UAB Digital Repository of Documents 26 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
1.
21 p, 1.9 MB Unveiling a New High-Temperature Ordered Magnetic Phase in ϵ-Fe2O3 / García Muñoz, José Luis (Institut de Ciència de Materials de Barcelona) ; Romaguera, Arnau (Institut de Ciència de Materials de Barcelona) ; Fauth, François (ALBA Laboratori de Llum de Sincrotró) ; Nogués i Sanmiquel, Josep (Institut Català de Nanociència i Nanotecnologia) ; Gich i Garcia, Martí (Institut de Ciència de Materials de Barcelona)
Iron oxides are among the most abundant materials on Earth, and yet there are some of their basic properties which are still not well-established. Here, we present temperature-dependent magnetic, X-ray, and neutron diffraction measurements refuting the current belief that the magnetic ordering temperature of ϵ-FeO is ∼500 K, i. [...]
2017 - 10.1021/acs.chemmater.7b03417
Chemistry of materials, Vol. 29, Issue 22 (November 2017) , p. 9705-9713  
2.
25 p, 779.1 KB Colloidal Silicon-Germanium Nanorod Heterostructures / Lu, Xiaotang (University of Texas. Texas Materials Institute) ; De La Mata, Maria (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Korgel, Brian A. (University of Texas. Texas Materials Institute)
Colloidal nanorods with axial Si and Ge heterojunction segments were produced by solution-liquid-solid (SLS) growth using Sn as a seed metal and trisilane and diphenylgermane as Si and Ge reactants. The low solubility of Si and Ge in Sn helps to generate abrupt Si-Ge heterojunction interfaces. [...]
2017 - 10.1021/acs.chemmater.7b03868
Chemistry of materials, Vol. 29, Issue 22 (November 2017) , p. 9786-9792  
3.
SnP nanocrystals as anode materials for Na-ion batteries / Liu, Junfeng (Institut de Recerca en Energia de Catalunya) ; Wang, Shutao (EMPA-Swiss Federal Laboratories for Materials Science and Technology) ; Kravchyk, Kostiantyn (EMPA-Swiss Federal Laboratories for Materials Science and Technology) ; Ibáñez, Maria (EMPA-Swiss Federal Laboratories for Materials Science and Technology) ; Krumeich, Frank (ETH Zürich. Department of Chemistry and Applied Biosciences) ; Widmer, Roland (EMPA-Swiss Federal Laboratories for Materials Science and Technology) ; Nasiou, Déspina (Institut Català de Nanociència i Nanotecnologia) ; Meyns, Michaela (Institut de Recerca en Energia de Catalunya) ; Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Kovalenko, Maksym V. (ETH Zürich. Department of Chemistry and Applied Biosciences) ; Cabot, Andreu (Institut de Recerca en Energia de Catalunya)
Tin monophosphide is a layered material consisting of Sn-P-P-Sn sandwiches that are stacked on top of each other to form a three dimensional crystallographic structure. Its composition and crystal structure makes it an excellent candidate anode material for sodium-ion batteries (SIBs). [...]
2018 - 10.1039/c8ta01492b
Journal of materials chemistry A, Vol. 6, Issue 23 (June 2018) , p. 10958-10966  
4.
Colloidal Ni-Co-Sn nanoparticles as efficient electrocatalysts for the methanol oxidation reaction / Li, Junshan (Institut de Recerca en Energia de Catalunya) ; Luo, Zhishan (Institut de Recerca en Energia de Catalunya) ; He, Feng (University of Chinese Academy of Sciences) ; Zuo, Yong (Institut de Recerca en Energia de Catalunya) ; Zhang, Chaoqi (Institut de Recerca en Energia de Catalunya) ; Liu, Junfeng (Institut de Recerca en Energia de Catalunya) ; Yu, Xiaoting (Institut de Recerca en Energia de Catalunya) ; Du, Ruifeng (Institut de Recerca en Energia de Catalunya) ; Zhang, Ting (Institut Català de Nanociència i Nanotecnologia) ; Infante Carrió, María F. (Institut Català de Nanociència i Nanotecnologia) ; Tang, PengYi (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ; Cabot, Andreu (Institut de Recerca en Energia de Catalunya)
The deployment of direct methanol fuel cells requires engineering cost-effective and durable electrocatalysts for the methanol oxidation reaction (MOR). As an alternative to noble metals, Ni-based alloys have shown excellent performance and good stability toward the MOR. [...]
