Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Augusto M.C. Moutinho"'
Combined Experimental and Theoretical Studies on Electron Transfer in Potassium Collisions with CCl4
Autor:
T. Cunha, A. I. Lozano, G. García, Paulo Limão-Vieira, Sarvesh Kumar, Pedro Pereira, M. Mendes, Marie-Christine Bacchus-Montabonel, Khrystyna Regeta, Augusto M.C. Moutinho
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
Journal of Physical Chemistry A
Journal of Physical Chemistry A, American Chemical Society, 2020, 124 (16), pp.3220-3227. ⟨10.1021/acs.jpca.0c02076⟩
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
instname
Journal of Physical Chemistry A
Journal of Physical Chemistry A, American Chemical Society, 2020, 124 (16), pp.3220-3227. ⟨10.1021/acs.jpca.0c02076⟩
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
8 pags., 5 figs.
Negative ion formation in electron transfer experiments from fast neutral potassium (K) atom collisions with neutral tetrachloromethane (CCl) molecules has been investigated in the laboratory frame range of 8-1000 eV. Comprehens
Negative ion formation in electron transfer experiments from fast neutral potassium (K) atom collisions with neutral tetrachloromethane (CCl) molecules has been investigated in the laboratory frame range of 8-1000 eV. Comprehens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f4c65ab655f47d7d0bb65d8f09218fe
http://hdl.handle.net/10261/224199
http://hdl.handle.net/10261/224199
Autor:
S. F. Belykh, Alexander Tolstogouzov, D. V. Suvorov, R. Schwarz, R. Ayouchi, Fábio Fernandes, Hugo Águas, Gennady P. Gololobov, Augusto M.C. Moutinho, Orlando M. N. D. Teodoro
Publikováno v:
Vacuum. 131:252-258
A point-like silver ion source with thin film of RbAg 4 I 5 solid electrolyte was developed for application in field emission electric propulsion systems. The solid electrolyte produced by mechano-chemical synthesis was deposited on the apex of a sil
Publikováno v:
Vacuum. 109:397-400
In this work we apply common vacuum technology approaches to study the permeation of gases trough cork. A mass spectrometer leak detector was used to directly measure the helium flow through the central area of small cork discs. The permeability for
Autor:
Nenad Bundaleski, Stefano Caporali, S.P. Chenakin, Augusto M.C. Moutinho, Orlando M. N. D. Teodoro, Alexander Tolstogouzov
Publikováno v:
International Journal of Mass Spectrometry. 353:19-25
An upgraded TOF-SIMS VG Ionex IX23LS was used to study the fragmentation patterns of a series of asymmetric imidazolium ionic liquids [Cnmim][Tf2N], where n = 2, 4, 6, and 8, under bombardment by Ga+ ions with energies of 10–20 keV. Analysis of pos
Autor:
C. A. A. Ghumman, Orlando M. N. D. Teodoro, Adérito Santos, Augusto M.C. Moutinho, Alexander Tolstogouzov
Publikováno v:
Surface and Interface Analysis. 45:532-536
TOF-SIMS VG Ionex IX23LS with upgraded data acquisition and control system was used to study the real urinary stones along with calcium oxalate (COX) and four different calcium phosphate (CP) references. Reliable phase identification of CPs was achie
Autor:
André Santos, Augusto M.C. Moutinho, Alexander Tolstogouzov, Orlando M. N. D. Teodoro, C. A. A. Ghumman
Publikováno v:
Journal of Mass Spectrometry. 47:547-551
Two different human stones, cystine and cholesterol from the kidney and gall bladder, were examined by time-of-flight secondary ion mass spectrometry using Ga+ primary ions as bombarding particles. The mass spectra of kidney stone were compared with
Publikováno v:
Applied Surface Science. 258:2006-2009
Water adsorption dynamics on two TiO2 (1 1 0) rutile surfaces at room temperature has been investigated using the work function (WF) change as a function of time. The first surface was prepared in a standard way using sputtering/annealing cycles, whe
Autor:
Valentina Vassilenko, Augusto M.C. Moutinho, C. Amjad A. Ghumman, Olga M. T. Carreira, Orlando M. N. D. Teodoro, Alexander Tolstogouzov
Publikováno v:
Rapid Communications in Mass Spectrometry. 24:185-190
Time-of-flight secondary ion mass spectrometry was used to study four human calculi and to compare the results with those from twelve commercially available urinary calculi minerals including three organic compounds (L-cystine, uric acid and sodium u
Publikováno v:
Applied Surface Science. 255:7389-7393
In surface science, rutile TiO 2 continues to be one of the most studied surfaces and in the catalysis field numerous groups study how adsorbates interact with this surface. All groups face the difficult problem of reproducibility due to surface prep
Autor:
Augusto M.C. Moutinho, Carlos Marques, R. Ayouchi, Orlando M. N. D. Teodoro, R. Schwarz, Eduardo Alves, O. Conde, C. Casteleiro, L. Bentes, H.P. Marques
Publikováno v:
Applied Surface Science. 255:5917-5921
We have studied the properties of ZnO thin films grown by laser ablation of ZnO targets on (0 0 0 1) sapphire (Al2O3), under substrate temperatures around 400 °C. The films were characterized by different methods including X-ray photoelectron spectr