Dr Andrew Studer
Role at ANSTO
Dr Andrew Studer is a research scientist with the Bragg Institute at ANSTO. He is an instrument scientist for the "Wombat" High Intensity Powder Diffractometer. He assists and collaborates with visiting scientists, works with the sample environment team in commissioning new equipment for Wombat, and is responsible for improving and expanding the capabilities of the instrument. He collaborates with visiting scientists whose interests include:
- high speed stroboscopic studies of piezoelectric materials
- materials under high hydrostatic, uniaxial or hydrothermal pressures
- structural studies of novel rare earth magnetic materials
- diffuse scattering and disordered materials
He is corrently working with a team at the Bragg Institute to add polarisation capabilities to Wombat, and to expand its capabilities for single crystal measurements as a complement to Koala and Taipan.
Qualifications and Achievements
Dr Studer was the instrument scientist responsible for completing and commissioning Wombat. Dr Studer came to ANSTO after completing a PhD degree at the University of Sydney (1996), using time resolved interferometry to measure spectral line profiles in pulsed vacuum arcs. His previous work at ANSTO was as instrument scientist for the Medium Resolution Powder Diffractometer (MRPD) at HIFAR, assisting visitors (mainly carrying out AINSE-supported university research) and ANSTO researchers.
Papers from Wombat
Hugh Simons, John Daniels, Wook Jo, Robert Dittmer, Andrew Studer, Maxim Avdeev, Jurgen Rodel, and Mark Hoffman, Electric-field-induced strain mechanisms in lead-free 94%(Bi0.5Na0.5)TiO3-6%BaTiO3, Appl. Phys. Lett. 98, 082901 (2011)
Neeraj Sharma, Vanessa K. Peterson, Margaret M. Elcombe, Maxim Avdeev, Andrew J. Studer, Ned Blagojevic, Rozila Yusoff and Norlida Kamarulzaman, Structural changes in a commercial lithium-ion battery during electrochemical cycling: An in situ neutron diffraction study, Journal of Power Sources 195 (2010) 8258 8266
Fang Xia, Gujie Qian, Joel Brugger, Andrew Studer, Scott Olsen and Allan Pring, A large volume cell for in situ neutron diffraction studies of hydrothermal crystallizations, Rev. Sci. Inst., 81 (2010) 105107
T. Schmoelzer. K.-D. Liss, G. A. Zickler, I. J. Watson, L. M. Droessler, W. Wallgram, T. Buslaps, A. J. Studer and H. Clemens, Phase fractions, transition and ordering temperatures in TiAl-Nb-Mo alloys: an in- and ex-situ study, Intermetallics, 18 (2010) 1544-1552
W. K. Pang, I. M. Low, B. H. OConnor, A. J. Studer, V. K. Peterson and J.-P. Palmquist, Effect of vacuum annealing on the thermal stability of Ti3SiC2/TiC/TiSi2 composites, J. Aust. Ceram. Soc. 45, 72-77 (2009).
J. L. Wang, S. J. Campbell, A. J. Studer, M. Avdeev, R. Zeng and S.X. Dou, Magnetic Phase Transitions in Pr1-xLuxMn2Ge2 Compounds, J. Phys.: Condens. Matter 21, 124217 (2009) (1st magnetic diffraction paper from OPAL)
R. E. Whitfield, D. J. Goossens and A. J. Studer, "Study of Phase Formation in Metal Injection Moulding through Real-Time Neutron Diffraction", Journal of Physics: Conference Series , in press (2009).
W. K. Pang, I. M. Low, B. H. O'Connor, A. J. Studer, V. K. Peterson, Z. M. Sun and J. -P. Palmquist, Comparison of thermal stability in MAX 211 and 312 phases, Journal of Physics: Conference Series, in press (2009).
A. Pramanick, A. D. Prewitt, M. A. Cottrell, W. Lee, A. J. Studer, K. An, C. R. Hubbard and J. L. Jones, In-situ neutron diffraction studies of a commercial, soft lead zirconate titanate ceramic: Response to electric fields and mechanical stress, Applied Physics A: Materials Science and Processing, in press (2009).
J. M. Hudspeth, D. J. Goossens, A. J. Studer, R. L. Withers, and L. Noren, The crystal and magnetic structures of LaCa2Fe3O8 and NdCa2Fe3O8, J. Phys.-Condes. Matter, 21(12), Art. No. 124206 (2009).
Papers from MRPD at HIFAR
S. Pojprapai (Imlao), J. L. Jones, A. J. Studer, J. Russell, N. Valanoor, and M. Hoffman, Ferroelastic domain switching fatigue in lead zirconate titanate ceramics, Acta Mater., 56(7), 1577-1587 (2008)
J. E. Daniels, T. R. Finlayson, A. J. Studer, M. Hoffmann and J. L. Jones,. Time-resolved diffraction measurements of electric-field-induced strain in tetragonal lead zirconate titanate, J. Appl. Phys. 101, 094104 (2007).
J. E. Daniels, T. R. Finlayson, M. Davis, D. Damjanovic, A. J. Studer, M. Hoffman and J. L. Jones, Neutron diffraction study of the polarization reversal mechanism in c-oriented Pb(Zn1/3Nb2/3)O] - xPbTiO3, J. Appl. Phys. 101, 104108 (2007).
J.E. Daniels, T.R. Finlayson, A.J. Studer and M.E. Hage, "Time resolved studies near the ferroelectric transition in triglycine sulphate during the application of high-voltage fields", Ferroelectrics 339, 1861-1868 (2006).
J. L. Jones, M. Hoffman, J.E. Daniels and A J. Studer. "Direct measurement of the domain switching contribution to the dynamic piezoelectric response in ferroelectric ceramics." Applied Physics Letters, 89(9) (2006).
W. D. Hutchison, D. J. Goossens, K. Nishimura, K. Mori, Y. Isikawa, and A. Studer. "Magnetic structure of TbNiAl4." Journal of Magnetism and Magnetic Materials, 301(2), 352-358 (2006).
J. L. Wang, S. J. Campbell, J. M. Cadogan, O. Tegus, A. J. Studer, and M. Hofmann. "Magnetic properties of PrMn2-xFexGe2 - 57Fe Mossbauer spectroscopy." Journal of Physics-Condensed Matter, 18(1), 189-204 (2006).
J. S. Forrester, E. H. Kisi, and A. J. Studer. "Direct observation of ferroelastic domain switching in polycrystalline BaTiO3 using in situ neutron diffraction." Journal of the European Ceramic Society 25, 447-454 (2005).
C. Tenailleau, B. Etschmann, H. Wang, A. Pring, B. A. Grguric, and A. Studer. "Thermal expansion of troilite and pyrrhotite determined by in situ cooling (873 to 373 K) neutron powder diffraction measurements." Mineralogical Magazine, 69, 205-216 (2005).
Y. Ma, E. H. Kisi, S. J. Kennedy and A. J. Studer. "Tetragonal to Monoclinic Transformation in MG-PSZ under Uniaxial Compression studied by in-situ Neutron Diffraction" J. Am. Ceram. Soc. 87, 465-472 (2004).
D. J. Goossens, K. F. Wilson, M. James, A. J. Studer and X. L. Wang. "Structural and magnetic properties of Y0.33Sr0.67CoO2.79." Phys. Rev. B 69, 134411 (2004).
Y. Lee, J. A. Hriljak, A. Studer, T. Vogt. "Anisitropic compression of edingtonite and thomsonite to 6GPa at room temperature." Phys Chem Minerals 31, 22-27 (2004).