Resume Contact Information Dr. Yanzhang Ma Department of Mechanical Engineering Texas Tech University Lubbock, TX 79409-1021 Tel: (806)834-3633 Fax: (806)742-3540 email: y.ma@ttu.edu Education B.S., Jilin University (China), 1985 M.S., Jilin University (China), 1990 Ph.D., Jilin University (China), 1995 Experience 2012 2008- 2012 2002 -2008 1996-2002 1995-1996 1989-1992 Professor Associate Professor Assistant Professor Postdoctoral Assoc. Lecturer Chief Engineer Texas Tech University Texas Tech University Texas Tech University, Carnegie Institution of Washington, National Laboratory of Superhad Materials, Jilin University, Dalian Special Material Industrial Company, Teaching Areas Materials Science and Engineering High pressure science and technology Research Interests Stress and strain under high pressure High pressure/high temperature phase transformation Performance of rocks and minerals under pressure and shear Diamond anvil cell high pressure techniques Synchrotron X-ray and spectroscopy measurements List of Publication 2014 Journal Publications (5) J83. Guanghui Li, Yan Li, Miao Zhang, Yanzhang Ma, Yanming Ma, Yonghao Han, and Chunxiao Gao, Pressure-induced isostructural phase transition in CaB4, RSC Adv. 4, 42523-42529 (2014). J82. Junkai Zhang, Yonghao Han, Cailong Liu, Xin Zhang, Feng Ke, Gang Peng, Yanmei Ma, Yanzhang Ma, and Chunxiao Gao,Semiconductor-to-metal transition of Bi2Se3 under high pressure,Appl. Phys. Lett. 105, 062102 (2014). J81. Jian Zhang, Hang Cui, Penfen Zhu, Chunli Ma, Xiaoxin Wu, Hongyang Zhu, Yanzhang Ma, Qiliang Cui, Photoluminescence studies of Y2O3:Eu3+ under high pressure, J. Appl. Phys. 115 (2), 023502 (2014). J80. Bao Feng, Valery I. Levitas, Yanzhang Ma, Strain-induced phase transformation under compression in a diamond anvil cell: Simulations of a sample and gasket, J. Appl. Phys. 115 (16), 163509 (2014). J79. Feng Ke, Cailong Liu, Yang Gao, Junkai Zhang , Dayong Tan, Yonghao Han, Yanzhang Ma, Jinfu Shu, Wenge Yang, Bin Chen, Ho-Kwang Mao, Xiaojia Chen, Chunxiao Gao, Interlayer-glide-driven isosymmetric phase transition in compressed In2Se3, Appl. Phys. Lett. 104 (21), 212102 (2014). 2013 Journal Publications (5) J78. Junkai Zhang, Cailong Liu, Xin Zhang, Feng Ke, Yonghao Han, Gang Peng, Yanzhang Ma, and Chunxiao Gao, Impurity level evolution and majority carrier-type inversion of Ag2S under extreme compression: Experimental and theoretical approaches, Applied Physics Letters 103 (8), 082116-082116(2013). J77. Hongyang Zhu, Fuxiang Zhang, Cheng Ji, Dongbin Hou, Jianzhe Wu, Trevor Hannon, and Yangzhang Ma, Pressure-induced series of phase transitions in sodium azide, J. Appl. Phys. 113, 033511 (2013). J76. Bao Liu, Jie Yang, Qinglin Wang, Yonghao Han, Yanzhang Ma, and Chunxiao Gao, Determination of the phase diagram of water and investigation of the electrical transport properties of ices VI and VII, Phys.Chem. Chem. Phys., 15, 14364 (2013). J75. Junkai Zhang, Cailong Liu, Xin Zhang, Feng Ke, Yonghao Han, Gang Peng, Yanzhang Ma, and Chunxiao Gao, Electronic topological transition and semiconductor-to-metal conversion of Bi2Te3 under high pressure, Appl. Phys. Lett. 103, 052102 (2013). J74. Feng Ke, Jie Yang, Cailong Liu, Qinglin Wang, Yuqiang Li, Junkai Zhang, Lei Wu, Xin Zhang, Yonghao Han, Baojia Wu, Yanzhang Ma, and Chunxiao Gao, High-Pressure Electrical-Transport Properties of SnS: Experimental and Theoretical Approaches, J. Phys. Chem. C 117, 6033 (2013). Conference Proceedings and Abstracts (2) C34. Cheng Ji, Valery Levitas, Hongyang Zhu, Jharna Chaudhuri, Archis Marathe, and Yanzhang Ma, Shear-induced phase transition of disordered nanocrystalline hexagonal boron nitride at room temperature, 18th Biennial Intl. Conference of the APS Topical Group on Shock Compression of Condensed Matter held in conjunction with the 24th Biennial Intl. Conference of the Intl. Association for the Advancement of High Pressure Science and Technology (AIRAPT), July 7–12, 2013; Seattle, Washington. C33. Yanzhang Ma, Wenge Yang, Cheng Ji, Yang Gao, Oliver Tschauner, and Stanislav Sinogeikin, Compression and Shear of Tantalum to 64 GPa, 18th Biennial Intl. Conference of the APS Topical Group on Shock Compression of Condensed Matter held in conjunction with the 24th Biennial Intl. Conference of the Intl. Association for the Advancement of High Pressure Science and Technology (AIRAPT), July 7–12, 2013; Seattle, Washington. 