Zobrazeno 1 - 10
of 21
pro vyhledávání: '"G. A. Cabrera-Pasca"'
Autor:
L. S. Maciel, A. Burimova, L. F. D. Pereira, W. L. Ferreira, T. S. N. Sales, V. C. Gonçalves, G. A. Cabrera-Pasca, R. N. Saxena, A. W. Carbonari
Publikováno v:
AIP Advances, Vol 11, Iss 2, Pp 025010-025010-4 (2021)
In the work here reported, we have calculated magnetic hyperfine interactions in rare-earth (R) intermetallic compounds by using the free open-source all-electron ELK code. The RCd (R = Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb) series was c
Externí odkaz:
https://doaj.org/article/43164982834b4888872cf14f20a4a20a
Autor:
T. S. N. Sales, A. Burimova, P. S. Rodrigues, I. T. Matos, G. A. Cabrera-Pasca, R. N. Saxena, L. F. D. Pereira, L. Otubo, A. W. Carbonari
Publikováno v:
AIP Advances, Vol 11, Iss 1, Pp 015047-015047-4 (2021)
Nanoparticles (NPs) that combine biocompatibility and enhanced physical characteristics for biomedical applications are currently an area of intense scientific research. Hafnium oxide NPs are an innovative approach in the anticancer treatment by radi
Externí odkaz:
https://doaj.org/article/e00f3ae0d838495eacc9549924093eed
Autor:
G. A. Cabrera-Pasca, J. F. Magno, W. L. Ferreira, A. C. Campos, B. Bosch-Santos, T. S. N. Sales, L. F. D. Pereira, A. Burimova, R. N. Saxena, R. S. Freitas, A. W. Carbonari
Publikováno v:
AIP Advances, Vol 11, Iss 1, Pp 015322-015322-6 (2021)
GdMnIn is reported to crystallize in the hexagonal MgNi2-type structure presenting a spin-glass behavior with no magnetic order attributed to the triangular spin frustration of magnetic ions. In the present work, FC-ZFC magnetization, specific heat a
Externí odkaz:
https://doaj.org/article/2555b931806a4f3e9e65457b2472116d
Publikováno v:
AIP Advances, Vol 10, Iss 1, Pp 015039-015039-6 (2020)
In order to understand the interaction mechanisms in RE2O3 (RE=Gd, Er) nanoparticles (NPs), Perturbed Angular Correlation (PAC) spectroscopy, a local technique, plus external magnetic field, was used to elucidate local interactions and possible mappi
Externí odkaz:
https://doaj.org/article/346c77d6672f474b9e949f5d148faafc
Publikováno v:
AIP Advances, Vol 10, Iss 1, Pp 015223-015223-5 (2020)
LaMnO3+δ is a complex oxide, which, depending on the oxygen excess concentration, presents different crystalline structure and interesting magnetic and electric properties such as colossal magnetoresistance, polaron dynamics, multiferroic behavior,
Externí odkaz:
https://doaj.org/article/aaef521eec0b4217b0dce06f797d2cce
Autor:
B. Bosch-Santos, N. M. Nascimento, M. Saiki, E. L. Correa, T. S. N. Sales, L. F. D. Pereira, G. A. Cabrera-Pasca, R. N. Saxena, J. Schell, A. W. Carbonari
Publikováno v:
AIP Advances, Vol 9, Iss 3, Pp 035245-035245-5 (2019)
Due to its rich variety of electromagnetic properties, such as a colossal magnetoresistance, charge and orbital ordering, and metal-insulator transition, the magnetic behavior in La0.5Ba0.5MnO3 double perovskite compounds has been investigated by sev
Externí odkaz:
https://doaj.org/article/5f50e971773349a18f0703b49628d703
Publikováno v:
AIP Advances, Vol 8, Iss 5, Pp 055702-055702-6 (2018)
Magnetic hyperfine field has been measured in the orthorhombic intermetallic compound LaMnSi2 with perturbed angular correlation (PAC) spectroscopy using radioactive 140La(140Ce) nuclear probes. Magnetization measurements were also carried out in thi
Externí odkaz:
https://doaj.org/article/8bf1223ffc414b468df56bdcc42d1662
Publikováno v:
AIP Advances, Vol 7, Iss 5, Pp 056211-056211-6 (2017)
The magnetic properties of PrMn2Ge2 compound have been investigated by perturbed γ−γ angular correlation (PAC) spectroscopy using 111In(111Cd) as probe nuclei as well as by magnetization measurements. This ternary intermetallic compound exhibits
Externí odkaz:
https://doaj.org/article/2e3720478e894f03a96f7524edbdac9d
Autor:
T. S. N. Sales, F. H. M. Cavalcante, B. Bosch-Santos, L. F. D. Pereira, G. A. Cabrera-Pasca, R. S. Freitas, R. N. Saxena, A. W. Carbonari
Publikováno v:
AIP Advances, Vol 7, Iss 5, Pp 056315-056315-6 (2017)
In this paper, the effect in structural and magnetic properties of iron doping with concentration of 20% in hafnium dioxide (HfO2) nanoparticles is investigated. HfO2 is a wide band gap oxide with great potential to be used as high-permittivity gate
Externí odkaz:
https://doaj.org/article/12dba3d1c54844598350eab7c4e4e02c
Publikováno v:
AIP Advances, Vol 6, Iss 5, Pp 056024-056024-6 (2016)
The magnetic hyperfine field (Bhf) in ferrimagnetic GdCo5 compound has been investigated as a function of temperature by Mössbauer effect (ME) spectroscopy and perturbed angular correlation (PAC) spectroscopy using 119Sn and 111Cd probe nuclei, resp
Externí odkaz:
https://doaj.org/article/deba781f96a94c818f7c7a312ed78382