Results 131 to 140 of about 141,990 (293)

Parsec-scale dust distributions in Seyfert galaxies - Results of the MIDI AGN snapshot survey

, 2009
The emission of warm dust dominates the mid-infrared spectra of active galactic nuclei (AGN). Only interferometric observations provide the necessary angular resolution to resolve the nuclear dust and to study its distribution and properties.
Antonucci, B. Lopez, Balestra, Beckert, Beckert, Beers, Beswick, Buchanan, Ch. Leinert, Courvoisier, D. Raban, Díaz-Santos, Elitzur, Frogel, G. Perrin, Galliano, Gorjian, H. Röttgering, Hao, Hjelm, Horst, Houck, Huchra, Hönig, Jaffe, K. Meisenheimer, K. R. W. Tristram, Keel, Kemper, Kinney, Konigl, Krolik, Krolik, L. Burtscher, Lagage, Leinert, Lindblad, M. Wittkowski, Mattson, Meisenheimer, Miles, Minezaki, Nayakshin, Neugebauer, Neugebauer, Pedlar, Pier, Poncelet, Raban, Raban, Radomski, Risaliti, Roche, Rodríguez-Ardila, Rousset, S. Morel, Schartmann, Schartmann, Schmidt, Siebenmorgen, Silbermann, Soifer, Swain, Th. Henning, Theureau, Tristram, Türler, U. Graser, W. D. Cotton, W. Jaffe, Wada, Weedman, Wegner, Wilson, Wittkowski   +74 more
core   +3 more sources

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source

A Cu‐Based Near‐IR Active MOF with an Ion‐Pair Guest Exhibiting Versatile and Selective Gas‐Solid Reactivity

Advanced Materials, EarlyView.
The new Cu‐containing MOF (Me2NH2)(CuICl2)@[Cu4(INA)4Cl2O]·1.5dmf (3) contains a cation and an anion as guests and shows UV‐near‐mid‐IR absorption and near‐IR emission. MOF 3 shows gas‐solid reactivity in the presence of NH3 and HCOOH to yield two new 3D MOF.
Rajat Saha, Alejandro Cortés‐Villena, Silvia Gómez‐Coca, Alberto Fernández‐Alarcón, Joaquín Calbo, Raquel E. Galian, Enrique Ortí, Eliseo Ruiz, Mónica Giménez‐Marqués, Samia Benmansour, Carlos J. Gómez‐García   +10 more
wiley   +1 more source

3D Anodic Alumina Nanoarchitectures: A Decade of Progress from Foundational Science to Functional Metamaterials

Advanced Materials, EarlyView.
Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley   +1 more source

Polymorph‐Specific Electronic Transduction in WO3 during Molecular Sensing

Advanced Materials, EarlyView.
Metal‐oxide polymorphs with similar surface chemistry can nevertheless exhibit distinct sensing properties. In γ‐ and ε‐WO3, analyte adsorption appears comparable; yet, only ε‐WO3 induces a pronounced lattice electronic perturbation that accommodates charge in sub‐conduction band minimum states.
Matteo D'Andria, Meng Yin, Stefan Neuhauser, Vlasis G. Mavrantzas, Ying Chen, Ken Suzuki, Andreas T. Güntner   +6 more
wiley   +1 more source

A Colloidal Quantum Dot Thermistor and Bolometer

Advanced Materials, EarlyView.
This work introduces colloidal quantum dot thermistors employing a potential barrier structure to tune the activation energy of transport and hence the temperature coefficient of resistance (TCR). Upon integration with plasmonic absorbers, the CQD‐based bolometer device enables room‐temperature wavelength‐selective photodetection across the mid‐ to ...
Gaurav Kumar, Mariona Dalmases, Nima Taghipour, Rajesh Bera, Guy L. Whitworth, Goretti Torres Perez, Miguel Dosil, Gerasimos Konstantatos   +7 more
wiley   +1 more source

Large‐Area 2D Metasurface‐Based Triboelectric E‐Skin Arrays: Contact & Proximity Tactile Mapping with Broadband Acoustic Readouts

Advanced Materials, EarlyView.
Metasurface‐engineered NC‐TENG arrays integrate tactile pressure mapping, non‐contact gesture sensing, and acoustic signal readouts in one ultrathin module, and outperforms pristine PDMS in terms of electrical output and real‐time spatial mapping for next‐gen wearables.
Injamamul Arief, Swagato Sarkar, Anik Kumar Ghosh, Osvalds Verners, Kamal Kumar Meena, Su‐Hyeong Lee, Soosang Chae, Tobias A. F. König, Beate Krause, Andreas Fery, Mehmet Sait Özer, Anindya Nag, Amit Das   +12 more
wiley   +1 more source

Dispersion Analysis of Silver Thiogallate in a Broad Mid‐Infrared Range

Advanced Photonics Research
Nonlinear optical materials designed for mid‐infrared applications gain increasing interest in photonics and quantum‐optical research. However, many of these materials remain unexplored in the broad mid‐infrared range due to the limited availability of ...
Evgeniy S. Zatsepin, Artem S. Sabanin, Dmitriy V. Badikov, Sergei P. Kulik, Anna V. Paterova   +4 more
doaj   +1 more source

Enabling Chemical Holography: A Comprehensive Framework and Implementation

IEEE Photonics Journal
Mid-infrared spectroscopic imaging (MIRSI) enables the spatially-resolved identification of molecules and is widely used in fields ranging from biomedical diagnostics to forensics.
Shihao Ran, David Mayerich, Rohith Reddy
doaj   +1 more source

The mid-infrared diameter of W Hydrae

, 2011
Mid-infrared (8-13 microns) interferometric data of W Hya were obtained with MIDI/VLTI between April 2007 and September 2009, covering nearly three pulsation cycles. The spectrally dispersed visibility data of all 75 observations were analyzed by fitting
A. Quirrenbach, B. Lopez, Baschek, Bedding, Begemann, C. Leinert, Cotton, Cotton, de Beck, Egan, Fedele, Haniff, Hawkins, Hinkle, Hinkle, Hofmann, Hron, Höfner, Höfner, Höfner, Höfner, Imai, Ireland, Ireland, Ireland, Ireland, Ireland, Ireland, Jacob, Justtanont, Justtanont, Knapp, Koike, Lattanzi, Lebzelter, Lebzelter, Leinert, Leinert, Lorenz-Martins, Maercker, Marengo, Matsuura, Mennesson, Millan-Gabet, Miyoshi, Monnier, Muller, Nowotny, Ohnaka, Ohnaka, Ohnaka, Olofsson, Perrin, Perrin, Perryman, Pojmanski, Posch, R. Köhler, R. Zhao-Geisler, Reid, Reid, Riebel, Robinson, Scholz, Shintani, Sloan, Smith, Szymczak, Tatebe, Tej, Tsuji, Tuthill, Verhoelst, Vlemmings, Vlemmings, Weiner, Weiner, Wishnow, Wittkowski, Woitke, Woitke, Woodruff, Woodruff, Woodruff, Yamamura, Ziurys   +85 more
core   +1 more source