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Browsing by Subject "Transition"

Now showing items 1-20 of 25

A Switchable Molecular Rotator: Neutron Spectroscopy Study on a Polymeric Spin-Crossover Compound

Rodriguez-Velamazan, J.A.; Gonzalez, M.A.; Real, J.A.; Castro, M.; Muñoz Roca, María del Carmen; Gaspar, A.B.; Ohtani, R.; Ohba, M.; Yoneda, K.; Hijikata, Y.; Yanai, N.; Mizuno, M.; Ando, H.; Kitagawa, S. (American Chemical Society, 2012-03-21)

A quasielastic neutron scattering and solid-state H-2 NMR spectroscopy study of the polymeric spin-crossover compound {Fe(pyrazine)[Pt(CN)(4)]} shows that the switching of the rotation of a molecular fragment- the pyrazine ...
Beyond Attrition and Retention: Working With Students to Enhance the First Year Experience

Gerodetti, Natalia; Nixon, Darren (Editorial Universitat Politècnica de València, 2019-07-05)

[EN] Student retention and attrition rates have been established as Key Performance Indicators (KPIs) for course teams in the Higher Education landscape in the UK. Against this quantified (and neoliberal) auditable ...
Compact Microstrip to Empty Substrate Integrated Coaxial Line Transition

Quiles, Ferran; Belenguer Martínez, Ángel; Martínez-Zamora, Juan Ángel; Nova-Giménez, Vicente; Esteban González, Héctor; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers, 2018)

[EN] Substrate integrated waveguides are increasingly being used due to their capability of combining the advantages of planar circuits and traditional waveguides. The development of empty substrate integrated waveguides ...
Complex high-pressure polymorphism of barium tungstate

Gomis Hilario, Oscar; Sans, J. A.; Lacomba-Perales, R.; Errandonea, D.; Meng, Y.; Chervin, J. C.; Polian, A. (American Physical Society, 2012-08-27)

We have studied BaWO 4 under compression at room temperature by means of x-ray diffraction and Raman spectroscopy. When compressed with neon as a pressure-transmitting medium (quasihydrostatic conditions), we found that ...
Compressibility systematics of calcite-type borates : An experimental and theoretical structural study on ABO3 (A = Al, Sc, Fe and In)

Santamaría Pérez, David; Gomis Hilario, Oscar; Sans, Juan Ángel; Ortiz, H. M.; Vegas, Ángel; Errandonea, Daniel; Ruiz-Fuertes, Javier; Martínez-García, Domingo; García-Domene, B.; Pereira, ALJ; Manjón Herrera, Francisco Javier; Rodríguez-Hernández, Placida; Muñoz, A.; Piccinelli, F.; Bettinelli, M.; Popescu, C. (American Chemical Society, 2014-02-27)

The structural properties of calcite-type orthoborates ABO(3) (A = Al, Fe, Sc, and In) have been investigated at high pressures up to 32 GPa. They were studied experimentally using synchrotron powder X-ray diffraction and ...
Design of F-Band Transition From Microstrip to Ridge Gap Waveguide Including Monte Carlo Assembly Tolerance Analysis

Algaba-Brazález, Astrid; Flygare, Jonas; Yang, Jian; Vassilev, Vessen; Baquero Escudero, Mariano; Kildal, Per-Simon (Institute of Electrical and Electronics Engineers (IEEE), 2016-04)

This paper describes the design and realization of a transition from a microstrip line to a ridge gap waveguide operating between 95 and 115 GHz. The study includes simulations, measurements, and a Monte Carlo analysis ...
Ecología global, sensibilidades locales. El rol de las humanidades ambientales frente a la crisis ecosocial contemporánea

Albelda Raga, José Luís; Sgaramella, Chiara (Editorial Universitat Politècnica de València, 2017-10-23)

[EN] The interdisciplinary research project entitled Environmental' humanities.' Strategies' for' ecological' empathy' and' the' transition' towards' sustainable' societies investigates the role of ethics, visual arts and ...
Ecología global, sensibilidades locales. El rol de las humanidades ambientales frente a la crisis ecosocial contemporánea

Albelda Raga, José; Sgaramella, Chiara (Universitat Politècnica de València, 2017-07-05)

[EN] The interdisciplinary research project entitled Environmental humanities. Strategies for ecological empathy and the transition towards sustainable societies investigates the role of ethics, visual arts and literature ...
Effects of high-pressure on the structural, vibrational, and electronic properties of monazite-type PbCrO4

Bandiello, E.; Errandonea, D.; Martinez-Garcia, D.; Santamaria-Perez, D.; Manjón Herrera, Francisco Javier (American Physical Society, 2012-01-12)

We have performed an experimental study of the crystal structure, lattice dynamics, and optical properties of PbCrO 4 (the mineral crocoite) at ambient and high pressures. In particular, the crystal structure, Raman-active ...
Estudio de soluciones y diseño hidráulico del desvío del Colector Sur en su cruce con el canal de acceso de la Línea de Alta Velocidad en Valencia

Cabo López, Pablo (2014-07-07)

[EN] The construction of the High Speed Railway Access Channel, included in the project of ¿Railway Arterial Network of Valencia¿, affects a stretch of ¿Southern main sewer: Tránsitos branch¿ situated under the track bed ...
High-pressure crystal structure, lattice vibrations, and band structure of BiSbO4

