[Neutron] ORNL: Postdoctoral Research Associate, High Pressure Inelastic Neutron Scattering - Hydrogen Containing Materials

Levesque, Cerissa J. levesquecj at ornl.gov
Wed Apr 29 16:35:48 CEST 2015

Job Posting Title
Postdoctoral Research Associate, High Pressure Inelastic Neutron Scattering - Hydrogen Containing Materials / NB50462433

Posted Date

End Posting Date

The Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (ORNL) operates the High Flux Isotope Reactor (HFIR), the United States' highest flux reactor based neutron source, and the Spallation Neutron Source (SNS), the world's most intense pulsed accelerator based neutron source. Together these facilities operate 30 instruments for neutron scattering research, each year carrying out in excess of 1,000 experiments in the physical, chemical, materials, biological and medical sciences. HFIR also provides unique facilities for isotope production and neutron irradiation. To learn more about Neutron Sciences at ORNL go to: http://neutrons.ornl.gov.<http://neutrons.ornl.gov/>

The Chemical and Engineering Materials Division (CEMD) within NScD operates a wide variety of neutron scattering diffractometers (including a dedicated high pressure diffractometer), inelastic spectrometers, SANS and reflectometry instruments. Current areas of research include structural studies of hydrogen loaded systems under extreme pressure/temperature up to 100 GPa (1 Mbar). Other more general areas of research include, the structure and dynamics of electrical energy storage materials and systems, the performance of engineering materials under varying environments, fundamentals of structure under extreme pressure and/or temperature conditions, and the effects of processing conditions on material performance.

CEMD has an immediate opening for a postdoctoral research associate to work on a project to study the dynamics of hydrogen and hydrogen loaded systems under high pressure and possibly low temperature using inelastic neutron techniques. The successful candidate will work to closely with ORNL CEMD scientists to develop new high-pressure devices suitable for integration into existing neutron spectrometers, design experiments, analyze data and publication of the results. The experiments will include studies of dynamics, mainly of hydrogen containing materials in the quasielastic and vibrational regimes, in particular the VISION spectrometer.

Major Duties/Responsibilities

- Perform inelastic neutron scattering experiments and subsequent data analysis to study dynamical phenomena in systems under pressure (1 bar - 4.8 kbar).
- In close collaboration with the team, this person will develop and test new high-pressure devices suitable for inelastic neutron scattering with the objective to extend the available pressure range to possibly several 10's of GPa.
- Publish scientific papers resulting from this research and present results at appropriate national and international meetings.
- Ensure compliance with environment, safety, health and quality program requirements.
- Maintain strong commitment to the implementation and perpetuation of values and ethics.
- Physical requirements for this job include the use of hand and eye protection gear, kneeling, sitting for extended periods of

time, working with low temperature sample environment equipment, and possible exposure to ionization radiation normally
associated with operation of neutron scattering instruments for scientific research.
Qualifications Required

A Ph.D. in Physics, Applied Physics, Materials Science, Chemistry, or other related science fields is required. Applicants must have received their PhD within five years of this application and must complete all degree requirements before starting their appointment. Candidates should be self-motivated, have good interpersonal, communication and presentation skills and a demonstrated ability to interact effectively with staff at all levels. The ability to work as a member of a multi-disciplinary team is a critical asset.

Employment is contingent upon the results of a pre-employment physical exam and drug screen which must be administered and cleared before employment can begin.

Qualifications Desired
A strong background in hands-on experimental condensed matter physics, experimental chemistry, or experimental materials science, and a proven track record in neutron scattering or high pressure research would be a distinct advantage.

This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

We accept Word(.doc, .docx), Excel(.xls, .xlsx), PowerPoint(.ppt, .pptx), Adobe(.pdf), Rich Text Format(.rtf), HTML(.htm,
.hmtl) and text files(.txt) up to 2MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.

If you have trouble applying for a position, please email ORNLRecruiting at ornl.gov.<mailto:ORNLRecruiting at ornl.gov>

Notice:  If the position requires a Security Clearance, reviews and tests for the absence of any illegal drug as defined in 10
CFR 707.4 will be conducted by the employer and a background investigation by the Federal government may be required to obtain an access authorization prior to employment and subsequent reinvestigations may be required.

If the position is covered by the Counterintelligence Evaluation Program regulations at 10 CFR 709, a counterintelligence evaluation may include a counterintelligence-scope polygraph examination.

ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected
veterans, are encouraged to apply. UT-Battelle is an E-Verify Employer.

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