55 research outputs found
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Consumer Preferences and Willingness to Pay for Advanced Vehicle Technology Options and Fuel Types
At the time of publication J. Shin and C.R. Bhat were at the University of Texas at Ausitn. V.M. Garikapati and D. You at Arizona State University, and R.M. Pendyala at Georgia Institute of Technology.The automotive industry is witnessing a revolution with the advent of advanced vehicular
technologies, smart vehicle options, and fuel alternatives. However, there is very limited research
on consumer preferences for these types of vehicles. But the deployment and penetration of
advanced vehicular technologies in the marketplace, and planning for possible market adoption
scenarios, calls for collection and analysis of consumer preference data related to these emerging
technologies. This study aims to address this gap, offering a detailed analysis of consumer
preference for alternative fuel types and technology options using data collected in choice
experiments conducted on a sample of consumers in South Korea. The results indicate that there
is considerable heterogeneity in consumer preferences for various smart technology options such
as wireless internet, vehicle connectivity, and voice command features, but relatively little
heterogeneity in the preference for smart vehicle applications such as real-time traveler
information on parking and traffic conditions.Civil, Architectural, and Environmental Engineerin
Real-time observation of X-ray-induced intramolecular and interatomic electronic decay in CH2I2
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Evidence for Efficient Pathway to Produce Slow Electrons by Ground-state Dication in Clusters
We present an experimental evidence for a so-far unobserved, but potentially very important step relaxation cascades following inner-shell ionization of a composite system: Multiply charged ionic states created after Auger decay may be neutralized by electron transfer from a neighboring species, producing at the same time a low-energy free electron. This electron transfer-mediated decay (ETMD) called process is effective even after Auger decay into the dicationic ground state. Here, we report the ETMD of Ne2+ produced after Ne 1s photoionization in Ne-Kr mixed clusters
Photo-ionization and fragmentation of Sc3N@C80 following excitation above the Sc K-edge
We have investigated the ionization and fragmentation of a metallo-endohedral fullerene, Sc3N@C80, using ultrashort (10 fs) x-ray pulses. Following selective ionization of a Sc (1s) electron (hν = 4.55 keV), an Auger cascade leads predominantly to either a vibrationally cold multiply charged parent molecule or multifragmentation of the carbon cage following a phase transition. In contrast to previous studies, no intermediate regime of C2 evaporation from the carbon cage is observed. A time-delayed, hard x-ray pulse (hν = 5.0 keV) was used to attempt to probe the electron transfer dynamics between the encapsulated Sc species and the carbon cage. A small but significant change in the intensity of Sc-containing fragment ions and coincidence counts for a delay of 100 fs compared to 0 fs, as well as an increase in the yield of small carbon fragment ions, may be indicative of incomplete charge transfer from the carbon cage on the sub-100 fs time scale
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