2012 Journal Publications (13) J73. Yuqiang Li, Yang Gao, Yonghao Han, Qinglin Wang, Yan Li, Ningning Su, Junkai Zhang, Cailong Liu, Yanzhang Ma, and Chunxiao Gao, High-Pressure Electrical Transport Behavior in WO3, J. Phys. Chem. C 116 (8), 5209–5214 (2012). J72. Wanbin Ren, Yonghao Han, Cailong Liu, Ningning Su, Yan Li, Boheng Ma, Yanzhang Ma, Chunxiao Gao, Pressure-induced semiconductor–metal phase transition in Mg2Si, Solid State Commu. 152, 440 (2012). J71. Y. Ma and V. levitas, Structural phase transition under pressure and shear, Plasticity '12: The eighteenth international symposium on plasticity and its current applications, San Juan, January 3, 2012. J70. Cai-Long Liu, Yong-Ming Sui, Wan-Bin Ren, Bo-Heng Ma, Yan Li, Ning-Ning Su, Qing-Lin Wang, Yu-Qiang Li, Jun-Kai Zhang, Yong-Hao Han, Yan-Zhang Ma, and Chun-Xiao Gao, Electrical Properties and Behaviors of Cuprous Oxide Cubes under High Pressure, Inorg. Chem. 51, 7001-7003 (2012). J69. Cailong Liu, Yonghao Han, Quan Li, Yanzhang Ma, Yanming Ma, and Chunxiao Gao, Size-dependent phase transition of graphite to superhard graphite under high pressure at room temperature,.J. Appl. Phys. 112, 103707 (2012). J68. Yan Li, Yonghao Han, Yanzhang Ma, Pinwen Zhu, Xin Wang, and Chunxiao Gao, Pressure effects on grain boundary, electrical and vibrational properties of the polycrystalline BaTeO3,Europhysics Letters 98 (6), 66006 (2012). J67. Yuqiang Li, Yang Gao,Yonghao Han, Cailong Liu, Wanbin Ren, Qinglin Wang, Yanzhang Ma, Baojia Wu, Chunxiao Gao, Electrical Transport Properties of BaWO4 under High Pressure, J. Phys. Chem. C 116(48), 25198-25205(2012). J66. Cheng Ji, Valery I. Levitas, Hongyang Zhu, Jharna Chaudhuri,Archis Marathe, and Yanzhang Ma, Shear-induced phase transition of nanocrystalline hexagonal boron nitride to wurtzitic structure at room temperature and lower pressure, Proc. Natl. Acad. Sci. USA, 109(47), 19108-19112 (2012). J65. Cheng Ji, Dongbin Hou, Hongyang Zhu, Jianzhe Wu, Ming-Chien Chyu, and Yanzhang Ma, Pressure-induced Phase Transition in Potassium Azide up to 55 GPa, J. Appl. Phys. 111 (11), 112613 (2012). J64. Valery I. Levitas, Yanzhang Ma, Emre Selvi, Jianzhe Wu, John A. Patten, New Disordered Phase of Silicon Carbide Obtained under Large Plastic Shear and High Pressure, Phys. Rev. B 85, 054114 (2012). J63. Oleg M. Zarechnyy, Valery I. Levitas, and Yanzhang Ma, Coupled plastic flow and phase transformation under compression of materials in a diamond anvil cell: Effects of transformation kinetics and yield strength, J. Appl. Phys. 111, 023518 (2012). J62.Qinglin Wang, Yonghao Han, Cailong Liu, Yanzhang Ma, Wanbin Ren, and Chunxiao Gao, High-pressure electrical transport properties of KNbO3: Experimental and theoretical approaches, Appl. Phys. Lett. 100, 172905 (2012). J61. Dongmei Zhang, Yongsheng Zhang, Yang Gao, Yonghao Han, Chunxiao Gao, Yanzhang Ma, Chunxiao Cheng, and Ke Yu, On the role of grain boundaries in nanocrystalline gamma-Fe2O3 under high pressure, J. Appl. Phys. 111, 063718 (2012). Conference Proceedings and Abstracts (1) C32. Yanzhang Ma and Valery Levitas, Structual phase transition under pressure and shear, Plasticity '2012, San Juan, PR, Jan 2012. 2011 Journal Publications (7) J57. Ningning Su, Yonghao Han, Yanzhang Ma, Hongwu Liu, Boheng Ma, and Chunxiao Gao, Pressure-induced magnetoresistivity reversal in magnetite, Appl. Phys. Lett. 99, 211902 (2011). J56. Junkai Zhang, Yonghao Han, Cailong Liu, Wanbin Ren, Yan Li, Qinglin Wang, Ningning Su, Yuqiang Li, Boheng Ma, Yanzhang Ma, and Chunxiao Gao,Electrical Transport Properties of SnO under High Pressure, J. Phys. Chem. C 115, 20710–20715 (2011). J55. Jianzhe Wu, Hongyang Zhu, Dongbin Hou, Cheng Ji, C.E. Whiteley, J.H Edgar, and Yanzhang Ma, High pressure X-ray diffraction study on icosahedral boron arsenide (B12As2), Journal of Physics and Chemistry of Solids 72, 144-146 (2011). J54. Dongbin Hou, Fuxiang Zhang, Cheng Ji, Travor Hannon, Hongyang Zhu, Jianzhe Wu, Valery Levitas, and Yanzhang Ma, Phase Transition and Structure of Silver Azide at High Pressure, J. Appl. Phys. 110, 023524 (2011). J53. Dongbin Hou, Fuxiang Zhang, Cheng Ji, Trevor