Publications

Google Scholar Profile

Submitted or in preparation

43) A.H. Al-Tawhid, J. Kanter, M. Hatefipour, D.P. Kumah, J. Shabani, and K. Ahadi, Superconductivity and weak anti-localization at KTaO3 (111) interfaces. ArXiv

42) A.H. Al-Tawhid, J. Kanter, M. Hatefipour, D. L. Irving, D.P. Kumah, J. Shabani, and K. Ahadi, Oxygen vacancy-induced anomalous Hall effect in a non-magnetic oxide. ArXiv

41) A. Ron, K. Ahadi, D. Hickox-Young, D. Puggioni, O. Mehio, J. M. Rondinelli, S. Stemmer, and D. Hsieh, Transforming a strain-stabilized ferroelectric into an intrinsic polar metal with light.

40) K. Prashanthi, K. Mohan, Z. Antic, K. Ahadi, and M. Dramicanin, Temperature sensing using negative thermal quenching of BiFeO3 nanowires and quantitative validation of thermal sensitivity. TechRxiv

39) K. Ahadi and K.C. Cadien, High-κ complex oxides for advanced gate dielectric applications.


2021

38) A.H. Al-Tawhid, D.P. Kumah, and K. Ahadi, Two-dimensional electron systems and interfacial coupling in LaCrO3/KTaO3 heterostructures, Appl. Phys. Lett. 118,192905 [doi].

37) Md. Polash, S. Yalameha, H. Zhou,  K. Ahadi, Z. Nourbakhsh, D. Vashaee, Topological quantum matter to topological phase conversion: fundamentals, materials, physical systems for phase conversions, and device applications, Materials Science and Engineering: R: Reports, 145, 100620 [doi]. ArXiv

36) K. Ahadi and K.C. Cadien, Hf1-xZrxO2 and HfO2/ZrO2 gate dielectrics with extremely low density of interfacial defects using low temperature atomic later deposition on GaN and InP, Journal of Vacuum Science & Technology A. 39, 032407 [doi].

35) A.H. Al-Tawhid, A. Shafe, P. Bagheri, Y. Guan, P. Reddy, S. Mita, B. Moody, R. Collazo, Z. Sitar, and K. Ahadi, Weak localization and dimensional crossover in compositionally-graded AlxGa1-xN, Appl. Phys. Lett. 118, 082101 [doi].


2020

34) S. Salmani-Rezaie, K. Ahadi, S. Stemmer, Polar nanodomains in a ferroelectric superconductor, Nano Lett. 20, 6542 [doi].

33) S. Salmani-Rezaie, K. Ahadi, W.M. Strickland, S. Stemmer, Order-disorder ferroelectric transition of strained SrTiO3, Phys. Rev. Lett. 125, 087601 [doi]. ArXiv

32) D. Lovinger, E. Zoghlin, P. Kissin, G. Ahn, K. Ahadi, P. Kim, M. Poore, S. Stemmer, S. J. Moon, S. D. Wilson, R. D. Averitt, Magneto-elastic coupling to acoustic phonon modes in ferrimagnetic insulator GdTiO3, Phys. Rev. B. 102, 085138 [doi].

31) Z. Porter, R.F. Need, K. Ahadi, Y. Zhao, Z, Xu, B.J. Kirby, J.W. Lynne, S. Stemmer. S.D. Wilson, Correlating magnetic structure and magnetotransport in semimetal thin films of Eu1-xSmxTiO3, Phys. Rev. Mat., 4 054411 [doi]. ArXiv

30) T. Schumann, L. Galletti, H. Jeong, K. Ahadi, W.M. Strickland, S. Salmani-Rezaie, S. Stemmer, Possible signatures of mixed-parity superconductivity in doped, polar SrTiO3 films, Phys. Rev. B., 101, 100503(R) [doi]. ArXiv

29) H. Chandrasekar, K. Ahadi, T. Razzak, S. Stemmer, S. Rajan, High-current density SmTiO3/SrTiO3 field-effect transistors, Appl. Electron. Mater., 2, 510 [doi].


Before 2020

@ University of California, Santa Barbara

28) K. Ahadi, L. Galletti, Y. Li, S. Salmani-Rezaie, W. Wu, S. Stemmer, Enhancing superconductivity with strain in SrTiO3, Science Adv., 5 120 (2019) [doi].

27) R. Mori, P.B. Marshall, K. Ahadi, J.D. Denlinger, S. Stemmer, A. Lanzara, Controlling Van Hove singularity and electronic topology at the interface of a complex oxide heterostructure, Nat. Commun., 10 5534 (2019) [doi].

26) K. Ahadi, X. Lu, S. Salmani-Rezaie, P.B. Marshall, J.M. Rondinelli, S. Stemmer, Anisotropic magnetoresistance in itinerant, antiferromagnetic EuTiO3, Phys. Rev. B. 99, 041106(R) (2019) [doi].

25) S. Salmani-Rezaie, H. Kim, K. Ahadi, S. Stemmer, Lattice relaxations around individual dopant atoms in SrTiO3, Phys. Rev. Mat., 3 114404 (2019) [doi].

24) R. Russell, N. Ratcliff, K. Ahadi, L. Dong, S. Stemmer, J.W. Harter, Ferroelectric enhancement of superconductivity in compressively strained SrTiO3 films, Phys. Rev. Mat., 3 091401(R) (2019) [doi]. ArXiv

23) K. Ahadi, Z. Gui, Z. Porter, J.W. Lynn, Z. Xu, S.D. Wilson, A. Janotti, S. Stemmer, Carrier density control of magnetism and Berry phases in doped EuTiO3, APL Mater. 6 056105 (2018) [doi].

