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Ara es mostren els items 53-72 de 155

    • Genuine antiplasticizing effect of water on a glass-former drug 

      Ruiz Tabbia, Guadalupe Natalia; Romanini, Michela; Hauptmann, Astrid; Loerting, Thomas; Shalaev, Evgenyi; Tamarit Mur, José Luis; Pardo Soto, Luis Carlos; Macovez, Roberto (Macmillan Publishers, 2017-08-07)
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      Accés obert
      Water is the most important plasticizer of biological and organic hydrophilic materials, which generally exhibit enhanced mechanical softness and molecular mobility upon hydration. The enhancement of the molecular dynamics ...

    • Giant and reversible barocaloric effect in trinuclear spin-crossover complex Fe3(bntrz)6(tcnset)6 

      Romanini, Michela; Lloveras Muntané, Pol Marcel; Barrio Casado, María del; Aznar Luque, Araceli; Gracia Condal, Adrià; Emre, Baris; Tamarit Mur, José Luis; Planes Vila, Antoni; Manosa, L (2021-03)
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      Accés obert
      A giant barocaloric effect (BCE) in a molecular material Fe3(bntrz)6(tcnset)6 (FBT) is reported, where bntrz = 4-(benzyl)-1,2,4-triazole and tcnset = 1,1,3,3-tetracyano-2-thioethylepropenide. The crystal structure of FBT ...

    • Giant and reversible inverse barocaloric effects near room temperature in ferromagnetic MnCoGeB0.03 

      Aznar Luque, Araceli; Lloveras Muntané, Pol Marcel; Kim, Jiyeob; Stern Taulats, Enric; Barrio Casado, María del; Tamarit Mur, José Luis; Mathur, N.D.; Moya Raposo, Xavier (2019-09-13)
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      Accés obert
      Hydrostatic pressure represents an inexpensive and practical method of driving caloric effects in brittle magnetocaloric materials, which display first-order magnetostructural phase transitions whose large latent heats are ...

    • Giant barocaloric effect in all-d-metal Heusler shape memory alloys 

      Aznar Luque, Araceli; Gracia Condal, Adrià; Planes Vila, Antoni; Lloveras Muntané, Pol Marcel; Barrio Casado, María del; Tamarit Mur, José Luis; Xiong, Wenxin; Cong, Daoyong; Popescu, C.; Mañosa Carrera, Lluis (American Physical Society (APS), 2019-04-16)
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      Accés obert
      We have studied the barocaloric properties associated with the martensitic transition of a shape memory Heulser alloy Ni50Mn31.5Ti18.5 which is composed of all-d-metal elements. The composition of the sample has been ...

    • Giant barocaloric effects at low pressure in ferrielectric ammonium sulphate 

      Lloveras Muntané, Pol Marcel; Stern Taulats, Enric; Barrio Casado, María del; Tamarit Mur, José Luis; Crossley, Sam; Li, Wei; Pomjakushin, Vladimir; Planes Vila, Antoni; Mañosa Carrera, Lluis; Mathur, N.D.; Moya, Xavier (2015-11-01)
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      Caloric effects are currently under intense study due to the prospect of environment-friendly cooling applications. Most of the research is centred on large magnetocaloric effects and large electrocaloric effects, but the ...

    • Giant barocaloric effects over a wide temperature range in the superionic conductor AgI 

      Aznar Luque, Araceli; LLoveras, Pol; Romanini, Michela; Barrio Casado, María del; Tamarit Mur, José Luis; Cazorla Silva, Claudio; Errandonea Ponce, Daniel; Mathur, N.D.; Planes, Antoni; Moya, Xavier; Mañosa Carrera, Lluis (2017-11-29)
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      Current interest in barocaloric effects has been stimulated by the discovery that these pressure-driven thermal changes can be giant near ferroic phase transitions in materials that display magnetic or electrical order. ...