Hannon, Hongyang Zhu, Jianzhe Wu, and Yanzhang Ma,Series of phase transitions in cesium azide under high pressure studied by in situ x-ray diffraction, Phys. Rev. B. 84, 064127 (2011). J52. Cheng Ji, Fuxiang Zhang, Dongbin Hou, Hongyang Zhu, Jianzhe Wu, Ming Chyu, Valery Levitas, and Yanzhang Ma, High presure X-ray diffraction study of potassium azide, J. Phys. Chem. Solids 72 (6), 736-739 (2011). J51. Bao Liu, Jie Yang, Yonghao Han, Tingjing Hu, Wanbin Ren, Cailong Liu, Yanzhang Ma, Chunxiao Gao, Electronic structure of TiS2 and its electric transport properties under high pressure, J. Appl. Phys. 109, 053717 (2011). Conference Proceeding and Abstract (2) C31.Yanzhang Ma, Dongbin Hou, Fuxiang Zhang, Cheng Ji, Trevor Hannon, Hongyang Zhu, Jianzhe Wu, High Pressure Phase Transitions of Cesium Azide, SMEC2011, March 2011Miami, FL. C30. Yanzhang Ma, Cheng Ji , Fuxiang Zhang, Dongbin Hou, Hongyang Zhu, Jianzhe Wu, Ming-Chien Chyu, Behavior of potassium azide under high pressure, SMEC2011, March 2011Miami, FL. 2010 Journal Publications (8) J50. Tingjing Hu, Xiaoyan Cui, Yang Gao, Yonghao Han, Cailong Liu, Bao Liu, Hongwu Liu, Yanzhang Ma, and Chunxiao Gao, In situ Hall effect measurement on diamond anvil cell under high pressure, Rev. Sci. Instrum. 81, 115101 (2010). J49. Bao Liu, Yonghao Han and Chunxiao Gao, Yanzhang Ma, Gang Peng, Baojia Wu, Cailong Liu, Yue Wang, Tingjing Hu, Xiaoyan Cui, Wanbin Ren, Yan Li, Ningning Su, Hongwu Liu, and Guangtian Zou, Pressure Induced Semiconductor-Semimetal Transition in WSe2, J. Phys. Chem. C, doi: 10.1021/jp104143e. J48. Hongyang Zhu, Yanzhang Ma, Peifen Zhu, Haibin Yang, Cheng Ji, Dongbin Hou, and Lingyun Guo, Ultrastable Structure and Luminescence of Y2O3 Nanotubes, Solid State Communications 150 , 1208-1212 (2010). J47. Dongbin Hou, Jianguo Du, Jinyuan Yan, Cheng Ji, Hongyang Zhu, and Yanzhang Ma, High pressure x-ray diffraction study of ReS2, J. Phys. Chem. Solids, in press. J46. Fangming Xiao, Cheng Ji, Hongyang Zhu, Dongbin Hou, and Min Zhu, The compressibility of the La-Mg-Ni alloy system, International Journal of Hydrogen Energy, 35, 6779-6783 (2010). J45. Hongyang Zhu, Yanzhang Ma,*, Haibin Yang, Lingyun Guo, Cheng Ji, and Dongbin Hou, Pressure Induced Phase Transition of Nanocrystalline and Bulk Maghemite (γ-Fe2O3) to Hematite (α-Fe2O3), J. Phys. Chem. Solids, 71, 1183-1186 (2010). J44. Peng Gang; Han Yonghao; Gao Chunxiao; Ma Yanzhang; Wu Baojia; Liu Cailong; Liu Bao; Hu Tingjing; Wang Yue; Cui Xiaoyan; Ren Wanbin; Liu Hongwu; Zou Guangtian, Note: The effect of sample insulation on experiment precision of resistivity measurement in a diamond anvil cell, Rev. Sci. Instrum. 81 (3), 036108 (2010). J43. Yue Wang, Yonghao Han, Chunxiao Gao, Yanzhang Ma, Cailong Liu, Gang Peng, Baojia Wu, Bao Liu, Tingjing Hu, Xiaoyan Cui, Wanbin Ren, Yan Li, Ningning Su, Hongwu Liu, and Guangtian Zou, In situ impedance measurements in diamond anvil cell under high pressure, Rev. Sci. Instrum. 81, 013904 (2010). 2009 Journal Publications (5) J42. Cheng Ji, Yanzhang Ma, Ming-Chien Chyu, Knudson Russell, and Hongyang Zhu, X-ray diffraction study of aluminum carbide powder to 50 GPa, J. Appl. Phys., 106, 083511 (2009). J41. Artem R. Oganov, Jiuhua Chen, Carlo Gatti, Yanzhang Ma, Yanming Ma1, Colin W. Glass, Zhenxian Liu, Tony Yu, Oleksandr O. Kurakevych, and Vladimir L. Solozhenko, Ionic high-pressure form of elemental boron, Nature 460, 292 (2009). J40. Dongbin Hou, Yanzhang Ma, Chunxiao Gao, Jharna Chaudhuri, Rac G. Lee, and Haibin Yang, Compression of a crystalline ZnO nanotube: An experimental exploration of the B4 to B1 transition mechanism, J. Appl. Phys. 105, 104317 (2009). J40a. Dongbin Hou, Yanzhang Ma, Chunxiao Gao, Jharna Chaudhuri, Rac G. Lee, and Haibin Yang, Compression of a crystalline ZnO nanotube: An experimental exploration of the B4 to B1 transition mechanism, Virtual Journal of Nanoscale Science & Technology, 19 (23), (2009). J39. Artem R. Oganov, Jiuhua Chen, Carlo Gatti, Yanzhang Ma, Yanming Ma, Colin W. Glass, Zhenxian Liu, Tony Yu, Oleksandr O. Kurakevych, and Vladirmir L. Solozhenko, Ionic high-pressure form of elemental boron, Nature 457, 863-867 (2009). J38. Resul Aksoy, Emre Selvi, Russell Knudson and Yanzhang Ma, High pressure x-ray diffraction study of titanium