[Neutron] ORNL: Postdoctoral Research Associate in Neutron Scattering and Data Analysis / NB50603622

Davidson, Lauren davidsonld at ornl.gov
Thu Nov 17 14:18:37 CET 2016

ORNL Publications
External Publication

Job Posting Title
Postdoctoral Research Associate in Neutron Scattering and Data Analysis / NB50603622

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. The Computing and Computational Sciences Directorate (CCSD) in ORNL is home to some of the world's most
advanced supercomputing. To learn more about Neutron Sciences at ORNL go to: http://neutrons.ornl.gov.

The Quantum Condensed Matter Division (QCMD) https://neutrons.ornl.gov/qcmd in the Neutron Sciences Division (NScD)
at ORNL operates 13 instruments for elastic and inelastic neutron scattering studies of materials including the Magnetism
Reflectometer. Instruments are located at both HFIR and SNS. QCMD conducts research on materials with emergent
properties that are manifestly quantum in origin. Some examples of current interest include superconductivity, toplogical
insulators, low dimensional magnetism, nanocomposite and mesoscale magnetic materials.

Quantum Condensed Matter Division (QCMD) has an immediate opening for an outstanding candidate for a postdoctoral
position with a strong background in Physics and with skills in computer/computational science to be involved in development
of highly optimized software tools for the analysis and modeling of Grazing Incidence Neutron Scattering at the Spallation
Neutron Source of the interface driven properties of complex heterostructures.

This position will be located in in the Thin Films and Nanostructures Group of the Quantum Condensed Matter Division (TFN
QCMD) and benefits from strong interactions with the Center for Nanophase Materials Sciences (CNMS) and Computing and
Computational Sciences Directorate (CCSD) at ORNL and will comprise a diverse spectrum of nanoscience activities.
Neutron Reflectometry at the SNS is used to investigate thin film heterostructures which exhibit unusual physical properties
that are important for science and technology and represent recent key innovations. The availability of high performance
polarized and unpolarized neutron reflectometry is vital for understanding properties in the systems that include: (i) innovative
new generation of heterostructures based on integrating topological insulators with conventional materials to induce
ferromagnetic interactions with symmetry breaking at the interface ; (ii) multifunctional oxide heterostructures with unusual
physical properties important from both the fundamental and device application viewpoints; (iii) spintronic devices using
magnetic tunnel junction with a perpendicular magnetic anisotropy, (iv) tunnel barriers in hybrid organic/metallic spin-valve
structures; and (v) structural characteristics of active layers in organic photovoltaic devices.

The successful candidate will conduct scientific research using exceptional experimental capability and will be engaged in
development of highly optimized software tools for the analysis and modeling of Grazing Incidence Neutron Scattering
(GINS) at the Spallation Neutron Source of the interface driven properties of complex heterostructures. Full training will be
given in all aspects of neutron reflectometry including beamline operation, data acquisition, processing and modeling.

Major Duties/Responsibilities
* Conduct research on a mutually agreed topic in magnetic thin films and nano-structures using the Magnetism
Reflectometer and other instruments as appropriate and to publish scientific papers resulting from this research and present
results at appropriate national and international meetings.
* The successful candidate will be part of the Thin Films and Nanostructures group in the Quantum Condensed Matter
Division at ORNL and will be expected to take part in all group activities, which include seminars and monthly 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, extensive work at chemical laboratories, and possible exposure to ionizing radiation normally associated with operation
of neutron scattering instruments for scientific research.

Qualifications Required
Applicants must hold a Ph.D. in physics, chemistry, chemical engineering, materials science or a related discipline from an
accredited institution. Candidates must be self-motivated and have good interpersonal, communication and presentational
skills. The date of application must be within 5 years of the most recent degree, and all degree requirements must be
complete before starting the appointment. Certain exceptions may be considered. This position is a temporary, full-time
assignment of 24 months months with a possibility of an extension of up to 12 months depending on the funding situation.
Initial appointments and extensions are subject to performance and availability of funding.

Qualifications Desired
Previous experience with neutron or x-ray reflectometry is desirable as well as experience in programming languages such
as C/C++/Fortran, Python.

Work Directions and Interfaces
Reports to Valeria Lauter. Will interface with the MR instrument team, Software scientists.

Questions about the position may be directed to Valeria Lauter (lauterv at ornl.gov<mailto:lauterv at ornl.gov>)

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

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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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