    • Giant reversible barocaloric response of (MnNiSi)(1-x)(FeCoGe)(x) (x=0.39, 0.40, 0.41) 

      Lloveras Muntané, Pol Marcel; Tapas, Samanta; Barrio Casado, María del; Dubenko, Igor; Ali, Naushad; Tamarit Mur, José Luis; Stadler, Shane (American Institute of Physics (AIP), 2019-06-01)
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      Accés obert
      MnNiSi-based alloys and isostructural systems have traditionally demonstrated impressive magnetocaloric properties near room temperature associated with a highly tunable first-order magnetostructural transition that involves ...

    • Giant solid-state barocaloric effect in the Ni-Mn-In magnetic shape-memory alloy 

      Mañosa, Lluís; Gonzalez Alonso, David; Planes, Antoni; Bonot, Erell; Barrio Casado, María del; Tamarit Mur, José Luis; Aksoy, Seda; Acet, Mehmed (2010-06-01)
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      Solid-state materials showing giant caloric effects near room temperature could provide an alternative to cooling devices based on gas cycles. Strong emphasis has so far been dedicated to caloric effects induced by a ...

    • Glassy Anomalies in the Low-Temperature Thermal Properties of a Minimally Disordered Crystalline Solid 

      Gebbia, Jonathan Fernando; Ramos, M. A.; Szewczyk, Daria; Jezowski, Andrzej; Krivchikov, Alexander; Horbatenko, Y.V; Guidi, T.; Bermejo, F. J.; Tamarit Mur, José Luis (2017-11-21)
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      Accés obert
      The low-temperature thermal and transport properties of an unusual kind of crystal exhibiting minimal molecular positional and tilting disorder have been measured. The material, namely, low-dimensional, highly anisotropic ...

    • Heat capacity anomalies of the molecular crystal 1-fluoro-adamantane at low temperatures 

      Szewczyk, Daria; Gebbia, Jonathan Fernando; Jezowski, Andrzej; Krivchikov, Alexander; Guidi, T.; Cazorla Silva, Claudio; Tamarit Mur, José Luis (Nature, 2021-09-20)
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      Accés obert
      Disorder–disorder phase transitions are rare in nature. Here, we present a comprehensive low-temperature experimental and theoretical study of the heat capacity and vibrational density of states of 1-fluoro-adamantane ...

    • Hopping conductivity and polarization effects in a fullerene derivative salt 

      Macovez, Roberto; Zachariah, Manesh; Romanini, Michela; Zygouri, Panagiota; Gournis, Dimitrios; Tamarit Mur, José Luis (2014-06-12)
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      Accés restringit per política de l'editorial
      Impedance spectroscopy is employed to probe the frequency-dependent conductivity and dielectric response of the C60O24Na 24 fulleride. The conduction properties of this organic material match the so-called universal behavior ...

    • Immediate-sustained lactate release using alginate hydrogel assembled to proteinase K/polymer electrospun fibers 

      Macor, Lorena Paola; Colombi, Samuele; Tamarit Mur, José Luis; Engel López, Elisabeth; Pérez Madrigal, Maria del Mar; García Torres, José Manuel; Alemán Llansó, Carlos (Elsevier, 2023-05-31)
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      Accés restringit per política de l'editorial
      Realitzat a/amb:   Universidad Nacional de Río Cuatro / Institut de Bioenginyeria de Catalunya / Centro de Investigación Biomédica en Red. Bioingeniería, Biomateriales y Nanomedicina
      This work proposes a microfibers-hydrogel assembled composite as delivery vehicle able to combine into a single system both burst and prolonged release of lactate. The prolonged release of lactate has been achieved by ...

    • Implanted muon spin spectroscopy on 2-O-adamantane: a model system that mimics the liquid 

      Romanini, Michela; Tamarit Mur, José Luis; Pardo Soto, Luis Carlos; Bermejo, F. J.; Fernandez Perea, Ricardo; Pratt, F. L. (2017-03-01)
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      The transition taking place between two metastable phases in 2-O-adamantane, namely the [Formula: see text] cubic, rotator phase and the lower temperature P21/c, Z  =  4 substitutionally disordered crystal is studied by ...

