Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Wolfgang Christen"'
Autor:
Wolfgang Christen
Publikováno v:
Zeitschrift für Physikalische Chemie. 228:369-385
Pulsed, supersonic beams of propane have been investigated by mass-resolved time-of-flight measurements as a function of source pressure, covering sub- and supercritical expansion conditions. The experimental observation of a pronounced change in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80cc78422aeb4811c9e24cdad9f2aee3
https://doi.org/10.1515/zpch-2014-0456
https://doi.org/10.1515/zpch-2014-0456
Publikováno v:
Zeitschrift für Physikalische Chemie. 228:437-448
Experimental results for the hypersonic impact of singly charged, mass selected, water clusters at a hard surface demonstrate cooling of the heated cluster by sequential loss of a water molecule. The trends in the experiment are most simply summarize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::deb4340f932d5ebfb501f87b77af791b
https://doi.org/10.1515/zpch-2014-0444
https://doi.org/10.1515/zpch-2014-0444
Autor:
Robert Fenger, Anne Simo, Franziska Emmerling, Klaus Rademann, Wolfgang Christen, Adnan Sarfraz, Ulrich Panne
Publikováno v:
Crystal Growth & Design. 12:583-588
A systematic crystal morphology study on the pharmaceutical model compound caffeine has been conducted on different surfaces: silicon, silver, soda lime glass, and silver subsurface ion-exchanged soda-lime silicate (SIMO) glasses. The morphology of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6cb9344d9d3e9b4631fe8f43d7c6662
https://doi.org/10.1021/cg101358q
https://doi.org/10.1021/cg101358q
Publikováno v:
International Journal of Mass Spectrometry. 277:305-308
The dissolution of molecules of biological interest in supercritical carbon dioxide is investigated using pulsed molecular beam mass spectrometry. Due to the mild processing temperatures of most supercritical fluids, their adiabatic expansion into va
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62b18f0b3ae5687b6cd2b284775a8828
https://doi.org/10.1016/j.ijms.2008.04.029
https://doi.org/10.1016/j.ijms.2008.04.029
Publikováno v:
The Journal of Physical Chemistry C. 111:4774-4779
The reaction of Ru(10−10) with oxygen has been investigated under high-pressure conditions (≤1 bar) with thermal desorption spectroscopy (TDS), low electron energy diffraction (LEED), X-ray photoelectron spectroscopy (XPS), and measurements of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e635603a4ffcd5eec087f19e4649aee8
https://doi.org/10.1021/jp0677602
https://doi.org/10.1021/jp0677602
Publikováno v:
The Journal of Physical Chemistry B. 110:13912-13919
Smooth and defect-rich Ru(0001) surfaces prepared under ultrahigh-vacuum (UHV) conditions have been loaded with oxygen under high-pressure (p/= 1 bar) and low-temperature (T550 K) conditions. On these surfaces the CO oxidation reaction has been inves
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef2e1797b424403b07b39aba7776daf9
https://doi.org/10.1021/jp061937a
https://doi.org/10.1021/jp061937a
Autor:
U. Even, Wolfgang Christen
Publikováno v:
The European Physical Journal D - Atomic, Molecular and Optical Physics. 24:283-286
Size-selected, protonated water cluster cations (H2O)nH+, 4 ≤ n ≤ 32, are scattered at normal incidence from the surface of a diamond-coated silicon wafer at collision energies 0 ≤ Ecoll ≤ 500 eV. The size distribution of collision-induced fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8de0bd1d101d4bd5a295cf8fe078e23f
https://doi.org/10.1140/epjd/e2003-00160-3
https://doi.org/10.1140/epjd/e2003-00160-3
Autor:
Uzi Even, Wolfgang Christen
Publikováno v:
The European Physical Journal D. 16:87-90
This contribution addresses the inelastic interaction of positively charged molecular cluster ions with a solid surface at kinetic energies up to 30 eV/molecule. We report experimental results on the scattering of mass-selected, protonated methanol c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95d7e9da3a054299d97c6b30da690fb9
https://doi.org/10.1007/s100530170066
https://doi.org/10.1007/s100530170066
Autor:
Wolfgang Christen, U. Even
Publikováno v:
The European Physical Journal D. 9:29-34
This contribution addresses the reactive scattering of iodomethane cluster anions off a diamond-coated silicon surface in the kinetic energy range of 1–100 eV/molecule. We report the experimental result of an impact-induced and cluster-specific che
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa364a6e4130cdfffc934fc062fe1e9f
https://doi.org/10.1007/s100530050394
https://doi.org/10.1007/s100530050394
Publikováno v:
The Journal of Chemical Physics. 108:10262-10273
Measurements of the collisional energy transfer of size and energy-selected ammonia cluster ions (NH3)nH+, n=1–10, impacting a silicon wafer coated with p-type diamond film are reported. The transfer from translational energy of the incident cluste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::606e2449aa4367cfc4139a734f3c11a9
https://doi.org/10.1063/1.476487
https://doi.org/10.1063/1.476487