Ingeniera Laboratorio Acústica Ambiental

Laboratorio Acústica Ambiental, Block-C

(56) 2 27181277

Secretaría LEFM
Of. 2, Block A
(56) 2 27181288

Jefe Administrativo
Of. 1, 2ºpiso Block B
(56) 2 27181214

Mi trabajo en la Universidad contempla labores de docencia en pre y postgrado, investigación y administración. La investigación la desarrollo en el área de los ultrasonidos de potencia y señal, tanto en investigación básica como aplicada, destacando trabajos aplicados en la industria minera y de procesos. Trabajo en temas de protección de la propiedad intelectual por mi formación en las oficinas de patentes de Europa y Japón. ​Publicaciones:

• Web of Science ResearcherID: GHT-3084-2022

La Dra. Marina Stepanova comenzó su carrera en el Instituto Skobeltsyn de Física Nuclear en la Universidad Estatal Lomonosov de Moscú en Rusia. Posteriormente se muda a Chile y se une al Departamento de Física de la Universidad en 1995. Sus intereses de investigación se centran en plasmas astrofísicos y espaciales, con especial énfasis en la dinámica de la magnetosfera terrestre y la física de tormentas y subtormentas geomagnéticas. También se ha especializado en aspectos fundamentales de la física del plasma, incluida la turbulencia y el equilibrio del plasma.

RESUMEN PUBLICACIONES:

• 2023-On the Relationship Between Regions of Large-Scale Field-Aligned Currents and Regions of Plateau in Plasma Pressure Observed in the Equatorial Plane of the Earth's Magnetosphere-Geophysical Research Letters-https://doi.org/10.1029/2023GL105190
• 2023-Formation of the Outer Radiation Belt: Adiabatic Effect and Stochastic Acceleration-Springer Proceedings in Earth and Environmental Sciences-https://doi.org/10.1007/978-3-031-40728-4_23
• 2023-Main features of magnetospheric dynamics in the conditions of pressure balance-Journal of Atmospheric and Solar-Terrestrial Physics-https://doi.org/10.1016/j.jastp.2022.105994
• 2022-Editorial: The Role of Turbulence in the Solar Wind, Magnetosphere, Ionosphere Dynamics-Frontiers in Astronomy and Space Sciences-https://doi.org/10.3389/fspas.2021.763190
• 2022-Black carbon footprint of human presence in Antarctica-Nature Communications-https://doi.org/10.1038/s41467-022-28560-w
• 2022-Ionospheric response modeling under eclipse conditions: Evaluation of 14 December 2020, total solar eclipse prediction over the South American sector-Frontiers in Astronomy and Space Sciences-https://doi.org/10.3389/fspas.2022.1021910
• 2022-Spontaneous Magnetic Fluctuations and Collisionless Regulation of Turbulence in the Earth's Magnetotail-Astrophysical Journal-https://doi.org/10.3847/1538-4357/ac33a2
• 2021-Ion Kappa Distribution Parameters in the Magnetosphere of the Earth at Geocentric Distances Smaller Than 20 RE During Quiet Geomagnetic Conditions-Journal of Geophysical Research: Space Physics-https://doi.org/10.1029/2021JA029409
• 2021-Small glitches and other rotational irregularities of the Vela pulsar-Astronomy and Astrophysics-https://doi.org/10.1051/0004-6361/202039044
• 2021-The Impact of Turbulence on Physics of the Geomagnetic Tail-Frontiers in Astronomy and Space Sciences-https://doi.org/10.3389/fspas.2021.622570
• 2021-Multifractal characteristics of geomagnetic field fluctuations for the northern and southern hemispheres at swarm altitude-Entropy-https://doi.org/10.3390/e23050558
• 2021-Influence of MHD Turbulence on Ion Kappa Distributions in the Earth's Plasma Sheet as a Function of Plasma β Parameter-Frontiers in Astronomy and Space Sciences-https://doi.org/10.3389/fspas.2021.647121
• 2021-On the Relation between Kappa Distribution Functions and the Plasma Beta Parameter in the Earth's Magnetosphere: THEMIS Observations-Astrophysical Journal, Supplement Series-https://doi.org/10.3847/1538-4365/abdec9
• 2021-Adiabatic and non-adiabatic evolution of relativistic electrons in the heart of the outer radiation belt during the 1 June 2013 geomagnetic storm-Journal of Atmospheric and Solar-Terrestrial Physics-https://doi.org/10.1016/j.jastp.2020.105479
• 2020-First Report of an Eclipse From Chilean Ionosonde Observations: Comparison With Total Electron Content Estimations and the Modeled Maximum Electron Concentration and Its Height-Journal of Geophysical Research: Space Physics-https://doi.org/10.1029/2020JA027923
• 2020-Variation of Plasma Pressure at the Auroral Oval Latitudes before, during, and after the Isolated Geomagnetic Substorm on December 22, 2008-Geomagnetism and Aeronomy-https://doi.org/10.1134/S0016793220040131
• 2020-Outstanding questions in magnetospheric plasma physics: The pollenzo view-Journal of Atmospheric and Solar-Terrestrial Physics-https://doi.org/10.1016/j.jastp.2020.105377
• 2019-Multisatellite Analysis of Plasma Pressure in the Inner Magnetosphere During the 1 June 2013 Geomagnetic Storm-Journal of Geophysical Research: Space Physics-https://doi.org/10.1029/2018JA025965
• 2019-Dst Index Forecast Based on Ground-Level Data Aided by Bio-Inspired Algorithms-Space Weather-https://doi.org/10.1029/2019SW002215

