Listar por autoría "a5b1f486-aa26-4dbd-9daf-2e9140a7389b"
Mostrando ítems 1-20 de 27
-
A general method to determine optimal thermal cycles based on solid-state sintering fundamentals
Barba-Juan, Antonio; Clausell-Terol, Carolina Elsevier (2019-04-01)Most technical ceramics require processing up to and including final-stage sintering to obtain a high-density bulk while inhibiting grain growth as dominant sintering process as far as possible. The literature typically ... -
Ciclo térmico para la obtención de una ferrita de Ni-Zn: (I) Diseño de la etapa de sinterización
Barba-Juan, Antonio; Clausell-Terol, Carolina; Monzó Fuster, María; Jarque Fonfría, Juan Carlos Sociedad Española de Cerámica y Vidrio (2008)Las piezas cerámicas obtenidas a partir de polvos de ferritas de composición (Cu0.12Ni0.23Zn0.65)Fe2O4 destacan como absorbentes de radiación electromagnética entre las ferritas de Ni-Zn dopadas con Cu, impidiendo ... -
Ciclo térmico para la obtención de una ferrita de Ni-Zn: (II) Influencia de la etapa de enfriamiento
Barba-Juan, Antonio; Clausell-Terol, Carolina; Monzó Fuster, María; Jarque Fonfría, Juan Carlos Sociedad Española de Cerámica y Vidrio (2008)Las piezas cerámicas obtenidas a partir de polvos de ferritas de composición (Cu0.12Ni0.23Zn0.65)Fe2O4 destacan como absorbentes de radiación electromagnética entre las ferritas de Ni-Zn dopadas con Cu, impidiendo ... -
Compositional effects on the crosslink density of Ca–(Mg)–(Y)–Si–Al–oxyfluoronitride glasses
Clausell-Terol, Carolina; Barba-Juan, Antonio; Jarque Fonfría, Juan Carlos; García Bellés, Àngel R.; Pomeroy, M. J.; Hampshire, S. Wiley (2017-09)The effects of fluorine and nitrogen substitution for oxygen in aluminosilicate glasses, effectively oxyfluoronitride (OFN) glasses, modified by calcium, calcium–yttrium or calcium–magnesium on thermal and physical/mechanical ... -
Effect of average grain size and sintered relative density on the imaginary part – µ″ of the complex magnetic permeability of (Cu0.12Ni0.23Zn0.65)Fe2O4 system
Clausell-Terol, Carolina; Barba-Juan, Antonio; Nuño, Luis; Jarque Fonfría, Juan Carlos Elsevier (2016)The influence of the sintered microstructure on the electromagnetic properties of Cu-doped NiZn ferrites were investigated. Two of the main variables of the thermal cycle have been modified: the maximum sintering temperature ... -
Effect of exogenous treatments with encapsulated salicylic acid on Arabidopsis thaliana development
Sampedro Guerrero, Jimmy Andres; Vives-Peris, Vicente; Gomez-Cadenas, Aurelio; Clausell-Terol, Carolina Sociedad Española de Biología de Plantas (2023-04-19)Environmental stresses are the main consequences derived from climate change that affect crop production and plants development. In response to these unfavorable conditions, plants undergo changes at morphological, ... -
Effect of fluorine and nitrogen content on the properties of Ca-Mg-Si-Al-O-(N)-(F) glasses
García Bellés, Àngel R.; Clausell-Terol, Carolina; Barba-Juan, Antonio; Pomeroy, M. J.; Hampshire, S. Elsevier (2017)X-ray amorphous glasses of composition (in equivalent percent) 15Ca:15Mg: 55Si:15Al:(100-x-y)O:xN:yF with x=0, 10, 15 and y=0, 1, 3, 5, were prepared by melting and casting. The effects of oxygen substitution by fluorine ... -
Efficient strategies for controlled release of nanoencapsulated phytohormones to improve plant stress tolerance
Sampedro Guerrero, Jimmy Andres; Vives-Peris, Vicente; Gomez-Cadenas, Aurelio; Clausell-Terol, Carolina BMC (2023-05)Climate change due to diferent human activities is causing adverse environmental conditions and uncontrolled extreme weather events. These harsh conditions are directly afecting the crop areas, and consequently, their ... -
Electromagnetic properties of ferrite tile absorber as a function of compaction pressure
Clausell-Terol, Carolina; Barba-Juan, Antonio; Nuño, Luis; Jarque, Juan Carlos Elsevier (2016-07-06)In this study, the influence of compaction pressure on the electromagnetic properties of Cu-doped NiZn ferrites was investigated. The evolution of the imaginary part – μ″ of the complex magnetic permeability was analysed ... -
Encapsulation Reduces the Deleterious Effects of Salicylic Acid Treatments on Root Growth and Gravitropic Response
