Výsledky vyhledávání - "FREITAS, G. S."

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Hole doping and electronic correlations in Cr-substituted BaFe$_{2}$As$_{2}$

Autor: Cantarino, Marli R., Pakuszewski, K. R., Salzmann, Björn, Moya, Pedro H. A., Neto, Wagner R. da Silva, Freitas, G. S., Pagliuso, P. G., Adriano, C., Brito, Walber H., Garcia, Fernando A.

Superconductivity (SC) is absent in Cr-substituted BaFe$_{2}$As$_{2}$ (CrBFA), a well-established but poorly understood topic. Additionally, the suppression of the spin density wave transition temperature ($T_{\text{SDW}}$) in CrBFA and Mn-substitute

Externí odkaz: http://arxiv.org/abs/2312.09014

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Magnetic interactions of 4$f$ electrons in the topological insulator chalcogenide Bi$_{2}$Se$_{3}$

Autor: Souza, J. C., Carlone, M., Lesseux, G. G., Pizzi, H. B., Freitas, G. S., Urbano, R. R., Venegas, P. A., Pagliuso, P. G.

The gap opening mechanism of a topological insulator, the quantum anomalous Hall effect and the axion physics are still pressing open questions and a microscopic viewpoint to further understand the role of magnetism in topology is highly desirable. I

Externí odkaz: http://arxiv.org/abs/2211.16048

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Orbital localization and the role of the Fe and As $4p$ orbitals in BaFe$_{2}$As$_{2}$ probed by XANES

Autor: de Figueiredo, A. G., Cantarino, M. R., Neto, W. R. da Silva, Pakuszewski, K. R., Grossi, R., Christovam, D. S., Souza, J. C., Piva, M. M., Freitas, G. S., Pagliuso, P. G., Adriano, C., Garcia, F. A.

The polarization dependence of the near edge x-ray absorption spectroscopy (XANES) is an element specific probe to the real-space distribution of the density of unoccupied states in solid-state materials. In this paper, we present Fe and As $K$-edge

Externí odkaz: http://arxiv.org/abs/2112.09980

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Tuning the crystalline electric field and magnetic anisotropy along the CeCuBi$_{2-x}$Sb$_{x}$ series

Autor: Freitas, G. S., Piva, M. M., Grossi, R., Jesus, C. B. R., Souza, J. C., Christovam, D. S., Oliveira Jr., N. F., Leão, J. B., Adriano, C., Lynn, J. W., Pagliuso, P. G.

We have performed X-ray powder diffraction, magnetization, electrical resistivity, heat capacity and inelastic neutron scattering (INS) to investigate the physical properties of the intermetallic series of compounds CeCuBi$_{2-x}$Sb$_{x}$. These comp

Externí odkaz: http://arxiv.org/abs/2010.03437

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Electronic and magnetic properties of stoichiometric CeAuBi$_{2}$

Autor: Piva, M. M., Tartaglia, R., Freitas, G. S., Souza, J. C., Christovam, D. S., Thomas, S. M., Leão, J. B., Ratcliff, W., Lynn, J. W., Lane, C., Zhu, J. -X., Thompson, J. D., Rosa, P. F. S., Adriano, C., Granado, E., Pagliuso, P. G.

Publikováno v: Phys. Rev. B 101, 214431 (2020)

We report the electronic and magnetic properties of stoichiometric CeAuBi$_{2}$ single crystals. At ambient pressure, CeAuBi$_{2}$ orders antiferromagnetically below a N\'{e}el temperature ($T_{N}$) of 19 K. Neutron diffraction experiments revealed a

Externí odkaz: http://arxiv.org/abs/2008.04239

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Dissertation/ Thesis

Fertilização Nitrogenada e Orgãnica Líquida de Pastagens de Capim Marandu em Início de Degradação

Autor: FREITAS, G. S.

Publikováno v: Repositório Institucional da UFESUniversidade Federal do Espírito SantoUFES.

Made available in DSpace on 2018-08-01T22:56:54Z (GMT). No. of bitstreams: 1 tese_7581_GUILHERME SANTOS FREITAS.pdf: 813351 bytes, checksum: 8b57cb337bc836d69cdf62e0b1c54201 (MD5) Previous issue date: 2014-02-26
O nitrogênio é um dos principai

Externí odkaz: http://repositorio.ufes.br/handle/10/7764

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Evolution of the magnetic properties in the antiferromagnet Ce2RhIn8 simultaneously doped with Cd and Ir

Autor: Christovam, D. S., Freitas, G. S., Piva, M. M., Souza, J. C., Malcolms, M. O., Canton, O. L. [UNESP], Leão, J. B., Ratcliff, W., Lynn, J. W., Adriano, C., Pagliuso, P. G.

Publikováno v: Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP

Made available in DSpace on 2021-06-25T10:46:12Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-11-20 We report the evolution of the magnetic properties of Ce2Rh1-xIrxIn8-yCdy single crystals. In particular, for Ce2Rh0.5Ir0.5In8 (TN = 2.0 K) a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::cfbd6a51c3be3673fdc036e088706ea6

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Acaricidal activity of palm oil on Aceria guerreronis (Acari:Eriophyidae) and a nontarget predator

Autor: FREITAS, G. S. de, SENA FILHO, J. G. de, SARAIVA, W. V. A., VIEIRA, I. G., OLIVEIRA, E. E., TEODORO, A. V.

Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

The coconut mite,Aceria guerreronisKeifer (Acari: Eriophyidae), is a severe andubiquitous pest of coconut plantations worldwide. Vegetable oils contain fatty acids that areactive against a variety of agricultural pests; however, little is known about

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::ab068afd98a91855d76d8b3f34b677a4
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1114018

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