Errandonea, Daniel; Muñoz, Alfonso; Rodríguez-Hernández, Plácida; Gomis, O.; Achary, S. Nagabhusan; Popescu, Catalin; Patwe, Sadeque J.; Tyagi, Avesh J. (American Chemical Society, 2016-05-16)

The high-pressure crystal structure, lattice-vibrations HP crystal structure, lattice vibrations, and band , and electronic band structure of BiSbO4 were studied by ab initio simulations. We also performed Raman spectroscopy, ...
High-pressure Raman spectroscopy and lattice-dynamics calculations on scintillating MgWO4: A comparison with isomorphic compounds

Ruiz-Fuertes, J.; Errandonea, D.; López-Moreno, S.; González, J.; Gomis Hilario, Oscar; Vilaplana Cerda, Rosario Isabel; Manjón Herrera, Francisco Javier; Muñoz, A.; Rodríguez-Hernández, P.; Friedrich, A.; Tupitsyna, I. A.; Nagornaya, L. L. (American Physical Society, 2011-06-30)

Raman scattering measurements and lattice-dynamics calculations were performed on magnesium tungstate (MgWO 4) under high pressure up to 41 GPa. Experiments were carried out on a selection of pressure media. The influence ...
High-pressure study of the behavior of mineral barite by X-ray diffraction

Santamaría-Pérez, D.; Gracia, L.; Garbarino, G.; Beltrán, A.; Chuliá-Jordán, R.; Gomis Hilario, Oscar; Errandonea, D.; Ferrer-Roca, Ch.; Martínez-García, D.; Segura, A. (American Physical Society, 2011-08-02)

In this paper, we report the angle-dispersive x-ray diffraction data of barite, BaSO 4, measured in a diamond-anvil cell up to a pressure of 48 GPa, using three different fluid pressure-transmitting media (methanol-ethanol ...
New polymorph of InVO4: A high-pressure structure with six-coordinated vanadium

Errandonea, Daniel; Gomis Hilario, Oscar; García-Domene, B.; Pellicer Porres, Julio; Katari, V.; Achary, S. N.; Tyagi, A. K.; Popescu, C. (American Chemical Society, 2013-11-04)

A new wolframite-type polymorph of InVO4 is identified under compression near 7 GPa by in situ high-pressure (HP) X-ray diffraction (XRD) and Raman spectroscopic investigations on the stable orthorhombic InVO4. The structural ...
Novel Iron(II) Microporous Spin-Crossover Coordination Polymers with Enhanced Pore Size

Muñoz Roca, María del Carmen (American Chemical Society, 2013-01-07)

In this Communication, we report the synthesis and characterization of novel Hofmann-like spin-crossover porous coordination polymers of composition {Fe(L)[M(CN)4]}·G [L = 1,4-bis(4-pyridylethynyl)- benzene and MII = ...
Pbca-Type In2O3: the high-pressure post-corundum phase at room temperature

García-Domene, B.; Sans Tresserras, Juan Ángel; Gomis, O.; Manjón Herrera, Francisco Javier; Ortiz, H. M.; Errandonea, Daniel; Santamaría Pérez, David; Martinez-Garcia, D.; Vilaplana Cerda, Rosario Isabel; Pereira, A. L. J.; Morales-Garcia, A.; Rodríguez Hernández, Plácida; Muñoz, Alfonso; Popescu, Catalin; Segura, A. (American Chemical Society, 2014-09-04)

High-pressure powder X-ray diffraction and Raman scattering measurements in cubic bixbyite-type indium oxide (c-In2O3) have been performed at room temperature. On increasing pressure c-In2O3 undergoes a transition to the ...
Personal development, resilience theory and transition to university for 1st year students

Pickard, Luke; McKenna, James; Brunton, Julie; Utley, Andrea (Editorial Universitat Politècnica de València, 2017-06-26)

[EN] Aim The study aimed to determine whether an outdoor orientation programme (OOP) could increase personal development, develop resilience and aid transition and adaptation in 1st year university students. OOPs are thought ...
Phase behaviour of Ag2CrO4 under compression: Structural, vibrational, and optical properties

Santamaría Pérez, David; Bandiello, Enrico; Errandonea, Daniel; Ruiz-Fuertes, Javier; Gomis Hilario, Oscar; Sans, Juan Ángel; Manjón Herrera, Francisco Javier; Rodríguez-Hernández, Plácida; Muñoz, Alfonso (American Chemical Society, 2013-06-13)

We have performed an experimental study of the crystal structure, lattice dynamics, and optical properties of silver chromate (Ag2CrO4) at ambient temperature and high pressures. In particular, the crystal structure, ...
Polaron framework to account for transport properties in metallic epitaxial manganite films

Graziosi, Patrizio; Gambardella, A.; Prezioso, M.; Riminucci, A.; Bergenti, I.; Homonnay, N.; Schmidt, G.; Pullini, D.; Busquets Mataix, David Jerónimo (American Physical Society, 2014-06-12)

[EN] We propose a model for the consistent interpretation of the transport behavior of manganese perovskites in both the metallic and insulating regimes. The concept of polarons as charge carriers in the metallic ferromagnetic ...
Selective catechol-triggered supramolecular gel disassembly

Sáez Cases, José Antonio; Escuder, Beatriu; Miravet, Juan F. (Royal Society of Chemistry, 2010)

[EN] Supramolecular gels formed by an isonicotinic acid derivative in toluene are selectively disassembled in the presence of catechol. The results represent a unique example of molecular recognition associated to gel ...