Search Results - "Quiroz, Heiddy P."

Exchange bias coupling and bipolar resistive switching at room temperature on GaSb/Mn multilayers for resistive memories applications by Calderón, Jorge A., Quiroz, Heiddy P., Terán, Cristian L., Manso-Silván, M., Dussan, A., Muñoz Noval, Álvaro

“…This work present structural, morphological, magnetic, and electrical properties of GaSb/Mn multilayer deposited via DC magnetron sputtering at room…”
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Ferromagnetic-like behavior of Co doped TiO2 flexible thin films fabricated via co-sputtering for spintronic applications by Quiroz, Heiddy P., Galíndez, E.F., Dussan, A.

“…TiO2:Co thin films on ITO (Indium-tin-oxide)/PET (Poly Ethylene Terephthalate) flexible and glass substrates were fabricated via DC magnetron co-sputtering at…”
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Magnetic switching control in Co/TiO2 bilayer and TiO2:Co thin films for Magnetic-Resistive Random Access Memories (M-RRAM) by Quiroz, Heiddy P., Calderón, Jorge A., Dussan, A.

“…The classical architecture of the resistive Non-Volatile Memories (NVM) is metal/insulator/metal and, more recently, metal/metal oxides/metal. An alternative…”
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Magnetic behavior and conductive wall switching in TiO2 and TiO2:Co self-organized nanotube arrays by Quiroz, Heiddy P., Serrano, J.E., Dussan, A.

“…This work presents a study of the physical properties of self-organized nanotubes of TiO2 and Co doped TiO2, fabricated by an electrochemical anodized. The Co…”
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Micro-structural and morphological properties and magnetic behavior of GaΛSb (Λ = Mn, Ni) nanostructured thin films by magnetron co-sputtering by Quiroz, Heiddy P., Calderón, Jorge A., Dussan, A.

“…•Binary phases, like GaSb, Mn2Sb2, and Mn2Sb were observed from Rietveld refinement.•XRD pattern of the GaNiSb thin films shows increased crystallinity with…”
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Super-exchange interaction model in DMOs: Co doped TiO2 thin films by Quiroz, Heiddy P., Galíndez, E. F., Dussan, A., Cardona-Rodriguez, A., Ramirez, Juan Gabriel

“…This work presents a study of the structural, morphological, and magnetic properties of TiO 2 /Co thin films deposited by DC magnetron co-sputtering of Co and…”
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Magnetic-resistive random access memories based on diluted Co-TiO2 nanotubes by Jaimes, Kimy S., Quiroz, Heiddy P., Calderón, Jorge A., Dussan, A.

“…•TiO₂ and TiO₂:Co nanotubes were synthesized via electrochemical anodization.•XRD identified anatase phase in all samples, with no binary Co phases…”
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GaSb/Mn multilayers structures fabricated by DC magnetron sputtering: Interface feature and nano-scale surface topography by Calderón, Jorge A., Quiroz, Heiddy P., Manso-Silván, M., Noval, Álvaro Muñoz, Dussan, A., Méndez, H.

“…The multilayer structure is a well-studied architecture for electronic and optoelectronic applications and more recently in spintronic devices. In this work,…”
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INFLUENCE OF THE SUBSTRATE TEMPERATURE ON OPTICAL AND STRUCTURAL PROPERTIES OF GaSb:Ni ALLOYS by Heiddy P. Quiroz, Anderson Dussan

“…GaSb:Ni ternary alloys thin films were deposited via sputtering method (DC magnetron Co{Sputtering) varying the substrate temperature (Ts). From spectra…”
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Nano-columnar grain growth structure of boron-compensated silicon thin films by transmission electron microscopy by Dussan, A., Quiroz, Heiddy P., Martínez A., J.G.

“…Here in we present a study of the influence of Boron concentration upon the growth, and structural properties of hydrogenated nano and microcrystalline silicon…”
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DEPENDENCE OF PHOTONIC BAND GAP ON THE RADIUS OF TRACES IN TiO2 NANOSTRUCTURES by Claudia P. Barrera, Heiddy P. Quiroz, Rafael R. Rey, Anderson Dussan

“…We study the evolution of the photonic gap present in TiO2 traces, these structures appear in the Ti-TiO2 interface during titania nanotubes formation. Traces…”
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Synthesis temperature dependence on magnetic properties of cobalt doped TiO2 thin films for spintronic applications by Quiroz, Heiddy P., Dussan, Anderson

“…In this work, TiO2:Co thin films were prepared by the DC Magnetron Co-Sputtering system on glass substrates, varying the substrate temperature. The magnetron…”
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EFFECT OF VOLTAGE ON TiO2 NANOSTRUCTURED BY ELECTROCHEMICAL ANODIZATION by Heiddy P. Quiroz, Anderson Dussan, Francisco Quintero, Pedro J. Arias, Hugo R. Zea

“…In this work TiO2 nanotubes arrays were obtained by electrochemical anodization method using Ti foil, both anode and cathode, and under different anodization…”
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STRUCTURAL CHARACTERIZATION OF VOLCANIC ASH OF THE NEVADO DEL RUIZ: ZEOLITE PHASE IDENTIFICATION by Heiddy P. Quiroz, Anderson Dussan, Sandra M. López, Jorge A. Calderón, Jesús H. Otálora, Ricardo Chica

“…This paper presents a study of the structural properties obtained from volcanic ash from Nevado del Ruiz located in the Central Range of Andes - Colombia. The…”
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Evidence of the Berreman effect in TiO2:Co thin layers deposited by DC magnetron Co-Sputtering: A correlation between optical properties and LO-TO splitting modes by Quiroz, Heiddy P., Dussan, A.

“…In this work TiO2:Co thin films were deposited by DC magnetron Co-sputtering method, varying the substrate temperature between 300 K and 523 K. The anatase and…”
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Effect of annealing process in TiO2 thin films: Structural, morphological, and optical properties by Dussan, A., Bohórquez, A., Quiroz, Heiddy P.

“…[Display omitted] •TiO2 nanoflowers were fabricated via the CBD method using an acidic solution without pH regulation.•Annealing processes affect the…”
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Estructura cristalina del compuesto Cu2ZnSnSe4 depositado por co-evaporación: análisis comparativo estannita-kesterita by Quiroz, Heiddy P, Calderón, Jorge A, Dussan, A

“…We fabricated quaternary compound, Cu2ZnSnSe4, films by co-evaporation of copper, tin and zinc selenide precursors in a selenium atmosphere and deposited the…”
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Zeolites derived from natural minerals: Solid rock and volcanic ash by Dussan, A., Calderón, Jorge A., Quiroz, Heiddy P.

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Super-exchange interaction model in DMOs: Co doped TiO.sub.2 thin films by Quiroz, Heiddy P, Galíndez, E. F, Dussan, A, Cardona-Rodriguez, A, Ramirez, Juan Gabriel

“…This work presents a study of the structural, morphological, and magnetic properties of TiO.sub.2/Co thin films deposited by DC magnetron co-sputtering of Co…”
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Ion migration in GaSb/Mn multilayers for memories applications: Study of Mn diffusion into the GaSb layers by Calderón, Jorge A., Terán, Cristian L., Quiroz, Heiddy P., Dussan, A., Manso-Silván, M.

“…This work presents a study of bilayer and multilayer systems of GaSb/Mn, obtained via DC magnetron sputtering at room temperature for memories applications…”
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