disulfide, J. Phys.:Condens Matter 21, 025403 (2009). Conference Proceeding and Abstract (5) C29. Yanzhang Ma, Comparison of the size-effect on the compressibility in metallic and nonmetallic nanomaterials, SMEC (Study of Matter at Extreme Conditions) 2009, March-April 2009, Miami-Western Caribbean. C28. Yanzhang Ma, Boheng Ma, Hongyang Zhu, and Ming Chyu, Raman spectroscopy measurement of MoS2 to 43 GPa, 2009 APS March Meeting, March 2009, Pittsburgh, Pennsylvania. C27. Yanzhang Ma C. Ji, M. Chyu, K. Russell, H. Zhu, X-ray Diffraction Study of Aluminum Carbide Powder to 50 GPa, Exploring the Frontiers of Thermal Analysis and Rheology-NATAS 37th Annual Conference, Sept. 2009, Lubbock, Texas. C26. Yanzhang Ma, D. Hou, C. Gao, J. Chaudhuri, R. Lee, H. Yang, High Pressure X-ray Diffraction Study Of Nanocrystalline Zinc Oxide, Exploring the Frontiers of Thermal Analysis and Rheology-NATAS 37th Annual Conference, Sept. 2009, Lubbock, Texas. C25. Yanzhang Ma, H. Zhu, and H. Yang, X-ray diffraction study of pressure-induced phase transformation from maghemite to hematite, Exploring the Frontiers of Thermal Analysis and Rheology-NATAS 37th Annual Conference, Sept. 2009, Lubbock, Texas. 2008 Journal Publications(6) J37. Chunxiao Gao, Chunyuan He, Ming Li, Yonghao Han, Yanzhang Ma, Guangtian Zou, In situ conductivity measurement of matter under extreme conditions by film fabrication on diamond anvil cell, J. Phys. Chem. Solids 69, 2199-2203 (2008). J36. Hongyang Zhu, Yanzhang Ma, Haibin Yang, Emre Selvi, Dongbin Hou, Cheng Ji, Synthesis and Compression of Nanocrystalline Silicon Carbide, J. Appl. Phys. 104, 123516 (2008). J35. Chunyuan He, Chunxiao Gao, Yanzhang Ma, Bingguo Liu, Ming Li, Xiaowei Huang, Aimin Hao, Cuiling Yu, Dongmei Zhang, Hongwu Liu and Guangtian Zou, Electrical property and phase transition of CdSe under high pressure, J. Phys. Chem. Solids 69,2227-2229 (2008). J34. R. Aksoy, E. Selvi, Y. Ma, X-ray diffraction study of molybdenum diselenide to 35.9 GPa, J. Phys. Chem. Solids 69, 2138-2140 (2008). J33. Emre Selvi, Resul Aksoy, Russell Knudson, Yanzhang Ma, High-pressure X-ray diffraction study of tungsten diselenide, J. Phys. Chem. Solids 69, 2311-2314 (2008). J32. I. Cumalioglu, A. Ertas, Y. Ma, and T.T. Maxwell, State of the Art: Hydrogen Storage, Transaction of the ASME: Journal of Fuel Cell Science and Technology, 034001 (2008). Conference proceeding and abstract (3) C24. Hongyang Zhu, Yanzhang Ma, Haibin Yang, and Lingyun Guo, Synthesis and compression of nanocrystalline silicon carbide, CDAC annual meeting, February 2008, Washington D.C. C23. Dongbin Hou, Yanzhang Ma, High pressure x-ray diffraction study of zinc oxide nano-wire, CDAC annual meeting, February 2008, Washington D.C. C22. Emre Selvi and Yanzhang Ma, Interaction of Tungsten Disulfide with Different Pressure Media, CDAC annual meeting, February 2008, Washington D.C. 2007 Journal Publications(16) J31. J. Chaudhuri , L. Nyakiti, R. Lee, Y. Ma, P. Li, Q.L. Cui and L.H. Shen, Molybdenum nitride nanoparticles — high-resolution transmission electron microscopy study, Materials Letters 61(26), 4763-4765 (2007).. J30. Dongmei Zhang, Chunxiao Gao, Yanzhang Ma, Chunyuan He, Xiaowei Huang, Aimin Hao, Cuiling Yu, Yanchun Li, Jing Liu, Gang Peng, Dongmei Li, Hongwu Liu, and Guangtian Zou, Electrical conductivity measurements of beta-boron under high pressure and temperature, J. Phys.: Condens. Matter, 19, 425216 (2007). J29. Chunyuan He, C.X. Gao, B.G. Liu, M. Li, X.W. Huang, A.M. Hao, C.L. Yu, D.M. Zhang, Y. Wang, H.W. Liu, Y.Z. Ma, and G.T. Zou, Electrical properties and phase transition of CdTe under high pressure, J. Phys.: Condens. Matter 19, 425223 (2007). J28. Aimin Hao, Chunxiao Gao,Ming Li Chunyuan He , Xiaowei Huang, Dongmei Zhang, Cuiling Yu, Hongwu Liu, Yanzhang Ma, Yongjun Tian, and Guangtian Zou, A study of the electrical properties of HgS under high pressure, J. Phys.: Condens. Matter 19, 425222 (2007). J27. Cuiling Yu, Qingjiang Yu, Chunxiao Gao, Bao Liu, Aimin Hao, Chunyuan He,Xiaowei Huang, Dongmei Zhang, Xiaoyan Cui, Dongmei Li, Hongwu liu, Yanzhang Ma, and Guangtian Zou, Structural and electrical properties of PbMoO4 under high pressure, J. Phys.: Condens. Matter, 19, 425215 (2007). J26. Ming Li, Chun Xiao Gao, Yan Zhang Ma, AiMin