Oktay Aktas - 西安交通大学 - 材料科学与工程学院

个人简介

Work experience 12/2016-Present, School of Materials Science and Engineering, Xi'an Jiaotong University, Shaanxi, China, Associate Professor. 01/2015-06/2016, The Laboratory for Multifunctional Ferroic Materials , Department of Materials, ETH Zurich, Switzerland, Postdoctoral Researcher. 12/2012-11/2014, Department of Earth Sciences, University of Cambridge, Cambridge, UK, Postdoctoral Research Associate 09/2006-04/2012, Department of Physics and Physical Oceanography, Memorial University of Newfoundland, St. Johns, NL, Canada, Teaching Assistant. 09/2005-08.2006, Department of Materials Science and Engineering, Koc University, Sariyer, Istanbul, Turkey, Teaching Assistant.

研究领域

Functional properties of materials at macroscopic and mesoscopic scales Ferroic and multi-ferroic materials Relaxation and dynamics in glassy systems Development of optical and acoustic methods for materials characterization Optical properties of materials Current research projects Domain boundary engineering Flexoelectricity and polarity of complex ferroelastic twin patterns

近期论文

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1. E.K.H. Salje, O. Aktas, and X. Ding, Functional topologies in (multi-)ferroic materials: the ferroelastic template, in Topological Structures in Ferroic Materials, edited by J. Seidel (Switzerland, Springer, 2016) 2. G.F. Nataf, O. Aktas, T. Granzow, and E.K.H. Salje, Influence of defects and domain walls on dielectric and mechanical resonances in LiNbO3, Journal of Physics: Condensed Matter 28, 015901 (2015) 3. O. Aktas, M.A. Carpenter, E.K.H. Salje, Elastic softening of leucite and the lack of polar domain boundaries, American Mineralogist 100, 2159 (2015) 4. J. Aufort, O. Aktas, M.A. Carpenter, and E.K.H. Salje, Effect of pores and grain size on the elastic and piezoelectric properties of quartz-based materials, American Mineralogist 100, 1165 (2015) 5. E.K.H. Salje, X. Ding, and O. Aktas, Domain Glass, Physica Status Solidi B 251, 2061 (2015)(invited paper) 6. E. Dul’kin, E.K.H. Salje, O. Aktas, and Roger Whatmore, Ferroelectric precursor behavior in PbSc0.5Ta0.5O3 detected by acoustic emission: tweed and polar nanoregions,, Applied Physics Letters 105, 212901 (2014) 7. O. Aktas and E.K.H. Salje, Functional twin boundaries and tweed microstructures: a comparison between minerals and device materials, Mineralogical Magazine 78, 1725 (2014) 8. O. Aktas, S. Crossley, M.A. Carpenter, and E.K.H. Salje, Polar correlations and defect induced ferroelectricity in cryogenic KTaO3, Physical Review B 90, 165309 (2014) 9. E.K.H. Salje, O. Aktas, M.A. Carpenter, V.V. Laguta, and J.F. Scott, Domains within Domains and Walls within Walls: Evidence for Polar Domains in Cryogenic SrTiO3, Physical Review Letters 111, 247603 (2013) 10. O. Aktas, E.K.H. Salje, S. Crossley, G. I. Lampronti, R.W. Whatmore, N.D. Mathur, and M.A. Carpenter, Ferroelectric precursor behavior in PbSc0.5 Ta0.5O3 detected by field-induced resonant piezoelectric spectroscopy, Physical Review B 88, 174112 (2013) (Editor’s suggestion). 11. O. Aktas, E.K.H. Salje, and M.A. Carpenter, Polar precursor ordering in BaTiO3 detected by resonant piezoelectric spectroscopy, Applied Physics Letters 103, 142902 (2013) 12. O. Aktas, E.K.H. Salje, and M.A. Carpenter, Resonant ultrasonic spectroscopy and resonant piezoelectric spectroscopy in ferroelastic lead phosphate, Pb3(PO4)2, Journal of Physics: Condensed Matter 25, 465401 (2013) 13. O. Aktas, G. Quirion, T. Otani, and T. Kimura, First order ferroelastic transition in a magnetoelectric multiferroic: CuCrO2, Physical Review B 88, 224104 (2013) 14. O. Aktas, K.D. Truong, G. Balakrishnan, M.J. Clouter, T. Kimura, and G. Quirion, Raman scattering study of delafossite magnetoelectric multiferroic compounds: CuFeO2 and CuCrO2, Journal of Physics: Condensed Matter 24, 036003 (2012) 15. G. Quirion, W. Wu, O. Aktas, J. Rideout, M. J. Clouter, and B. Mróz, Landau Model for the elastic properties of the ferroelastic crystal Rb4LiHi3(SO4)4, Journal of Physics: Condensed Matter 21, 455901 (2009) 16. O. Aktas, M. J. Clouter and G. Quirion, Soft optic mode in ferroelastic Rb4LiHi3(SO4)4, Journal of Physics: Condensed Matter 21 285901 (2009)