2018 - 10.1039/c8ta08242a
Journal of materials chemistry A, Vol. 6, Issue 45 (December 2018) , p. 22915-22924  
5.
39 p, 934.4 KB Remanence plots as a probe of spin disorder in magnetic nanoparticles / De Toro, José A. (Instituto Regional de Investigación Científica Aplicada) ; Vasilakaki, Marianna (Ethniko Kentro Ereunas Physikōn Epistēmōn "Demokritos") ; Lee, Su Seong (Institute of Bioengineering and Nanotechnology) ; Andersson, Mikael S. (Uppsala University. Department of Engineering Sciences) ; Normile, Peter S. (Instituto Regional de Investigación Científica Aplicada) ; Yaacoub, Nader (Université du Maine. Institut des Molécules et Mateŕiaux du Mans) ; Murray, Peyton D. (University of California. Physics Department) ; Sánchez, Elena H. (Instituto Regional de Investigación Científica Aplicada) ; Muñiz, Pablo (Instituto Regional de Investigación Científica Aplicada) ; Peddis, Davide (Istituto di Struttura della Materia) ; Mathieu, Roland (Uppsala University. Department of Engineering Sciences) ; Liu, Kai (University of California. Physics Department) ; Geshev, Julian (Universidade Federal Do Rio Grande Do sul. Instituto de Física) ; Trohidou, Kalliopi N. (Ethniko Kentro Ereunas Physikōn Epistēmōn "Demokritos") ; Nogués i Sanmiquel, Josep (Institut Català de Nanociència i Nanotecnologia)
Remanence magnetization plots (e. g. , Henkel or δM plots) have been extensively used as a straightforward way to determine the presence and intensity of dipolar and exchange interactions in assemblies of magnetic nanoparticles or single domain grains. [...]
2017 - 10.1021/acs.chemmater.7b02522
Chemistry of materials, Vol. 29, Issue 19 (October 2017) , p. 8258-8268  
6.
11 p, 2.4 MB Triphenyl phosphite as the phosphorus source for the scalable and cost-effective production of transition metal phosphides / Liu, Junfeng (Institut de Recerca en Energia de Catalunya) ; Meyns, Michaela (Institut de Recerca en Energia de Catalunya) ; Zhang, Ting (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Cabot, Andreu (Institució Catalana de Recerca i Estudis Avançats) ; Shavel, Alexey (Institut de Recerca en Energia de Catalunya)
Transition metal phosphides have great potential to optimize a number of functionalities in several energy conversion and storage applications, particularly when nanostructured or in nanoparticle form. [...]
2018 - 10.1021/acs.chemmater.8b00290
Chemistry of materials, Vol. 30, issue 5 (March 2018) , p. 1799-1807  
7.
37 p, 2.3 MB Seeded Growth Synthesis of Au-Fe3O4 Heterostructured Nanocrystals : Rational Design and Mechanistic Insights / Fantechi, Elvira (Institut Català de Nanociència i Nanotecnologia) ; Gómez Roca, Alejandro (Institut Català de Nanociència i Nanotecnologia) ; Sepúlveda Martínez, Borja (Institut Català de Nanociència i Nanotecnologia) ; Torruella, Pau (Universitat de Barcelona. Departament d'Electrònica) ; Estradé, Sònia (Universitat de Barcelona. Departament d'Electrònica) ; Peiró, Francesca (Universitat de Barcelona. Departament d'Electrònica) ; Coy, Emerson (Adam Mickiewicz University) ; Jurga, Stefan (Adam Mickiewicz University) ; Gómez Bastús, Neus (Institut Català de Nanociència i Nanotecnologia) ; Nogués i Sanmiquel, Josep (Institut Català de Nanociència i Nanotecnologia) ; Puntes, Víctor (Institut Català de Nanociència i Nanotecnologia)
Multifunctional hybrid nanoparticles comprising two or more entities with different functional properties are gaining ample significance in industry and research. Due to its combination of properties, a particularly appealing example is Au-FeO composite nanoparticles. [...]