Hao, Chun Yuan He,Xiao Wei Huang, Yan Chun Li, Jing Liu, Hong Wu Liu, and Guang Tian Zou, In situ HPHT resistance measurement of (Fe0.125, Mg0.875)2SiO4 in a designed laser heated diamond anvil cell, J. Phys.: Condens. Matter, 19, 425210 (2007). J25. Chunyuan He, Chunxiao Gao, Yanzhang Ma, Ming Li, Aimin Hao, Xiaowei Huang, Bingguo Liu, Dongmei Zhang, Cuiling Yu, Guangtian Zou, Yanchun Li, Hui Li, Xiaodong Li, and Jing Liu, In situ electrical impedance spectroscopy under high pressure on diamond anvil cell, Appl. Phys. Lett. 91, 092124 (2007). J24. Ming Li, Chunxiao Gao, Gang Peng, Chunyuan He, Aimin Hao, Xiaowei Huang, Dongmei Zhang, Cuiling Yu, and Yanzhang Ma, Thickness measurement of sample in diamond anvil cell, Rev. Sci. Instrum. 78, 075106 (2007). J23. Xiaowei Huang, Chunxiao Gao, Yonghao Han, Ming Li, Chunyuan He, Aimin Hao, Dongmei Zhang, Cuiling Yu, Guangtian Zou, and Yanzhang Ma, Finite element analysis of resistivity measurement with van der Pauw method in a diamond anvil cell, Appl. Phys. Lett. 90, 242102 (2007). J22. Xiaowei Huang, Chunxiao Gao,Dongmei Zhang, Ming Li, Chunyuan He, Aimin Hao,Cuiling Yu, Chong Sang, Cailong Liu, Yue Wang, Rui Guan, Dongmei Li, Guangtian Zou, and Yanzhang Ma, Finite element analysis of the effect of electrode resistivity on resistivity measurement in a diamond anvil cell, Appl. Phys. Lett. 90, 204102 (2007). J21. Yanzhang Ma, Qiliang Cui, and Hailong Shen, X-ray diffraction study of nanocrystalline tungsten nitride and tungsten, J. Appl. Phys. 102, 013525 (2007). J20. Y. Ma, and R. Aksoy, Compression of CdCu3Ti4O12 perovskite to 55 GPa, Solid State Communications 142, 376-379 (2007). J19. Ming Li, Chunxiao Gao, Yanzhang Ma, He Chunyuan, Hao Aimin, Zhang Dongmei, Li Yanchun, Liu Jing, Wang Duojun, Resistivity Measurement of Molten Olivine in a Laser-Heated Diamond Anvil Cell, CHIN. PHYS. LETT. 24, 1010 (2007). J18. Ming Li , Chun-Xiao Gao , Yanzhang Ma , Duojun Wang , Yan-Chun Li , Jin Liu, In situ electrical conductivity measurement of high-pressure molten (Mg0.875, Fe0.125)2SiO4, Appl. Phys. Lett. 90, 113507 (2007). J17. Aimin Hao , Chunxiao Gao, Ming Li , Chun He , Xiao Huang , Guangtian Zou , Yongjun Tian, Yanzhang Ma, Conductivity of AgI under high pressure, J. Appl. Phys. 101, 053701 (2007). J16. I. Cumalioglu, Y. Ma, A. Ertas, and T.T. Maxwell, High Pressure Hydrogen Storage Tank: A Parametric Design Study, ASME Journal of Pressure Vessel Technology 129, 216 (2007). Conference Proceeding and Abstract (7) C21. Chunyuan He, Chunxiao Gao, and Yanzhang Ma, Electrical Impedance spectrum study of CdS under high pressure, The Fourth Meeting of the Center for the Study of Matter at Extreme Conditions, April 15-20, 2007, Miami, Florida. C20. Emre Selvi, Resul Aksoy, Russell Knudson, and Yanzhang Ma, High Pressure X-ray Diffraction Study of Tungsten Diselenide, The Fourth Meeting of the Center for the Study of Matter at Extreme Conditions, April 15-20, 2007, Miami, Florida. C19. Resul Aksoy, Emre Selvi, and Yanzhang Ma, X-ray diffraction study of molybdenum diselenide to 35.9 GPa, The Fourth Meeting of the Center for the Study of Matter at Extreme Conditions, April 15-20, 2007, Miami, Florida. C18. Resul Aksoy, Emre Selvi, Russell Knudson, and Yanzhang Ma, High pressure X-ray diffraction studies of Titanium Disulfide, The Fourth Meeting of the Center for the Study of Matter at Extreme Conditions, April 15-20, 2007, Miami, Florida. C17. Chunxiao Gao, Yanzhang Ma, Yonghao Han, Ming Li, Guangtian Zou, In-Situ Conductivity Measurement of Matter under Extreme Conditions by Film Fabrication on Diamond Anvil Cell, The Fourth Meeting of the Center for the Study of Matter at Extreme Conditions, April 15-20, 2007, Miami, Florida. C16. Chunyuan He, C.X. Gao, Yanzhang Ma, In-Situ Electrical Property Study of CdSe under High Pressure, The Fourth Meeting of the Center for the Study of Matter at Extreme Conditions, April 15-20, 2007, Miami, Florida. C15. Chunxiao Gao, Yanzhang Ma, Dongli Yu, Julong He, and Yongjun Tian, In-Situ X-Ray diffraction of BCN Compound under Pressure up to 30 GPa, The Fourth Meeting of the Center for the Study of Matter at Extreme Conditions, April 15-20, 2007, Miami, Florida. 