Sampedro Guerrero, Jimmy Andres; Vives-Peris, Vicente; Gomez-Cadenas, Aurelio; Clausell-Terol, Carolina MDPI (2022-11-14)The role of salicylic acid (SA) on plant responses to biotic and abiotic stresses is well documented. However, the mechanism by which exogenous SA protects plants and its interactions with other phytohormones remains ... -
Enhancing NiZn ferrite properties through microwave sintering: A comparative studyMejora de las propiedades de la ferrita de NiZn mediante sinterización por microondas: un estudio comparativo
Clausell-Terol, Carolina; Barba-Juan, Antonio; Mormeneo-Segarra, Andrés; Putyra, Piotr; Jaworska, Lucyna Elsevier (2023-11-03)The structural, microstructural, morphological, and electromagnetic properties of a micro- and nanostructured nickel–zinc ferrite ((Cu0.12Ni0.23Zn0.65)Fe2O4) were studied after sintering between 900 and 1100 °C. The ... -
Factors Controlling Properties of Ca-Mg, Ca-Er, Ca-Nd, or Ca-Y-Modified Aluminosilicate Glasses Containing Nitrogen and Fluorine
García Bellés, Àngel R.; Monzó Fuster, María; Barba-Juan, Antonio; Clausell-Terol, Carolina; Pomeroy, M. J.; Hanifi, A. R.; Hampshire, S. John Wiley & Sons (2013)Glasses with composition (in eq.%) (30 − x)Ca:xM:55Si:15Al:80O:15N:5F have been prepared with different levels of substitution of Ca2+ cations by Mg2+, Y3+, Er3+, or Nd3+. The properties of these glasses are examined in ... -
Improvement of salicylic acid biological effect through its encapsulation with silica or chitosan
Sampedro Guerrero, Jimmy Andres; Vives-Peris, Vicente; Gomez-Cadenas, Aurelio; Clausell-Terol, Carolina Elsevier B.V. (2021-12-30)Attacks of necrotrophic and biotrophic fungi affect a large number of crops worldwide and are difficult to control with fungicides due to their genetic plasticity. Encapsulation technology is a good alternative for ... -
Influence of microstructure and magnetizing mechanisms on magnetic complex permeability (imaginary part) of a Cu-doped Ni-Zn polycrystalline ferrite
Barba-Juan, Antonio; Vicente-Agut, Nuria; Mormeneo-Segarra, Andrés; Clausell-Terol, Carolina Elsevier (2021)The complex permeability of the Cu-doped Ni–Zn polycrystalline ferrites is strongly dependent on microstructure, particularly on relative density (ϕ) and average grain size (G), as it has been shown in a previous ... -
Magnetic complex permeability (imaginary part) dependence on the microstructure of a Cu-doped Ni–Zn-polycrystalline sintered ferrite
Barba-Juan, Antonio; Clausell-Terol, Carolina; Jarque Fonfría, Juan Carlos; Nuño, Luis Elsevier (2020-07)In this study, the effective complex magnetic permeability-imaginary part of a Cu doped-NiZn polycrystalline ferrite used as EMI suppressor has been quantitatively related to microstructural parameters. It has been observed ... -
Microstructure-dependent magnetic permeability in ferrites from nanoparticles
Barba-Juan, Antonio; Vicente-Agut, Nuria; Mormeneo-Segarra, Andrés; Clausell-Terol, Carolina Elsevier (2023-04-03)Ferrite samples of composition Cu0.12Ni0.23Zn0.65(Fe2O4) have been prepared by a conventional ceramic process using different sintering temperatures and dwell times. The average particle size is around 25–30 nm and, after ... -
New model to tune the dielectric properties of dense and half-dense sintered polycrystalline cu-doped Ni–Zn ferrite
Vicente-Agut, Nuria; Mormeneo-Segarra, Andrés; Clausell-Terol, Carolina; Barba-Juan, Antonio Elsevier (2021-11-30)Sintered polycrystalline Cu-doped Ni–Zn ferrite specimens have been successfully prepared by a conventional ceramic method using different pressure-temperature-time cycles. The studied samples, with an average grain size ... -
Obtainment of nanoparticulate CuNiZn ferrite powder by high-energy milling
Barba-Juan, Antonio; Clausell-Terol, Carolina; Jarque Fonfría, Juan Carlos; Monzó Fuster, María The Ceramic Society of Japan (2012-08)This study was undertaken to obtain nanoparticulate CuNiZn ferrite powder by high-energy milling, as this is an approach that could potentially be scaled up for industrial use. Such nanometric particles may be expected to ... -
Oxynitride glasses: a review
García Bellés, Àngel R.; Clausell-Terol, Carolina; Barba-Juan, Antonio Elsevier (2016)Oxynitride glasses are special types of silicates or silicoaluminates which have been the object of many studies over the last forty years. They can be prepared by means of various complex methods, leading to variable ... -
Problemas resueltos de reactores químicos y bioquímicos
Barba-Juan, Antonio; Clausell-Terol, Carolina Universitat Jaume I (2015)