1) Y. Al-Khatatbeh and K. K. M. Lee, From superhard to hard: A review of transition metal dioxides TiO2, ZrO2, and HfO2 hardness, Journal of Superhard Materials 4, 231-245 (2014).
2) Michael I. Bergman, Yahya Al-Khatatbeh, Daniel J. Lewis, and Margarita C. Shannon, Deformation of directionally solidified alloys: evidence for microstructural hardening of Earth’s inner core? Comptes Rendus Geoscience 346, 140-147 (2014).
3) Yahya Al-Khatatbeh, Michael I. Bergman, Daniel J. Lewis, Zachary Mason, Laura Zhu, and Sarita Rosenstock, Annealing of Directionally Solidified Alloys Revisited: No Loss of Texture during Translation of Earth’s Inner Core, Physics of the Earth and Planetary Interiors (PEPI) 223, 32-39 (2013).
4) Y. Al-Khatatbeh, K. K. M. Lee, and B. Kiefer, Compressibility of nanocrystalline TiO2 anatase, Physical Chemistry C 116 (40), 21635-21639 (2012).
5) Y. Al-Khatatbeh, K. K. M. Lee, and B. Kiefer, Phase diagram up to 105 GPa and mechanical strength of HfO2, Physical Review B 82, 144106 (2010).
6) Y. Al-Khatatbeh, K. K. M. Lee, and B. Kiefer, Phase relations and hardness trends of ZrO2 phases at high pressure, Physical Review B 81, 214102 (2010).
7) Y. Al-Khatatbeh, K. K. M. Lee, and B. Kiefer, High-pressure behavior of TiO2 as determined by experiment and theory, Physical Review B 79, 134114 (2009).