2017 - 10.1021/acs.chemmater.7b00608
Chemistry of Materials, Vol. 29, Issue 9 (May 2017) , p. 4022-4035  
8.
8 p, 813.8 KB Maximizing Exchange Bias in Co/CoO Core/Shell Nanoparticles by Lattice Matching between the Shell and the Embedding Matrix / González, Juan A. (Instituto Regional de Investigación Científica Aplicada) ; Andrés, Juan P. (Instituto Regional de Investigación Científica Aplicada) ; López Antón, Ricardo (Instituto Regional de Investigación Científica Aplicada) ; De Toro, José A. (Instituto Regional de Investigación Científica Aplicada) ; Normile, Peter S. (Instituto Regional de Investigación Científica Aplicada) ; Muñiz, Pablo (Instituto Regional de Investigación Científica Aplicada) ; Riveiro, J. Manuel (Instituto Regional de Investigación Científica Aplicada) ; Nogués i Sanmiquel, Josep (Institut Català de Nanociència i Nanotecnologia)
The exchange bias properties of 5 nm Co/CoO ferromagnetic/antiferromagnetic core/shell nanoparticles, highly dispersed in a CuO matrix, have been optimized by matching the lattice parameter of the matrix with that of the CoO shell. [...]
2017 - 10.1021/acs.chemmater.7b00868
Chemistry of Materials, Vol. 29, Issue 12 (June 2017) , p. 5200-5206  
9.
11 p, 4.3 MB Switchable colloids, thin-films and interphases based on metal complexes with non-innocent ligands : The case of valence tautomerism and their applications / Vázquez Mera, Nuria Alexandra (Institut Català de Nanociència i Nanotecnologia) ; Novio Vázquez, Fernando (Institut Català de Nanociència i Nanotecnologia) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia) ; Bellacanzone, Christian (Institut Català de Nanociència i Nanotecnologia) ; Guardingo Melián, Mireia (Institut Català de Nanociència i Nanotecnologia) ; Hernando Campos, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ; Ruiz Molina, Daniel (Institut Català de Nanociència i Nanotecnologia)
Successful nanostructuration approaches developed in the last few years have allowed the preparation of robust valence tautomeric (VT) switchable (micro-/nano-) structures of a variety of dimensions and morphologies. [...]
2016 - 10.1039/c6tc00038j
Journal of materials chemistry C, Vol. 4, Issue 25 (July 2016) , p. 5879-5889  
10.
19 p, 1.0 MB Passivation layers for nanostructured photoanodes : Ultra-thin oxides on InGaN nanowires / Neuderth, Paula (Justus Liebig University Giessen) ; Hille, Pascal (University of Bremen. Institute of Solid State Physics) ; Schörmann, Jörg (Justus Liebig University Giessen) ; Frank, A. (Justus Liebig University Giessen) ; Reitz, C. (Karlsruhe Institute of Technology) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; De La Mata, Maria (Institut Català de Nanociència i Nanotecnologia) ; Coll Bau, Mariona (Institut de Ciència de Materials de Barcelona) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Marschall, R. (Justus Liebig University Giessen) ; Eickhoff, Martin (University of Bremen)
An experimental strategy for systematically assessing the influence of surface passivation layers on the photocatalytic properties of nanowire photoanodes by combining photocurrent analysis, photoluminescence spectroscopy and high resolution transmission electron microscopy with a systematic variation of sample structure and the surrounding electrolyte is demonstrated. [...]
2018 - 10.1039/c7ta08071a
Journal of materials chemistry A, Vol. 6, Issue 2 (January 2018) , p. 565-573  

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