22) K. Ahadi, H. Kim, S. Stemmer, Spontaneous Hall effects in the electron systems at the SmTiO3/ EuTiO3 interface, APL Mater. 6 056102 (2018) [doi]. ArXiv

21) P.B. Marshall, K. Ahadi, H. Kim, S. Stemmer, Electron nematic fluid in a strained Sr3Ru2O7 film, Phys. Rev. B., 97 155160 (2018) [doi]. ArXiv

20) H. Kim, P.B. Marshall, K. Ahadi, T.E. Mates, E. Mikheev, S. Stemmer, Response of the lattice across the filling-controlled Mott metal-insulator transition of a rare earth titanate, Phys. Rev. Lett., 97 155160 (2017) [doi]. ArXiv

19) K. Ahadi, L. Galletti, S. Stemmer, Evidence of a topological Hall effect in Eu1-xSmxTiO3, App. Phys. Lett., 111 172403 (2017) [doi]. ArXiv

18) P.B. Marshall, H. Kim, K. Ahadi, S. Stemmer, Growth of strontium ruthenate films by molecular beam epitaxy, APL Mater., 5 096101 (2017) [doi]. ArXiv

17) K. Ahadi and S. Stemmer, Novel metal-insulator transition at the SmTiO3/SrTiO3 interface, Phys. Rev. Lett., 118 236803 (2017) [doi]. ArXiv

16) K. Ahadi, O.F. Shoron, P.B. Marshall, E. Mikheev, S. Stemmer, Electric field near the metal-insulator transition of a two-dimensional electron system in SrTiO3, App. Phys. Lett., 110 062104 (2017) [doi].

15) T. Schumann, S. Raghavan, K. Ahadi, H. Kim, S. Stemmer, Structure and optical band gaps of (Ba,Sr)SnO3 grown by molecular beam epitaxy, J. Vac. Sci. Tech. A 34 050601 (2016) equal contribution [doi].

@University of Alberta

14) B. Cao, X. He, J. Sorge, A. Lalany, K. Ahadi, A. Afshar, B.C. Olson, T.C. Hauger, M. Mobarok, P. Li, K.C. Cadien, M.J Brett, E.J. Luber, J.M. Buriak, Understanding the Effects of a High surface area nanostructured indium tin oxide electrode on organic solar cell performance, ACS App. Mat. Int., 9 38706 (2017) [doi].

13) Z. Antic, K. Prashanthi, D. Jovanovic, K. Ahadi, M.D. Dramicanin, T. Thundat, Transparent and highly luminescent dysprosium-doped GdVO4 thin films fabricated by pulsed laser deposition,  Thin Solid Films, 638 332 (2017) [doi].

12) Z. Li, K. Ahadi, K. Jiang, B. Ahvazi, B. Ahvazi, P. Li, A.O. Anyia, K.C. Cadien T. Thundat, Freestanding hierarchical porous carbon film derived from hybrid nanocellulose for high-power supercapacitors, Nano Research, 10 1847 (2017) [doi].

11) J. Liu, K. Prashanthi, Z. Li, R.T. McGee, K. Ahadi, T. Thundat, Strain-induced electrostatic enhancements of BiFeO3 nanowire loops, Physical. Chem. Chem. Phys., 18 22772 (2016) [doi].

10) K. Ahadi, K.C. Cadien, Ultra-low density of interfacial defects with mixed thermal and plasma enhanced ALD of high-κ gate dielectrics, RSC Adv., 6 16301 (2016) [doi].

@Sharif University of Technology

9) K. Ahadi, A. Nemati, S.-M. Mahdavi, A. Vaezi, Effect of simultaneous chemical substitution of A and B sites on the electrical properties and electronic structure of BiFeO3 films grown on BaTiO3, J. Mater. Sci. Mater. Electron., 24 2128 (2013) [doi].

8) K. Ahadi, S.-M. Mahdavi, A. Nemati, Effect of chemical substitution on the morphology and optical properties of Bi1-xCaxFeO3 Films Grown by Pulsed-Laser Deposition, J. Mater. Sci. Mater. Electron., 24 248 (2013) [doi].

7) M. Karbassi, A. Nemati, M. Hossinie, K. Ahadi, Effect of Iron oxide and silica doping on microstructure, bandgap and photocatalytic properties of titania, Tran. Cer. Soc., 70, 227 (2013) [doi].

6) K. Ahadi, A. Nemati, S.-M. Mahdavi, Conductor-insulator transition and electronic structure of Ca-doped BiFeO3 films, Materials Lett., 82 124 (2012) [doi].

5) N. Tahmasebi, S.-M. Mahdavi, A. Irajizad, K. Ahadi, Synthesis of sodium tungsten oxide nano-thick plates, Materials Lett., 82 214 (2012) [doi].

4) K. Ahadi, S.-M. Mahdavi, A. Nemati, M. Tabesh, M. Ranjbar, Electronic sructure and morphological study of BaTiO3 films grown by pulsed-laser deposition, Materials Lett., 72 107 (2012) [doi].

3) M.S. Shahriary, B. Koohbor, K. Ahadi, A. Ekrami, The effect of dynamic strain aging on room temperature mechanical properties of high martensite dual phase (HMDP) steel, Mater. Sci. Eng. A, 550 325 (2012) [doi].

2) M. Kianinia, K. Ahadi, A. Nemati, Investigation of dark and light conductivities in Calcium doped bismuth ferrite thin films, Materials Lett., 65 3086 (2011) [doi].

1) K. Ahadi, S.-M. Mahdavi, A. Nemati, M. Kianinia, Photoconductivity and diode effect in Bi rich multiferroic BiFeO3 thin films grown by pulsed-laser deposition, J. Mater. Sci. Mater. Electron., 22 815 (2011) [doi].