Publications (27)
H-ATLAS/GAMA: The nature and characteristics of optically red galaxies detected at submillimetre wavelengths
A. Dariush, S. Dib, S. Hony +39
We combine Herschel/SPIRE sub-millimeter (submm) observations with existing multi-wavelength data to investigate the characteristics of low redshift, optically red galaxies detecte…
Dust emission and star formation in Stephan's Quintet
G. Natale, R. J. Tuffs, C. K. Xu +11
We analyse a comprehensive set of MIR/FIR observations of Stephan's Quintet (SQ), taken with the Spitzer Space Observatory. Our study reveals the presence of a luminous (L_{IR}\app…
Pressure-induced phase transition and bandgap collapse in the wide-bandgap semiconductor InTaO4
D. Errandonea, C. Popescu, A. B. Garg +7
A pressure-induced phase transition, associated with an increase of the coordination number of In and Ta, is detected beyond 13 GPa in InTaO4 by combining synchrotron x-ray diffrac…
The Herschel ATLAS
S. Eales, L. Dunne, D. Clements +94
The Herschel ATLAS is the largest open-time key project that will be carried out on the Herschel Space Observatory. It will survey 510 square degrees of the extragalactic sky, four…
Ambient temperature high-pressure-induced ferroelectric phase transition in CaMnTiO
J. Ruiz-Fuertes, T. Bernert, D. Zimmer +7
The ferroelectric to paraelectric phase transition of multiferroic CaMnTiO has been investigated at high pressures and ambient temperature by second harmonic generation (SH…
Phase stability of lanthanum orthovanadate at high-pressure
D. Errandonea, J. Pellicer-Porres, D. MartÃnez-Garcia +7
When monoclinic monazite-type LaVO4 (space group P21/n) is squeezed up to 12 GPa at room temperature, a phase transition to another monoclinic phase has been found. The structure o…
Electronic structure and lattice dynamics of 1T-VSe: origin of the 3D-CDW
Josu Diego, D. Subires, A. H. Said +21
In order to characterize in detail the charge density wave (CDW) transition of 1-VSe, its electronic structure and lattice dynamics are comprehensively studied by means of x…
High-temperature and high-pressure study on columbite structured ZnNb2O6
A. Tyagi, P. Botella, A. B. Garg +6
High-temperature and high-pressure experiments were conducted on columbite-type ZnNb2O6, reaching temperatures up to 873 K at ambient pressure and pressures up to 30 GPa at ambient…
Exploring the high-pressure behavior of the three known polymorphs of BiPO4: Discovery of a new polymorph
D. Errandonea, O. Gomis, D. Santamaria-Perez +6
We have studied the structural behavior of bismuth phosphate under compression. We performed x-ray powder diffraction measurements up to 31.5 GPa and ab initio calculations. Experi…
Structural study of alfa-Bi2O3 under pressure
A. L. J. Pereira, D. Errandonea, A. Beltrán +8
An experimental and theoretical study of the structural properties of monoclinic bismuth oxide (alfa-Bi2O3) under high pressures is here reported. Both synthetic and mineral bismit…
ALMA observations of massive molecular gas reservoirs in dusty early-type galaxies
A. E. Sansom, D. H. W. Glass, G. J. Bendo +9
Unresolved gas and dust observations show a surprising diversity in the amount of interstellar matter in early-type galaxies. Using ALMA observations we resolve the ISM in z0…
High-pressure high-temperature phase diagram of zinc
D. Errandonea, S. G. MacLeod, J. Ruiz-Fuertes +6
The phase diagram of Zn has been explored up to 140 GPa and 6000 K, by combining optical observations, x-ray diffraction, and ab-initio calculations. In the pressure range covered…
Herschel-ATLAS: Rapid evolution of dust in galaxies in the last 5 billion years
L. Dunne, H. Gomez, E. da Cunha +38
We present the first direct and unbiased measurement of the evolution of the dust mass function of galaxies over the past 5 billion years of cosmic history using data from the Scie…
Comparative study of the high-pressure behavior of ZnV2O6, Zn2V2O7, and Zn3V2O8
D. Diaz-Anichtchenko, D. Santamaria-Perez, T. Marqueno +7
We report a study of the high-pressure structural behavior of ZnV2O6, Zn2V2O7, and Zn3V2O8, which has been explored by means of synchrotron powder x-ray diffraction. We found that…
