Victor M. Fuenzalida

Temperature-Controlled Synthesis of High-Voltage Spinel LiNi0.5Mn1.5O4 Films via Metal–Organic Decomposition: Structure and Electrochemical Study for Application in Lithium-Ion Batteries

Francisca Luco, Benjamín Silva, Andrés Ibáñez, Arianne Maine et autres

The high-voltage spinel LiNi0.5Mn1.5O4 (LNMO) is a promising cobalt-free cathode material for lithium-ion batteries, yet its integration as a binder-free thin film on metallic current collectors via simple solution routes remains underexplored. Here, LNMO films were synthesized on 304 stainless steel (SS304) …

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NO2 gas sensing with Al-enriched Ti3C2TX - Structural engineering and sensing response

Amit Kumar Gangwar, Fernanda Ruz, Ximena Villa, Nicolas Carvajal et autres

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NO2 Gas Sensing with Al-Enriched Ti3C2Tx - Structural Engineering and Sensing Response

Rodrigo Espinoza-González, Amit Kumar Gangwar, Fernanda Ruz, Ximena Villa et autres

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Effect of Sonication Approaches on the Silanization and Structural Quality of Multilayer Ti 3 C 2 T x

Esteban Araya‐Hermosilla, Dario F. Zambrano-Mera, Eva Tormos‐Feliu, Eva Carolina Sañudo et autres

MXenes have attracted attention due to their high specific surface area, excellent electrical conductivity, and considerable mechanical properties. Multilayer Ti 3 C 2 T x faces challenges related to restacking and agglomeration as well as its limited oxidation/degradation resistance in oxygen‐containing environments. …

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Physical Trace Gas Identification with the Photo Electron Ionization Spectrometer (PEIS)

Theodor Doll, Victor M. Fuenzalida, Helmut Schütte, Stefan Gaßmann et autres

Chemosensor technology for trace gases in the air always aims to identify these compounds and then measure their concentrations. For identification, traceable methods are sparse and relate to large appliances such as mass spectrometers. We present a new method that uses the …

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Synthesis of nanostructured BaTiO3 films by hydrothermal modification of Ti surfaces using Ba(OH)2 and oleic acid

María José Cortés Burgos, Ítalo Moglia, Simón Roa, Victor M. Fuenzalida

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Surface and Electrical Characterization of Bilayers Based on BiFeO3 and VO2

Jhonatan Martínez, Edgar Eduardo Mosquera, Victor M. Fuenzalida, Marcos I. Flores et autres

Thin films of BiFeO3, VO2, and BiFeO3/VO2 were grown on SrTiO3(100) and Al2O3(0001) monocrystalline substrates using radio frequency and direct current sputtering techniques. To observe the effect of the coupling between these materials, the surface of the films was characterized by profilometry, …

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Surface and Electrical Characterization of Bilayers Based on BifeO3 and VO2

Jhonatan Martínez, Edgar Eduardo Mosquera, Victor M. Fuenzalida, Marcos I. Flores et autres

Thin films of BiFeO3 (BFO), VO2 and BFO/VO2 were grown on SrTiO3(100) and Al2O3(0001) monocrystalline substrates using the RF and DC sputtering techniques. The surface of the films was characterized by profilometry, AFM, and XPS. The heterostructures have roughnesses between 0.2 and …

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Synergistic contribution on flame retardancy by charring production in high‐performance PEI / PBT / PTFE ternary blends: The role of PTFE

Mauricio Vásquez‐Rendón, Manuel Romero‐Sáez, Jhorman Mena, Victor M. Fuenzalida et autres

High‐performance binary blends between poly(ether imide) (PEI) and flame‐retardant poly(butylene terephthalate) (PBT) are modified with 5, 10, and 15 wt% of poly(tetrafluoroethylene) (PTFE) using a two‐step melt‐processing method. Morphology study reveals that PTFE does not interfere with PEI and PBT interfacial interaction …

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Effective usage of 2D MXene nanosheets as solid lubricant – Influence of contact pressure and relative humidity

Max Marian, Guichen Song, Bo Wang, Victor M. Fuenzalida et autres

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Unprecedented arsenic photo-oxidation behavior of few- and multi-layer Ti3C2Tx nano-sheets

Maibelín Rosales, Andreína García, Victor M. Fuenzalida, Rodrigo Espinoza-González et autres

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Implantable Neuroamplifers for Electrocorticography Using Flexible and Biocompatible Technology

Juan Pablo Marcoleta, Waldo Nogueira, Néstor Becerra Yoma, Jorge Wuth et autres

Brain signals such as electroencephalography (EEG) and electrocorticography (ECoG) are used to diagnose epilepsy. ECoG signals are small and therefore require large amplification while keeping the recording electronics small enough to adapt to the surface of the brain. Moreover, the components have …

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