    • Improving barocaloric properties by tailoring transition hysteresis in Mn3Cu$_{1-x}$Sn$_{x}$N antiperovskites 

      Rendell-Bhatti, Frederic; Zeng, Ming; Lloveras Muntané, Pol Marcel; Tamarit Mur, José Luis; Barrio Casado, María del; Connolly, Eamonn T.; MacLaren, Donald A; Johnson, Freya; Cohen, Leslie; Boldrin, David (Institute of Physics (IOP), 2023-04-01)
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      Accés obert
      The magnetically frustrated manganese nitride antiperovskite family displays significant changes of entropy under changes in hydrostatic pressure near a first-order antiferromagnetic to paramagnetic phase transition that ...

    • Influence of thermal treatment on thermal properties of adamantane derivatives 

      Szewczyk, Daria; Jezowski, Andrzej; Krivchikov, Alexander I; Tamarit Mur, José Luis (2015-05-01)
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      Accés restringit per política de l'editorial
      Heat transport mechanisms present in 2-adamantanone and 1-cyanoadamantane crystals were investigated in a broad temperature range. To characterize scattering processes, thermal conductivity and heat capacity measurements ...

    • Inter-enantiomer conversion dynamics and Johari–Goldstein relaxation of benzophenones 

      Romanini, Michela; Macovez, Roberto; Tamarit Mur, José Luis (Nature, 2021-10-12)
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      Accés obert
      We employ temperature- and pressure-dependent dielectric spectroscopy, as well as differential scanning calorimetry, to characterize benzophenone and the singly-substituted ortho-bromobenzophenone derivative in the liquid ...

    • Inverse barocaloric effects in ferroelectric BaTiO3 ceramics 

      Stern-Taulats, Enric; Lloveras Muntané, Pol Marcel; Barrio Casado, María del; Defay, Emmanuel; Egilmez, Mehmet; Planes Vila, Antoni; Tamarit Mur, José Luis; Mañosa Carrera, Lluis; Mathur, N.D.; Moya Raposo, Xavier (American Institute of Physics (AIP), 2016-09-19)
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      Accés obert
      We use calorimetry to identify pressure-driven isothermal entropy changes in ceramic samples of the prototypical ferroelectric BaTiO3. Near the structural phase transitions at ~400 K (cubic-tetragonal) and ~280 K ...

    • Large barocaloric effects in two novel ferroelectric molecular plastic crystals 

      Salvatori, Alejandro; Aguilà Aviles, David; Aromí, Guillem; Mañosa Carrera, Lluis; Planes Vila, Antoni; Lloveras Muntané, Pol Marcel; Pardo Soto, Luis Carlos; Appel, Markus; Nataf, Guillaume F.; Giovannelli, Fabien; Barrio Casado, María del; Tamarit Mur, José Luis; Romanini, Michela (Royal Society of Chemistry (RSC), 2023-05-19)
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      Accés restringit per política de l'editorial
      Materials undergoing pressure-driven solid–solid phase transformations can be a valuable alternative for eco-friendly refrigeration, heat pumping and waste heat recovery based on the barocaloric effect. Ferroelectric ...

    • Liquid-liquid miscibility gaps and hydrate formation in drug-water binary systems: Pressure-temperature phase diagram of lidocaine and pressure-temperature-composition phase diagram of the lidocaine-water system 

      Céolin, René; Barrio Casado, María del; Tamarit Mur, José Luis; Veglio, Néstor Raúl; Perrin, M.A.; Espeau, Ph. (2010-06-01)
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      Accés restringit per política de l'editorial
      The pressure–temperature (P–T) melting curve of lidocaine was determined (dP/dT¼3.56MPaK 1), and the lidocaine–water system was investigated as a function of temperature and pressure. The lidocaine–water system exhibits ...

    • Liquid-liquid miscibility gaps in drug-water binary systems: crystal Structure and thermodynamic properties of prilocaine and the temperature-composition phase diagram of the prilocaine-water system 

      Rietveld, Ivo B.; Perrin, Jean-Claude; Toscani, Siro; Barrio Casado, María del; Nicolai, Beatrice; Tamarit Mur, José Luis; Céolin, René (2013-04)
      Article
      Accés restringit per política de l'editorial
      EMLA cream, a “eutectic mixture of local anesthetics”, was developed in the early 1980s by Astra Pharmaceutical Production. The mixture of anesthetics containing lidocaine, prilocaine, and water is liquid at room ...