RESUMEN PROYECTOS:

• 2022-2024-DESARROLLO ESTRATEGICO DE CIENCIAS ESPACIALES EN EL DEPARTAMENTO DE FISICA DE LA UNIVERSIDAD DE SANTIAGO DE CHILE-Co-investigador-SA77210112
• 2022-2024-A LABORATORY AS TESTED BED FOR NOVEL SPACE TECHNOLOGIES: FROM BLUEPRINT TO ORBIT-Investigador Responsable-ATE220057
• 2021-2024-ROLE OF TURBULENT TRANSPORT AND TOTAL PRESSURE BALANCE IN THE DYNAMICS OF THE MAGNETOSPHERE OF THE EARTH-Investigador Responsable-1211144
• 2021-2023-LINEAR AND QUASI-LINEAR PLASMA THEORY FOR ARBITRARY VELOCITY DISTRIBUTION FUNCTIONS-Co-investigador-11201048
• 2020-2022-ROLE OF TURBULENT TRANSPORT AND TOTAL PRESSURE BALANCE IN THE DYNAMICS OF THE MAGNETOSPHERE OF THE EARTH-Investigador Responsable-042031S

Después de obtener el grado de doctor defendiendo la tesis “Synthesis and Characterization of Some Nanomaterials: Oxides, Carbides, Metals and Semiconductors”, realicé el Post doctorado (PDF) en Southern Illinois University, Carbondale. IL, USA, del 2009  al 2010, con anterioridad trabajé como investigador asociado en Banaras Hindu University desde el año 2000 al 2009.

El año 2012 inicié mi trabajo de docencia e investigación en el Departamento de Física de la Universidad de Santiago con los cursos: Física del Estado Sólido, Curso electivo Nanotecnología, Laboratorio de Física Moderna para las carreras de pregrado de Ingeniería.

Mis investigaciones abarcan los siguientes temas: Synthesis, characterization and application of various nanomaterials;

Synthesis of metal oxide nanostructures (copper oxide, zinc oxide, tin oxide, iron oxide and lead oxide) by electrolysis based oxidation, thermal oxidation, chemical and hydrothermal methods and their Solar cell applications.

Synthesis and tribological study of different mixed metal oxide nanomaterials (eg. metal molybdates, metal tungstates and metal vanadates). Synthesis via chemical, hydrothermal, sputtering methods etc.

Synthesis of metallic (silver, gold and copper) nanomaterials by reduction with herbs, chemical methods and their biomedical applications.

• Advanced Materials Synthesis and its various Applications

• Synthesis of Graphene, Graphene derivatives, Carbon nanotubes, Metal oxides and their composites for Energy Conversion and Storage Devices (Dye- sensitized/ Photovoltaic Solar cells, Supercapacitor etc).

• Synthesis of Metal Organic Frameworks (MOFs) for Non-linear Optics Applications

Grupo Nanoenergía y Materiales Ópticos Avanzados.

​Publicaciones:

• Web of Science ResearcherID: A-2509-2011
• https://orcid.org/0000-0002-2893-7749

RESUMEN PUBLICACIONES:

• 2024-Controlled growth-dependent electrochemical behavior of cobalt and 1,3,5 benzene-tricarboxylic acid-based MOFs for efficient supercapacitor applications-Materials Chemistry and Physics-https://doi.org/10.1016/j.matchemphys.2024.129142
• 2024-Edge-site selective decoration of silver nanoparticles on TiO2 nanosheets for the rapid catalytic reduction of nitroarenes-Journal of Environmental Chemical Engineering-https://doi.org/10.1016/j.jece.2024.112588
• 2024-Synthesis and Optimization of Ni-Based Nano Metal–Organic Frameworks as a Superior Electrode Material for Supercapacitor-Nanomaterials-https://doi.org/10.3390/nano14040353
• 2023-Complex permittivity and predominance of non-overlapping small-polaron tunneling conduction process in copper indium selenide compound-International Journal of Materials Research-https://doi.org/10.1515/ijmr-2022-0091
• 2023-Cu-Ni bimetallic nanoparticles anchored on halloysite nanotubes for the environmental remediation-Surfaces and Interfaces-https://doi.org/10.1016/j.surfin.2023.103257
• 2023-Design construction and performance of nanostructured p-Cu2S/n-CdS junction diode-Materials Letters-https://doi.org/10.1016/j.matlet.2022.133650
• 2023-Gold nanoparticle–decorated earth‐abundant clay nanotubes as catalyst for the degradation of phenothiazine dyes and reduction of 4‐(4‐nitrophenyl)morpholine -Environmental Science and Pollution Research-https://doi.org/10.1007/s11356-022-19523-1
• 2023-Gold nanoparticles decorated two-dimensional TiO2 nanosheets as effective catalyst for nitroarenes and rhodamine B dye reduction in batch and continuous flow methods-Inorganic Chemistry Communications-https://doi.org/10.1016/j.inoche.2023.110406
• 2023-Graphene-based materials for biotechnological and biomedical applications: Drug delivery, bioimaging and biosensing-Materials Today Chemistry-https://doi.org/10.1016/j.mtchem.2023.101750
• 2023-In-depth opto-electrical analysis of Ni:CdS film towards the performance as Ag/Ni:CdS/FTO Schottky diode-Optical Materials-https://doi.org/10.1016/j.optmat.2023.114226
• 2023-Phase-Coherent Optical Frequency Up-Conversion with Millimeter-Size Zn(3-ptz)2 Metal-Organic Framework Single Crystals-Advanced Optical Materials-https://doi.org/10.1002/adom.202300142
• 2023-Platinum nanoparticles confined within TiO2 nanotube matrix for enhanced catalytic reduction of azure b dye-Materials Letters-https://doi.org/10.1016/j.matlet.2022.133208
• 2023-Reframe of Fowler-Northeim Approach for Electron Field Emission of a Vertical Silicon Nanowires-Silicon-https://doi.org/10.1007/s12633-023-02505-4
• 2023-The size effect on the optical-electrical properties of Cu2S/CdS thin film towards the performance on Ag/p-Cu2S/n-CdS/ATO heterojunction diode-Materials Chemistry and Physics-https://doi.org/10.1016/j.matchemphys.2023.127305
• 2022-A Highly Efficient Graphene Gold Based Green Supercapacitor Coin Cell Device for Energy Storage-Frontiers in Energy Research-https://doi.org/10.3389/fenrg.2021.794604
• 2022-Anisotropic Band-Edge Absorption of Millimeter-Sized Zn(3-ptz)2Single-Crystal Metal-Organic Frameworks-ACS Omega-https://doi.org/10.1021/acsomega.2c01856
• 2022-Development of high efficient Co3O4/Bi2O3/rGO nanocomposite for an effective photocatalytic degradation of pharmaceutical molecules with improved interfacial charge transfer-Journal of Environmental Chemical Engineering-https://doi.org/10.1016/j.jece.2022.107243
• 2022-Facile Synthesis and Optimization of CrOOH/rGO-Based Electrode Material for a Highly Efficient Supercapacitor Device-ACS Omega-https://doi.org/10.1021/acsomega.2c05670
• 2022-The Effect of Ag-Decoration on rGO/Water Nanofluid Thermal Conductivity and Viscosity-Nanomaterials-https://doi.org/10.3390/nano12071095
• 2022-Thermal and Rheological Characterization of Aqueous Nanofluids Based on Reduced Graphene Oxide (rGO) with Manganese Dioxide Nanocomposites (MnO2)-Nanomaterials-https://doi.org/10.3390/nano12173042
• 2021-Millimeter-scale Zn(3-ptz)2metal-organic framework single crystals: Self-assembly mechanism and growth kinetics-ACS Omega-https://doi.org/10.1021/acsomega.1c01272
• 2021-Synthesis and crystal structure of the ordered vacancy compound cu3in5 se9-Orbital-https://doi.org/10.17807/orbital.v13i3.1560
• 2021-Thermal characterization and stability analysis of aqueous ZnO-based nanofluids numerically implemented in microchannel heat sinks-Thermal Science and Engineering Progress-https://doi.org/10.1016/j.tsep.2020.100792
• 2020-Electrical impedance spectroscopy characterization of n type Cu5In9Se16 semiconductor compound-Physica B: Condensed Matter-https://doi.org/10.1016/j.physb.2020.412283
• 2020-Facile synthesis and magnetic behavior of 1D g-C3N4-Journal of Solid State Chemistry-https://doi.org/10.1016/j.jssc.2020.121539
• 2020-Facile synthesis of highly fluorescent free-standing films comprising graphitic carbon nitride (g-C3N4) nanolayers-New Journal of Chemistry-https://doi.org/10.1039/c9nj05108b
• 2020-Large scale synthesis of silver vanadate nanowires consolidated into bulk cylinder with enhanced antibacterial properties-Materials Letters-https://doi.org/10.1016/j.matlet.2020.128403
• 2020-Structural Characterization, Optical Absorption and Electrical Conduction in Ordered Defect Compound Cu3In5Se9 of the Ternary Cu-In-Se Semiconductor System-Journal of Electronic Materials-https://doi.org/10.1007/s11664-019-07816-0
• 2019-A review on synthesis of graphene, h-BN and MoS2 for energy storage applications: Recent progress and perspectives-Nano Research-https://doi.org/10.1007/s12274-019-2467-8