2006 Journal Publications(7) J15. Ming Li, Chunxiao Gao, Yanzhang Ma, Yanchun Li, Xiaodong Li, Hui Li, Jing Liu, Aimin Hao, Chunyuan He, Xiaowei Huang, Dongmei Zhang, and Cuiling Yu, New diamond anvil cell system for in situ resistance measurement under extreme conditions, Rev. Sci. Instrum. 77, 123902 (2006). J14. Yanzhang Ma, Valery I Levitas, and Javad Hashemi, X-ray diffraction measurements in a rotational diamond anvil cell, J. Phys. Chem. Solids 67, 2083-2090 (2006). J13. Emre Selvi, Yanzhang Ma, Resul Aksoy, Atila Ertas, Allen White and Jagdev-Singh Sandhu, High pressure x-ray diffraction study of tungsten disulfide, J. Phys. Chem. Solids 67, 2183-2186 (2006). J12. Resul Aksoy, Emre Selvi, and Yanzhang Ma, X-ray diffraction study of molybdenum disulfide to 38.8 GPa, J. Phys. Chem. Solids 67, 1914-1917 (2006). J11. V. Levitas, Y.Z. Ma, and J. Hashemi, M. Holtz and N. Guven, Strain-induced disorder, phase transformations and TRIP in hexagonal boron nitride under compression and shear in a rotational diamond anvil cell: in-situ X-ray diffraction study and modeling, J. Chem. Phys., 125, 044507 (2006). J10. Yanzhang Ma, Emre Selvi, Valery I. Levitas, and Javad Hashemi, Effect of shear strain on the α-phase transition of iron: a new approach in the rotational diamond anvil cell, J. Phys. Cond. Mater 18, S1075-S1082 (2006). J9. Yanzhang Ma, Jianjun Liu, Chunxiao Gao, W. N. Mei, Allen D. White, and Jahan Rasty, High-pressure X-ray diffraction study of the giant dielectric constant material CaCu3Ti4O12: evidence of stiff grain surface, Appl. Phys. Lett. 88(19), 191903 (2006). Conference Proceeding and Abstract (1) C14. Yanzhang Ma, Jianjun Liu, Chunxiao Gao, Allen D. White, W. N. Mei, and Jahan Rasty, High-pressure X-ray diffraction study of the giant dielectric constant material CaCu3Ti4O12: evidence of stiff grain surface, American Physical Society Spring meeting, Baltimore Maryland (2006). Book Chapter (1) B2. Valery I. Levitas, Yanzhang Ma, and Javad Hashemi, Strain-Induced Disorder and Phase Transformation in Hexagonal Boron Nitride under Quasi-Homogeneous Pressure up to 25 GPa: In-Situ X-Ray Study in a Rotational Diamond Anvil Cell, in NATO Science Series II: Mathematics, Physics and Chemistry, vol 200, Innovative Superhard Materials and Sustainable Coatings for Advanced Manufacturing, Edited by Jay Lee, Nikolay Novikov and Vladimir Turkevich, (Springer Verlay, Netherlands, 2006) pp 31-41, (2006). 2005 Journal Publications(3) J8. Yonghao Han, Chunxiao Gao, Yanzhang Ma, et al. Integrated microcircuit on a diamond anvil for high-pressure electrical resistance measurement, Appl. Phys. Lett. 86, 064104 (2005). J7. Valerry I. Levitas, Yanzhang Ma, and Javad Hashemi, Transformation-induced plasticity and cascading structural changes in hexagonal boron nitride under high pressure and shear, Appl. Phys. Lett. 86, 071912 (2005). J6. C. Gao, Y Han, Y. Ma, A. White, H. Liu, J. Luo, M. Li, C. He, A. Hao, X. Huang, Y. Pan, and G. Zou, Accurate measurements of high pressure resistivity in a diamond anvil cell, Rev. Sci. Instrum., 76, 083912 (2005). Conference Proceeding and Abstract (10) C13. Yanzhang Ma, Recent approaches in application of a rotational diamond anvil cell, COMPRES workshop on rheology and elasticity studies at ultra-high pressures and temperatures, Argonne, IL (2005). C12. Valery I. Levitas, Yanzhang Ma and Javad Hashemi, Strain-induced phase transformations under compression and shear in a rotational diamond anvil cell: in-situ x-ray diffraction study and modeling ,Proceedings of ``Plasticity'05'' (Ed. A. Khan et al.), Neat Press, Fulton, Maryland, 2005, pp493-495. C11. Emre Selvi, Yanzhang Ma, Resul Aksoy, Atila Ertas, Allen White, and Jagdev-Singh Sandhu, Equation of state measurement of tungsten disulfide to 25 GPa, Regional Proceedings: International Southwest Region X 2005 Graduate Student Technical Conference, April 1-2, 2005, Lubbock, Texas. C10. Resul Aksoy, Yanzhang Ma, Emre Selvi, Ming C. Chyu, Atila Ertas, and Allen White, High Pressure X-ray Diffraction Study of Molybdenum disulfide, Regional Proceedings: International Southwest Region X 2005 Graduate Student Technical Conference, April 1-2, 2005, Lubbock, Texas. C9. H. Yang, R. Lu, A.D. White, R. Downs, and Y. Ma, X-ray diffraction study of marokite (CaMn2O4) to 40 GPa, GSA Abstracts, Vol. 37, No. 7, (2005). C8. Allen