76 citations · 234 across the 16 of their papers we have counts for
16 papers
Substitution modulated transition from semimetal to superconductor in ZrTeSe with coexistence of nontrivial electronic topology
V. M. Fim, C. F. Schuch, L. R. de Faria +5
This study explores the emergence of superconductivity in high-quality ZrTeSe crystals, grown via the isothermal chemical vapor transport (ICVT) technique. Resistive, s…
Superconductivity and electronic structure evolution in the enforced semimetal Fe-doped ZrTe
L. M. Ishikura, C. F. Schuch, A. Faé Rabello +6
ZrTe is an outstanding layered semimetal due to the topologically nontrivial electronic structure. In this work, we present an investigation of the electronic evolution of ZrTe…
Probing the superconducting gap structure of ScRuSi via SR and first-principles calculations
K. Panda, A. Bhattacharyya, P. N. Ferreira +6
In this study, we present a thorough investigation into the superconducting state of the ruthenium-based ternary equiatomic compound ScRuSi. Our analysis combines experimental tech…
Ab initio modeling of superconducting alloys
Pedro N. Ferreira, Roman Lucrezi, Ivan Guilhon +4
Designing new, technologically relevant superconductors has long been at the forefront of solid-state physics and chemistry research. However, developing efficient approaches for m…
Search for ambient superconductivity in the Lu-N-H system
Pedro P. Ferreira, Lewis J. Conway, Alessio Cucciari +7
Motivated by the recent report of room-temperature superconductivity at near-ambient pressure in N-doped lutetium hydride by Dasenbrock et al. [Nature 615, 244 (2023)], we performe…
Superconductivity in Te-deficient ZrTe
L. E. Correa, P. P. Ferreira, L. R. de Faria +6
We present structural, electrical, and thermoelectric potential measurements on high-quality single crystals of ZrTe grown from isothermal chemical vapor transport. These m…
Nodeless time-reversal symmetry breaking in the centrosymmetric superconductor ScCoSi probed by muon-spin spectroscopy
A. Bhattacharyya, M. R. Lees, K. Panda +9
We investigate the superconducting properties of ScCoSi using low-temperature resistivity, magnetization, heat capacity, and muon-spin rotation and relaxation ($…
Synergism between B and Nb improves fire resistance in microalloyed steels
Pedro P. Ferreira, Felipe M. Carvalho, Edwan A. Ariza-Echeverri +7
The development of new fire-resistant steels represents a challenge in materials science and engineering of utmost importance. Alloying elements such as Nb and Mo are generally use…
Possible multiband superconductivity in the quaternary carbide YRe2SiC
Leandro R. de Faria, Pedro P. Ferreira, Lucas E. Correa +3
We report for the first time the occurrence of superconductivity in the quaternary silicide carbide YRe2SiC with Tc = 5.9 K. The emergence of superconductivity was confirmed by mea…
Electron-phonon superconductivity in C-doped topological nodal-line semimetal ZrPt: A muon spin rotation and relaxation (SR) study
A Bhattacharyya, P P Ferreira, K Panda +6
In the present work we demonstrate that C-doped ZrPt is an electron-phonon superconductor (with critical temperature T = 3.7\,K) with a nonsymmorphic topol…
Evidence for multiband superconductivity and charge density waves in Ni-doped ZrTe
Lucas E. Correa, Pedro P. Ferreira, Leandro R. de Faria +6
We carried out a comprehensive study of the electronic, magnetic, and thermodynamic properties of Ni-doped ZrTe. High quality NiZrTe single crystals show a po…
Strain-engineering the topological type-II Dirac semimetal NiTe
Pedro P. Ferreira, Antonio L. R. Manesco, Thiago T. Dorini +4
In the present work, we investigated the electronic and elastic properties in equilibrium and under strain of the type-II Dirac semimetal NiTe using density functional theory (…
T2 phase site occupancies in the Cr--Si--B system: a combined synchroton-XRD/first-principles study
Thiago T. Dorini, Bruno X. de Freitas, Pedro P. Ferreira +6
Boron and Silicon site occupancies of the T2 phase in the Cr-Si-B system were investigated experimentally and by first-principles electronic-structure calculations within the scope…
Two-band superconductivity with unconventional pairing symmetry in HfVGa
A. Bhattacharyya, P. P. Ferreira, F. B. Santos +6
In this letter, we have examined the superconducting ground state of the HfVGa compound using resistivity, magnetization, zero-field (ZF) and transverse-field (TF) muon-spi…
Elastic anisotropy and thermal properties of extended linear chain compounds MVGa (M = Sc, Zr, Hf) from ab-initio calculations
P. P. Ferreira, T. T. Dorini, F. B. Santos +2
MVGa (M = Sc, Zr, Hf) compounds belong to an emerging class of materials showing a unique combination of unusual superconducting behavior with extended linear chains in the…
Insights on unconventional superconductivity in HfVGa and ScVGa from first principles electronic structure calculations
P. P. Ferreira, F. B. Santos, A. J. S. Machado +2
The HfVGa compound was recently reported to exhibit unusual bulk superconducting properties, with the possibility of multiband behavior. To gain insight into its properties…