | 2001 |
Specific heat of Fe2O2BO3 : Evidence for a Wigner glass phase | 10.1103/physrevb.61.r850 | 2000 |
Low temperature grain boundaries effect in La0.7-xYxCa0.3MnO3 | 10.1016/s0304-8853(00)00111-6 | 2000 |
Magnetic Properties of Iron-doped Channels in H-Nb2O5 | 10.1088/0953-8984/12/12/321 | 2000 |
Evidence of spin-singlet state formation in the magnetic susceptibility of nonsuperconducting La1.85Sr0.15(Cu1-xLix)O4 compounds | 10.1016/s0921-4534(00)00596-7 | 2000 |
Absence of pinning mechanism change in the second magnetization peak of YBa2Cu3O6.5 at low temperatures | 10.1016/s0921-4534(00)00818-2 | 2000 |
Controlled phase separation in La0.5Ca0.5MnO3 | 10.1103/physrevb.62.6437 | 2000 |
Comparison of dc and microwave resistivity in ploycristalline La0.7-xYxCa0.3MnO3 samples - Influence of Y at grain boudaries | 10.1063/1.1289522 | 2000 |
The search for superconductivity in PrBa2Cu3O7 | 10.1016/s0921-4534(00)00525-6 | 2000 |
Coherence Transition In Granular High Temperature Superconductors | 10.1016/s0921-4534(98)00617-0 | 1999 |
Temperature Dependence Of The Second Magnetization Peak In A Deoxygenated Yba2cu2o6.65 Single Crystal | 10.1103/physrevb.60.102 | 1999 |
Dimensional Crossover In The Irreversibility Line In (Bi,Pb)2sr2ca2cu3O10 | 10.1088/0953-2048/12/8/315 | 1999 |
Specific heat and magnetic order in LaMnO3+d | 10.1103/physrevb.60.12184 | 1999 |
Specific Heat Of La(1-X)Ca(X)Mno(3-D) | 10.1016/s0304-8853(98)00254-6 | 1998 |
Gaussian, 3d-XY and ILL Scalings in the Low-Field Fluctuation Magnetoconductivity Of BiSrCaCuO | 10.1103/physrevb.56.10836 | 1997 |
Linearized Description of The AC Susceptibility of Ceramic High-Tc Superconductors | 10.1088/0953-2048/10/10/002 | 1997 |
Irreversibility Line In Deoxygenated YBa2Cu3O7 Single Crystal | 10.1016/s0921-4534(97)01222-7 | 1997 |
Magnetic And Magnetoresistive Properties Of The Series Ce(Ni1-Xcox)B2c | 10.1016/s0304-8853(97)00091-7 | 1997 |
Low Field Fluctuationmagnetoconductivity In Bisrcacuo: Critical, Gaussian And Lll Scalings | 10.1007/BF02562908 | 1996 |
Thermal Expansion And Specific Heat Of Non-Random Ybco/Ag Composites | 10.1088/0953-2048/9/8/004 | 1996 |
Splitting Of The Bulk Resistive Transition Im High Tc Superconductors: Evidence For Unconventional Pairing | 10.1016/0921-4534(95)00399-1 | 1995 |
Magnetic Irreversibility In Ybacuo-Ag Nonrandom Composites | 10.1016/0921-4534(95)00182-4 | 1995 |
Anisotropic Magnetic Irreversibility In Single Crystals And Oriented Grain Systems Of Bi2sr2cacu2oy And Yba2cu3o7-* | 10.1016/0921-4534(94)92622-0 | 1994 |
Critical And Gausian Conductivity Fluctuation In Yba2cu3o7 And Bi2sr2cacu2o8 | 10.1016/0921-4534(94)92191-1 | 1994 |
Ac Susceptibility Of Ybco-Ag Composites | 10.1016/0921-4534(94)91137-1 | 1994 |
Resistive And Magnetic Behaviour Of Non-Random Ybacuo-Ag Composites | 10.1016/0921-4526(94)91681-0 | 1994 |
Resistive Transition And Fluctuation Conductivity In Ybacuo-Ag Nonrandom Composites | 10.1016/0921-4534(93)90723-4 | 1993 |
Resistive transition and paraconductivity in YBaCuO-Ag composites | 10.1016/0964-1807(93)90405-q | 1993 |
Specific Heat Of Superconducting Ybacuo-Ag Nonrandom Composite | 10.1016/0921-4534(92)90676-4 | 1992 |
Far Infrared Absorptivity In Superconducting Pbbi Alloys. | 10.1103/PhysRevB.41.4056 | 1990 |
Medidas de Calor Específico A Baixas Temperaturas | 1990 | |
Farinfrared Absorption In Disordered Solids. | 10.1016/0022-3093(89)90041-0 | 1989 |
Specific heat measurements of the antiferroelectric phase transition in the mixed system KCN Cl | 10.1088/0022-3719/18/20/027 | 1985 |
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