PhD Project title: Titanium isotope cosmochemistry.
PhD supervisors: Prof Maria Schönbächler, Prof Ian Lyon, Dr Karen Theis
The project involves tracing Titanium isotope heterogeneities within a wide range of solar system materials. Titanium is an iron group element which forms highly refractory minerals within solar system material. By analysing the 5 stable isotopes of titanium we are able to determine the stellar sources of the isotope heterogeneities found within extra-terrestrial material.
Solar system materials are first dissolved using a mixture of acids so that complete sample dissolution is achieved. Elements within the samples are then chemically separated using ion chromatography techniques to obtain pure Titanium fractions. Analysis of the purified material is conducted using a Nu plasma MC-ICPMS and Neptune Finnigan MC-ICPMS.
ABSOLUTE AND MASS-DEPENDENT TITANIUM ISOTOPE COMPOSITIONS OF SOLAR SYSTEM MATERIALS. N. H. Williams, M. A. Fehr, W. M. Akram, I. J. Parkinson, M. Schönbächler 76th Annual Meeting of the Meteoritical Society (2013), Abstract #5174
POTENTIAL NUCLEOSYNTHETIC SOURCES OF THE TITANIUM ISOTOPE VARIATIONS IN SOLAR SYSTEM MATERIALS. N. H. Williams, M. A. Fehr, W. M. Akram, I. J. Parkinson, M. Schönbächler 75th Annual Meeting of the Meteoritical Society (2012), Abstract #5209
POTENTIAL RELATIONSHIP BETWEEN TITANIUM AND ZIRCONIUM ISOTOPE HETEROGENEITIES WITHIN SOLAR SYSTEM MATERIALS. N. H. Williams, W. M. Akram and M. Schönbächler 74th Annual Meteoritical Society Meeting (2011), Abstract #5253
- Solar physics workshop-Ysgol Nant y Coed - March 2011
- Nucleosynthesis presentation- Bacup & Rawenstall School-September 2011
- Solar system materials workshop-Ysgol Nant y Coed- April 2012
- Guided geological walk of Cwm Idwal for Discover Gwynedd initiative- August 2012
- Stargazing Live event- Tatton Hall- November 2012
- Saturday Science- MOSI Manchester- November 2013
Graduate teaching assistant:
- geophysical techniques
- global tectonics