• 2019-Ascorbic acid based controlled growth of various Cu and Cu2O nanostructures-Materials Research Express-https://doi.org/10.1088/2053-1591/ab0dd2
• 2019-Azide-Based High-Energy Metal-Organic Frameworks with Enhanced Thermal Stability-ACS Omega-https://doi.org/10.1021/acsomega.9b01127
• 2019-Controlled Growth of the Noncentrosymmetric Zn(3-ptz) 2 and Zn(OH)(3-ptz) Metal-Organic Frameworks-ACS Omega-https://doi.org/10.1021/acsomega.9b00236
• 2019-Crystal structure and Hirshfeld surface analysis of tris(2,2 '-bipyridine)nickel(II) bis(1,1,3,3-tetra-cyano-2-ethoxypropenide) dihydrate-Acta Crystallographica Section E-Crystallographic Communications-https://doi.org/10.1107/S2056989019006959
• 2019-Graphene Oxide for Drug Delivery and Cancer Therapy-Nanostructured Polymer Composites for Biomedical Applications-https://doi.org/10.1016/B978-0-12-816771-7.00023-5
• 2019-Progress in microwave-assisted synthesis of quantum dots (graphene/carbon/semiconducting) for bioapplications: a review-Materials Today Chemistry-https://doi.org/10.1016/j.mtchem.2019.03.001

RESUMEN PROYECTOS:

• 2024-2026-ESTUDIO DE LA ACTIVIDAD CATALITICA DE NANOZIMAS BASADAS EN NUEVOS COMPOSITOS DE ZIF-8@CQDS-M (M=FE, CO, NI, CU) PARA APLICACION EN BIOSENSORES OPTICOS DE PEROXIDO DE HIDROGENO Y GLUCOSA-Académico Patrocinante-3240636
• 2023-Ecofriendly approach for the development of cost effective, highly efficient, and durable graphene-Ag/Cu based supercapacitor device-Investigador Responsable-FONDECYT REGULAR 2023
• 2022-2024-OPTIMIZACION DE LAS PROPIEDADES ELECTRICAS EN MATERIALES CON ESTRUCTURA TIPO K2NIF4 DE LASRGA1-XMGXO4-Δ Y LASRAL1-XMGXO4-Δ (X=0.1-0.3) PARA SER USADOS COMO ELECTROLITOS SOLIDOS EN PILAS DE COMBUSTIBLE DE OXIDO SOLIDO (SOFC)-Académico Patrocinante-3220145
• 2022-Apoyo C-Fondecyt 2022-Investigador Responsable-DICYT- USACH
• 2021-2023-Diseño y caracterización de supercondensadores tipo coin cell fabricados con nanomateriales híbridos basados en rGO/óxidos de metales/polímero conductor-Académico Patrocinante-ANID- Agencia Nacional de Investigación y Desarrollo
• 2021-Noble Metal Nanoparticles Supported on Earth-Abundant Nanotubes for the Catalytic Reduction of Nitrophenols in Water-Investigador Patrocinante-042131DP_POSTDOC
• 2021-APOYO CONTINUIDAD FONDECYT-Investigador Responsable-DICYT-USACH
• 2019-2021-051916VC_DAS (Preparación Y Caracterización Térmica De Nanofluidos Para Aplicaciones Tecnológicas A Microescala)-Investigador Asociado-DICYT - USACH Asociativos Universidad de Santiago de Chile
• 2018-2028-Millennium Institute for Research in Optics (MIRO)-ANID- Investigador Principal-Millennium Science Initiative- CHILE.

Especialidad en ciencia de materiales aplicados principalmente en energías renovables y tecnología de hidrógeno