Herschel-ATLAS: Dust temperature and redshift distribution of SPIRE and PACS detected sources using submillimetre colours
A. Amblard, A. Cooray, P. Serra +69
We present colour-colour diagrams of detected sources in the Herschel-ATLAS Science Demonstration Field from 100 to 500 microns using both PACS and SPIRE. We fit isothermal modifie…
High-pressure structural behaviour of HoVO4: Combined XRD experiments and ab initio calculations
Alka B. Garg, D. Errandonea, P. Rodriguez-Hernandez +3
We report a high-pressure experimental and theoretical investigation of the structural properties of zircon-type HoVO4. Angle-dispersive x-ray diffraction measurements were carried…
The Detection of a Population of Submillimeter-Bright, Strongly-Lensed Galaxies
Mattia Negrello, R. Hopwood, G. De Zotti +86
Gravitational lensing is a powerful astrophysical and cosmological probe and is particularly valuable at submillimeter wavelengths for the study of the statistical and individual p…
Modeling the dust Spectral Energy Distribution of NGC 4214
I. Hermelo, U. Lisenfeld, M. Relano +4
We have carried out a detailed modeling of the dust Spectral Energy Distribution (SED) of the nearby, starbursting dwarf galaxy NGC 4214. A key point of our modeling is that we dis…
High-Pressure XRD Study of Ti-3Al-2.5V Titanium Alloy: Intermediate Transition Pressure and Composition Trends in Ti-Al-V Alloys
D. Errandonea, R. Turnbull, P. Botella +3
High-pressure X-ray diffraction experiments were performed on Ti-Al-V alloys to investigate the effect of composition on structural stability, focusing on Ti-3Al-2.5V and comparing…
Dust in dwarf galaxies: The case of NGC 4214
U. Lisenfeld, I. Hermelo, M. Relano +4
We have carried out a detailed modelling of the dust heating and emission in the nearby, starbursting dwarf galaxy NGC 4214. Due to its proximity and the great wealth of data from…
Thallium under extreme compression
C. Cazorla, S. G. MacLeod, D. Errandonea +3
We present a combined theoretical and experimental study of the high-pressure behavior of thallium. X-ray diffraction experiments have been carried out at room temperature up to 12…
Pressure-induced decomposition of Bi14WO24
E. Karaca, D. Santamaria-Perez, A. Otero-de-la-Roza +5
We present a study of the high-pressure behaviour Bi14WO24, a high oxide ion conductor member of the Bi2O3-WO3 binary system. The tetragonal polymorph of Bi14WO24 was studied under…
Structural and vibrational study of Zn(IO3)2 combining high-pressure experiments and density-functional theory
A. Liang, C. Popescu, F. J. Manjon +4
We report a characterization of the high-pressure behavior of zinc-iodate, Zn(IO3)2. By the combination of x-ray diffraction, Raman spectroscopy, and first-principles calculations…
The Herschel-ATLAS: Evolution of the 250um luminosity function out to z=0.5
S. Dye, L. Dunne, S. Eales +65
We have determined the luminosity function of 250um-selected galaxies detected in the ~14 sq.deg science demonstration region of the Herschel-ATLAS project out to a redshift of z=0…
Pressure-induced hypercoordination of iodine and dimerization of I2O6H in strontium di-iodate hydrogen-iodate (Sr(IO3)2HIO3)
D. Errandonea, H. Osman, R. Turnbull +8
In this work, we report evidence of pressure-induced changes in the crystal structure of Sr(IO3)2HIO3 connected to changes the coordination of the iodine atom and the of the config…
Mechanical softening and enhanced elasticity of lunar olivine probed via nanoindentation and high-pressure X-ray diffraction measurements
P. Grèbol-Tomà s, J. Ibáñez-Insa, J. M. Trigo-RodrÃguez +10
The mechanical properties of minerals in planetary materials are not only interesting from a fundamental point of view but also critical to the development of future space missions…
Orpiment under compression: metavalent bonding at high pressure
V. P. Cuenca-Gotor, J. A. Sans, O. Gomis +9
We report a joint experimental and theoretical study of the structural, vibrational, and electronic properties of layered monoclinic arsenic sulfide (alpha-As2S3), aka mineral orpi…