White, Yanzhang Ma, Resul Aksoy, Emre Selvi and Jagdev-Singh Sandhu, High pressure x-ray diffraction study of chromite [(Fe0.44 Mg0.56 )(Cr0.89 Al0.11 )2 O4 ] to 41 GPa, 2005 Region X GSTC Proceedings, ASME Great International Southwest Region X Graduate Student Technical Conference, March 31 – April 2, 2005 – Lubbock, Texas. C7. Emre Selvi, Yanzhang Ma, Resul Aksoy, Atila Ertas, Allen White and Jagdev-Singh Sandhu, High pressure x-ray diffraction study of tungsten disulfide, Study of Matter at Extreme Conditions (SMEC) Conference, 17-21 April 2005, Miami, Florida. C6. Resul Aksoy, Yanzhang Ma, Emre Selvi, Ming C. Chyu, Atila Ertas and Allen White, Equation of state measurement of molybdenum disulfide, Study of Matter at Extreme Conditions (SMEC) Conference, 17-21 April 2005, Miami, Florida. C5. Allen White, Yanzhang Ma, Resul Aksoy, Emre Selvi and Jagdev-Singh Sandhu, X-ray diffraction measurements of chromite under high pressure, Study of Matter at Extreme Conditions (SMEC) Conference, 17-21 April 2005, Miami, Florida. C4. Yanzhang Ma, X-ray diffraction measurements in a rotational diamond anvil cell, Study of Matter at Extreme Conditions (SMEC) Conference, 17-21 April 2005, Miami, Florida. Book Chapter (1) B1. Y. Ma, M. Somayazulu, G. Shen, H.-k. Mao, J.F. Shu, and R.J. Hemley, In situ X-ray diffraction studies of iron to Earth’s Core Conditions, in New Developments in High-pressure Minerals Physics and Applications to the Earth’s Interior, edited by D.C. Rubie, T.S. Duffy and E. Ohtani (Elsevier, Amsterdam, 2005), p. 455-467. 2004 Journal Publications(3) J5. V. Levitas, J. Hashemi, and Y.Z. Ma, Strain-induced disorder and phase transformation in hexagonal boron nitride under quasi-homogeneous pressure: in-situ X-ray study in a rotational diamond anvil cell, Europhysics Letters 68, 550-556 (2004). j4. Q. Zhou, Y.Z. Ma, Q. Cui, T. Cui, J. Zhang, Y. Xie, K. Yang, and G. Zou, Raman scattering system for laser heated diamond anvil cell, Rev. Sci. Instr., 75, 2432 (2004). J3. Y.Z. Ma, M. Somayazulu, G. Shen, H.K. Mao, J.F. Shu, and R.J. Hemley, In situ x-ray diffraction of iron to Earth-core conditions, Phys. Earth Planet. Inter., 143-144C, 455 (2004). 2003 Journal Publications(1) J2. Y.Z. Ma, C.T. Prewitt, G.T. Zou, H.K. Mao, and R.J. Hemley, High-pressure high temperature X-ray diffraction of ?-boron to 30 GPa, Phys. Rev. B, 67, 174116-1 (2003). Conference Proceeding and Abstract (1) C3. Synthesis of superhard phases of boron nitride in a rotational diaomond anvil cell, Valery Levitas, Javad Hashemi, Yanzhang Ma, William Mathis, and Mark Holtz, American Physical Society Spring meeting, Austin Texas (2003). 2002 Journal Publications(1) J1. W. Luo, Y.Z. Ma, G.T. Zou, H.K. Mao, Z.C. Wang, and Y.Wang, High-pressure synchrotron studies on TiO2-II nanocrystallite doped with SnO2, J. Phys.: Condensed Matter, 14, 11069-11075 (2002). Conference Proceeding and Abstract (2) C2. Y. Ma, V. Levitas, J. Hashemi, W. Mathis, and M. Holtz, X-ray diffraction study of superhard BN phases synthesized in a rotational diamond anvil cell, Brookhaven National Laboratory Year Book, (2002). C1 Levitas, J. Hashemi, W. Mathis, M. Holtz, and Y. Ma, Synthesis of Superhard Phases of Boron Nitride in a Rotational Diamond Anvil Cell, Brookhaven National Laboratory Year Book, (2002). Before 2001 1. G.T. Zou, Y.Z. Ma, H.K. Mao, R.J. Hemley, and S.A. Gramsch, A diamond gasket for the laser-heated diamond anvil cell, Rev. Sci. Instr. 72, 1298(2001). 2. Y.Z. Ma, H.K. Mao, R.J. Hemley, and S.A. Gramsch, Two-dimensional energy dispersive x-ray diffraction at high pressure and temperature, Rev. Sci. Instr. 72, 1302(2001). 3. Y.Z. Ma, S. Maduryzulu, H.K. Mao, R.J. Hemley, G. Shen, and M. River, Phase diagram study of iron too 160 GPa and 3000 K, American Physical Society Spring meeting, Minneapolis MN, (2000). 4. K. Hirose, Y. Fei, Y.Z. Ma and H.K. Mao, The fate of subducted basaltic crust in the Earth’s lower mantle, Nature, 397, 53(1999). 5. T.S. Duffy, G. Shen, D.L. Heinz, J. Shu, Y.Z. Ma, H.K. Mao, R.J. Hemley, and A.K. Singh, Lattice strain in gold and rhenium under nonhydrostatic compression to 37 GPa, Phys. Rev. B 60, 15063(1999). 