RAP opportunity at National Institute of Standards and Technology NIST
Structure and Dynamics of Ferroelectric and Relaxor Materials Studied with Neutron Scattering
Location
NIST Center for Neutron Research
| opportunity |
location |
|
| 50.61.01.B8035 |
Gaithersburg, MD |
NIST only participates in the February and August reviews.
Advisers
| name |
email |
phone |
|
| Peter M. Gehring |
peter.gehring@nist.gov |
301 975-3946 |
Description
Advanced neutron scattering methods are being used to measure the structure and lattice dynamics of a wide variety of ferroelectric and relaxor ferroelectric materials. Current interest focuses on the lead-free perovskites NBT, KLT, and KTN in addition to the lead-based perovskites PZT, PMN-xPT, and PZN-xPT, which exhibit exceptional piezoelectric properties. The nature of the static diffuse scattering arising from short-range polar correlations in relaxor systems is a topic of special interest. The effect of an applied electric field on the structural phase transitions and the diffuse scattering is also being studied to clarify the as-yet unknown polar nanostructure in these materials.
key words
Ferroelectrics; Relaxors; Morphotropic phase boundary; Diffuse scattering; Lattice dynamics; Soft modes; Neutron scattering; Polar nanoregions;
Eligibility
Citizenship:
Open to U.S. citizens
Level:
Open to Postdoctoral applicants
Stipend
| Base Stipend |
Travel Allotment |
Supplementation |
|
| $82,764.00 |
$3,000.00 |
|
|