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[交流] Two Post-doc Positions in Molecular Spectroscopy 已有1人参与

Two post-doctoral positions in experimental and theoretical molecular spectroscopy are available in the research groups of Prof. Jinjun Liu at the University of Louisville (UofL) and Prof. Terry A. Miller at the Ohio State University (OSU), respectively.

1. Post-doc position at UofL:
The first position is presently available in the laboratory of Dr. Jinjun Liu (https://louisville.edu/chemistry/directory/faculty/jinjun-liu) in the Department of Chemistry at the University of Louisville. The research involves implementation of cavity ring-down spectroscopy (CRDS) of free radicals with significance in atmospheric chemistry and in combustion. The high-resolution spectroscopy lab in the Liu Group is equipped with YAG lasers, excimer lasers, pulsed dye lasers, tunable continuous-wave laser (both dye and Ti:Sapphire), and laser amplifiers. It currently has a room-temperature dual-wavelength CRDS system, a slit-nozzle jet-cooled CRDS system, as well as a laser-induced fluorescence/dispersed fluorescence spectroscopy apparatus for investigation of free radicals produced by laser photolysis, laser ablation, discharge, or pyrolysis. The experimental works in the lab are supplemented by extensive computational and theoretical works to provide supporting information from electronic structure calculations, to simulate the experimentally obtained spectra with vibronic and rotational resolution, and to give the physical interpretation of the spectroscopic results. Close collaboration with the research group of Prof. Miller at OSU is expected (vide infra). The first target molecules include the nitrate radical (NO3) with emphasis on magnetic dipole transitions, the methoxymethyl peroxy radical (CH3OCH2OO), and hydroperoxyalkyl (QOOH) radicals.

Well qualified candidates with knowledge and experience in experimental molecular spectroscopy are invited to apply directly to Dr. Liu (j.liu@louisville.edu). Please send a CV including research experience, list of publications, and two potential references. Previous hands-on experience in laser systems, optics, vacuum, detection and data acquisition, and laser spectroscopy techniques is necessary. Preference is given to candidates with experience of jet-cooled CRDS. Knowledge and experience in computational chemistry, spectroscopic modelling, and instrumental programming (LabVIEW) is a plus.

The initial contract is for one year, renewable for a second year based on performance. Salary is commensurate with experience and qualifications.

2. Post-doc position at OSU:
The post-doctoral position at Ohio State University will focus on the development of new spectroscopic models with applications to free radical spectra, both ones already obtained at OSU and ones to be recorded at the University of Louisville. The focus will be on spectral effects caused by the breakdown of the Born-Oppenheimer (BO) approximation due to coupling of the rotational, vibration, and electronic degrees of freedom. Such interactions frequently are observed in the spectral of free radicals, particularly ones that exhibit Jahn-Teller or pseudo-Jahn-Teller effects, e.g. NO3, CH3O, CH2DO, (CH3)2CHO, etc. These developments will be incorporated in the existing software programs, SOCJT2 and SpecView for the analysis of vibronic and rovibronic spectra, respectively. Additional areas where BO breakdown may be important include strong-field imaging of radical cations like CH3X+(X=F, Cl, Br, I). Collaboration with the ongoing work in L. DiMauro atto-second lab will provide close interaction between theory and experiment. An opportunity will also be available to participate in the on-going CRD spectroscopy at OSU of free radicals in plasma environments.

Well qualified candidates with knowledge and experience in theoretical (experimental experience a plus) molecular spectroscopy are invited to apply directly to Dr. Terry A. Miller (miller.104@osu.edu). Please send a CV including research experience, list of publications, and two potential references. Knowledge and experience in electronic structure calculations, spectroscopic modelling and programming are necessary.

The initial appointment is for one year, renewable for a second year based on performance and mutual agreement. Salary is commensurate with experience and qualifications.

For questions and applications, please contact:
Prof. Terry A. Miller (miller.104@osu.edu);
Prof. Jinjun Liu (j.liu@louisville.edu).

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