6. R. Hemley, H Mao, M Somayazulu, Y Ma, P McMillan, G Wolf, Investigations of new ceramic materials at high pressures and temperatures, Y. Bando, Ed., Advanced Materials '99: New Semiconducting Materials: Diamond and Related Materials, p. 15-16, sponsored by Symp. Adv. Materials (ISAM '99). Natl. Inst. Res. Inorg. Materials (1999). 7. T.S. Duffy, G. Shen, D.L. Heinz, Y.Z. Ma, R. J. Hemley, H.K. Mao and A.K. Sigh, Latice stains in gold and rhenium unde non-hydrostatic comprassion, High Pressure Material Research, R.M. Wentzcovitch and et al., ed., pp.145-150, Symposium Proceedings Vol. 499, Materials Research Society, Warrendale, Pennsylvania, (1998). 8. High P,T study of Fe2O3, Y.Z. Ma, H.K. Mao, R.J. Hemley, IUCR conference, Chicago, (1998). 9. Y.Z. Ma, S. Maduryzulu, H.K. Mao, and R.J. Hemley, New approach of DAC laser heating technique, High Pressure Research Golden Conference, (1998). 10. Y.Z. Ma, M. Somayazulu, J. Hu, J.F. Shu, H.K. Mao, R.J. Hemley Elasticity behavior of FeO at high P,T conditions: A powder X-ray diffraction study, Brookhaven National Laboratory Year Book, (1997). 11. M.S. Somayazulu, Y.Z. Ma, Powder Diffraction for Anistropic compression measurements at high pressure, Brookhaven National Laboratory Year Book, (1997). 12. K. Hirose, Y.Z. Ma, H. Mao, and Y. Fei, Melting of mid-oceanic ridge basalt in the lower mantle, Conference of Material Recycling Near Convergent Plate Boundaries, Philippine, (1997). 13. Y.Z. Ma, H.K. Mao, R.J. Hemley, C.T. Prewitt, G.T. Zou, Phase transition of -boron under high pressure and high temperature, Material Research Society Fall Conference, Boston, (1997). 14. Yanzhang Ma, and Guantian Zou, Fullerenes transition to diamond under high pressure and high temperature, Joint XV AIRAPT &XXXIII EHPRG International Conference, Poland, Invited paper, (1995). 15. Yuanbin Chi, Yanmei Li, Lizhong Wang, and Yanzhang Ma, Photo luminescence and Raman spectrum of Zn1-xCdxSe-ZnSe superlattice under high pressure, Joint XV AIRAPT &XXXIII EHPRG International Conference, Poland, (1995). 16. Guantian Zou and Yanzhang Ma, Phase transition of fullerenes under high pressure and high temperature: a mechanism study, The Second China-Japan High Pressure Seminar, Japan, (1995). 17. Yanzhang Ma, Jinfang Meng, Guangtian Zou, and Yuanbin Chi, Studies on fluorescence spectrum of pyrophyllite phase transformation under high temperature and pressure, Chinese Journal of High Pressure Physics, 9 (2), 144 (1995). 18. Yanzhang Ma, Chunxiao Gao, Guantian Zou, and Qiliang Cui, Effects of SiO2 on the synthesis of diamond, Proceeding of ’94 China Material Science Conference, Beijing, (1994). 19. Yanzhang Ma, Guantian Zou, Haibin Yang, and Jinfang Meng, Conversion of fullerenes to diamond under high pressure and high temperature, Appl. Phys. Lett. 65(7), 822 (1994). 20. Jinfang Meng, Guangtian Zou, Yanzhang Ma, Xiaohui Wang, and Muyu Zhao, Temperature-induced phase transition and morphotropic phas boundary in the nanocrystalline Pb1-xSrxTiO3 system, J. Phys.: Condens. Matter 6, 6549 (1994). 21. Jinfang Meng, Guangtian Zou, Yanzhang Ma, and Qiliang Cui, ‘Soft opticle phonons’ and the structure transition of bismuth titanate system doped with Nd and Sb, Phsica B 203, 186 (1994). 22. Yanzhang Ma, Guantian Zou, Chunxiao Gao, and Qiliang Cui, Effect of the precipitation of SiO2 in pyrophyllite on diamond synthesis, Superhard Materials and Engineering, No. 3, 1 (1994). 23. Yanzhang Ma, Jinfang Meng, and Guangtian Zou, Fluorescent spectrum of pyrophyllite and its phase transition Proceeding of ’94 China Material Science Conference, Beijing, (1994). 24. Yanzhang Ma, Guantian Zou, Haibin Yang, and Jinfang Meng, Transition of fullerenes to diamond, Chinese Journal of High Pressure Physics, supplementary issue (1993). 25. Yanzhang Ma, Jinfang Meng, Guantian Zou, and Haibin Yang, Raman study of synthesized diamond from fullerenes, Chinese Journal of High Pressure Physics, supplementary issue (1993). 26. Yanzhang Ma, Guantian Zou, Haibin Yang, and Jinfang Meng, Effects of pressure and content of fullerenes on the synthesis of diamond, Chinese Journal of High Pressure Physics, supplementary issue (1993). 27. Guangtian Zou, Jiangping Li, Jinfang Meng, Qiliang Cui, and Yanzhang Ma, Effects of high pressure on the temperature-induced phase transition of Bi4Ti2O12 system, Chinese Journal of High Pressure Physics, supplementary issue (1993).