Publications

Nonlinear Thermopower Behaviour of N-Type Carbon Nanofibres and Their Melt Mixed Polypropylene Composites

A. J. Paleo, B. Krause, M. F. Cerqueira, E. Muñoz, P. Potschke, and A. M. Rocha, “Nonlinear Thermopower Behaviour of N-Type Carbon Nanofibres and Their Melt Mixed Polypropylene Composites”, Polymers 14, 269 (2022).  https://doi.org/10.3390/polym14020269 The temperature dependent electrical conductivity σ (T) and thermopower (Seebeck coefficient) S (T) from 303.15 K (30 °C) to 373.15 K (100 °C) of an as-received commercial …

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Thermo-magneto-electric transport through a torsion dislocation in a type I Weyl Semimetal

D.Bonilla, E. Muñoz, R. Soto-Garrido. «Thermo-magneto-electric transport through a torsion dislocation in a type I Weyl Semimetal». Nanomaterials 11, 2972 (2021), https://doi.org/10.3390/nano11112972. We study electronic and thermoelectric transport in a type I Weyl semimetal nanojunction, with a torsional dislocation defect, in the presence of an external magnetic field parallel to the dislocation axis. The defect …

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Effect of intersystem crossing rates and optical illumination on the polarization of nuclear spins close to nitrogen-vacancy centers

H. Duarte, H. T. Dinani, V. Jacques, and J. R. Maze, Phys. Rev. B 103, 195443. Effect of intersystem crossing rates and optical illumination on the polarization of nuclear spins close to nitrogen-vacancy centers – Published 27 May 2021, https://doi.org/10.1103/PhysRevB.103.195443 Several efforts have been made to polarize the nearby nuclear environment of nitrogen-vacancy (NV) centers for …

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Probing Charge Dynamics in Diamond with an Individual Color Center

Aedan Gardill, Ishita Kemeny, Matthew C. Cambria, Yanfei Li, Hossein T. Dinani, Ariel Norambuena, Jeronimo R. Maze, Vincenzo Lordi, and Shimon Kolkowitz, Nano Lett. 2021, 21, 16, 6960–6966, Publication Date:August 2, 2021, https://doi.org/10.1021/acs.nanolett.1c02250 Control over the charge states of color centers in solids is necessary to fully utilize them in quantum technologies. However, the microscopic charge …

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State-dependent phonon-limited spin relaxation of nitrogen-vacancy centers”, PHYSICAL REVIEW RES

M. C. Cambria, A. Gardill, Y. Li, A. Norambuena, J. R. Maze and S. Kolkowitz, “State-dependent phonon-limited spin relaxation of nitrogen-vacancy centers”, PHYSICAL REVIEW RESEARCH 3, 013123 (2021), https://doi.org/10.1103/PhysRevResearch.3.013123 Understanding the limits to the spin coherence of the nitrogen-vacancy (NV) center in diamond is vital to realizing the full potential of this quantum system. We show …

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Graphene coating as an effective barrier to prevent bacteria-mediated dissolution of gold

C. Parra, J. Aristizabal, B. Arce, F. Montero-Silva, S. Lascano, R. Henriquez, et al, Graphene coating as an effective barrier to prevent bacteria-mediated dissolution of gold “,  Metals 11, 147. https://www.mdpi.com/2075-4701/11/1/147 The interaction of biofilms with metallic surfaces produces two biologically induced degradation processes of materials: microbial induced corrosion and bioleaching. Both phenomena affect most metallic materials, …

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Nanostructured Didymosphenia geminata-based membrane for efficient lead adsorption from aqueous solution

E. Reinoso, J. Aristizabal, B. Arce, E. Zurob, G. Dennett, R. Fuentes, V. Suescún, L. Cárdenas, T. Rodrigues da Cunha, R. Cabezas, C. García, C. Parra, Nanostructured Didymosphenia geminata-based membrane for efficient lead adsorption from aqueous solution”, . Journal of Environmental Chemical Engineering 9(4), 105269. The need for new technologies more efficient and less expensive to …

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Graphene-coated Ti-Nb-Ta-Mn foams: A promising approach towards a suitable biomaterial for bone replacement

[CP2] S. Lascano, R. Chávez-Vásconez, D. Muñoz-Rojas, J. Aristizabal, B. Arce, C. Parra et al.Graphene-coated Ti-Nb-Ta-Mn foams: A promising approach towards a suitable biomaterial for bone replacement”,  Journal Surface and Coatings Technology 126250 (2020). https://www.sciencedirect.com/science/article/pii/S0257897220309191#ac0005 The design of bone implants with proper biological and mechanical properties remains a challenge in medical implantology. The use of bioactive coatings has been …

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Manoharan. Emergent electronic granularity within a three-dimensional material in the proximity of a superconductor-insulator transition

C. Parra, P. Giraldo-Gallo, F. Niestemski, A. W. Contryman, M.R D. Thian, M. R. Beasley, T. H. Geballe, I. R. Fisher, H. C. Manoharan. Emergent electronic granularity within a three-dimensional material in the proximity of a superconductor-insulator transition, Proceedings of the National Academy of Sciences of the United States of America (PNAS) 118, 16 (2021) https://www.pnas.org/content/118/16/e2017810118 Spatial disorder …

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Inducing a topological transition in graphene nanoribbons superlattices by external strain

E. Flores, J.D. Mella, E. Aparicio, R. I. Gonzalez, C. Parra, E. M. Bringa, and F. Munoz. «Inducing a topological transition in graphene nanoribbons superlattices by external strain.» arXiv preprint arXiv:2109.10278 (2021). https://arxiv.org/abs/2109.10278 Armchair graphene nanoribbons, when forming a superlattice, can be classified in different topological phases, with or without edge states. By means of tight-binding and classical molecular …

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