Electrical Resistance Evolution of Graphite and Talc Geological Heterostructures under Progressive Metamorphism

Autor: Augusto Gonçalves Nobre, Fabio Ramos Dias de Andrade, Andres Fabian Salazar-Naranjo, Josue Neroti Rigue, Ricardo Barreto da Silva, Silvio Roberto Farias Vlach, Romulo Augusto Ando

Publikováno v: C, Vol 9, Iss 3, p 75 (2023)

The electrical properties of isolated graphene established precedents for studies of electrical superconducting materials at room temperature. After the discovery of stabilized graphene and graphite nanoplatelets in a geological context, the interest

Externí odkaz: https://doaj.org/article/7931c1da29e54955b12ab5c06b7bca4f

Calibration of high-temperature furnace assemblies for experiments between 200 and 600 MPa with end-loaded piston-cylinder apparatuses

Autor: Silvio Roberto Farias Vlach, Andrés Fabián Salazar-Naranjo, Johan Santiago Torres-Corredor, Paulo Rafael de Carvalho, Guilherme Mallmann

Publikováno v: Brazilian Journal of Geology, Vol 49, Iss 1 (2019)

Abstract We present pressure calibration results for piston-cylinder –” and 1” high temperature furnace assemblies in the 200-600 MPa range aiming to expand its applicability to simulate upper crustal conditions. The furnace assemblies were mad

Externí odkaz: https://doaj.org/article/936eb103f5ea4db0be7bc6617db9d2d9

Simulation of geological graphene genesis by the piston-cylinder apparatus

Autor: Augusto Gonçalves Nobre, Andrés Fabián Salazar-Naranjo, Fabio Ramos Dias de Andrade, Silvio Roberto Farias Vlach, Rômulo Augusto Ando

Publikováno v: Matéria (Rio de Janeiro) v.27 n.4 2022
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Stable natural graphene occurs in graphite- and phyllosilicate-bearing low-grade metamorphic rocks. The present work simulates the process of geological formation of graphene using a piston-cylinder apparatus, promoting diffusion between talc and gra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf0e58e3df68ad3342f5c64ebdfd6dd7
https://doi.org/10.1590/1517-7076-rmat-2022-0122

Calibration of high-temperature furnace assemblies for experiments between 200 and 600 MPa with end-loaded piston-cylinder apparatuses.

Autor: Vlach, Silvio Roberto Farias¹ srfvlach@usp.br, Salazar-Naranjo, Andrés Fabián¹ andres.salazar@usp.br, Torres-Corredor, Johan Santiago¹ ssantiago_93@hotmail.com, de Carvalho, Paulo Rafael¹ paulo.rafael.carvalho@usp.br, Mallmann, Guilherme² guil.mallmann@anu.edu.au

Publikováno v: Brazilian Journal of Geology. 2019, Vol. 49 Issue 1, p1-7. 7p.

On the crystallization conditions of the Neoproterozoic, high-K calc-alkaline, Bragança Paulista-type magmatism, southern Brasília Orogen, SE Brazil.

Autor: Salazar-Naranjo, Andrés Fabián¹ andres.salazar@usp.br, Vlach, Silvio Roberto Farias¹ srfvlach@usp.br

Publikováno v: Brazilian Journal of Geology. Jul-Sep2018, Vol. 48 Issue 3, p631-650. 20p.