TY - JOUR

T1 - High-temperature mass spectrometric determinations of relative ionization cross-sections of gaseous TiO, TiO2, VO, VO2, YO, HfO and GeO molecules

AU - Лопатин, Сергей Игоревич

AU - Шугуров, Сергей Михайлович

AU - Емельянова, Ксения Александровна

PY - 2013

Y1 - 2013

N2 - Rationale Accurate values of electron ionization cross-sections of high-temperature vapor species are of importance in mass spectrometric investigations as well as in a variety of other fields. However, the present experimental techniques are subject to many inherent difficulties or are limited in applicability and so far have yielded relatively few reliable values. Theoretical calculations are not sufficiently accurate. So the need for experimental ionization cross-section data for these species is very important. Methods Measurements were performed by high-temperature Knudsen effusion mass spectrometry with a MS-1301 mass spectrometer. Vaporization was carried out using molybdenum effusion cells containing samples of pure Au, V 2O3, Ti3O5, GeO2 and Y2O3-HfO2 systems. RESULTS The VO, VO 2, TiO, TiO2, YO, HfO and GeO vapor species were identified over the samples studied. The partial pressures of Au and the oxides were measured by a complete isothermal vaporization method. The relative ionization cross-sectio

AB - Rationale Accurate values of electron ionization cross-sections of high-temperature vapor species are of importance in mass spectrometric investigations as well as in a variety of other fields. However, the present experimental techniques are subject to many inherent difficulties or are limited in applicability and so far have yielded relatively few reliable values. Theoretical calculations are not sufficiently accurate. So the need for experimental ionization cross-section data for these species is very important. Methods Measurements were performed by high-temperature Knudsen effusion mass spectrometry with a MS-1301 mass spectrometer. Vaporization was carried out using molybdenum effusion cells containing samples of pure Au, V 2O3, Ti3O5, GeO2 and Y2O3-HfO2 systems. RESULTS The VO, VO 2, TiO, TiO2, YO, HfO and GeO vapor species were identified over the samples studied. The partial pressures of Au and the oxides were measured by a complete isothermal vaporization method. The relative ionization cross-sectio

U2 - 10.1002/rcm.6702

DO - 10.1002/rcm.6702

M3 - Article

VL - 27

SP - 2338

EP - 2342

JO - Rapid Communications in Mass Spectrometry

JF - Rapid Communications in Mass Spectrometry

SN - 0951-4198

IS - 21

ER -