Journal Papers:

Sr #	Description
1	Structual, Elastic Constant and Vibrational Properties of Wurtzite Gallium Nitride: A First-Principle Approach”, Zahid Usman, Chuanbao Cao, Waheed S. Khan, Tariq Mahmood, Ghulam Nabi and Sajad Hussain. J. Phys. Chem. A, 2011, 115 (50), pp 14502–14509
2	First-Principle Electronic, Elastic, and Optical Study of cubic Gallium Nitride”, Zahid Usman, Chuanbao Cao, Ghulam Nabi, Dou Yan Kun, Waheed S. Khan, Tariq Mehmood and Sajad Hussain, , J. Phys. Chem. A, 2011, 115 (24), pp 6622–6628
3	Effect of electrodeposition and annealing of ZnO on optical and photovoltaic properties of the p-Cu2O/n-ZnO solar cells”. Sajad Hussain, Chuanbao Cao, Ghulam Nabi, Waheed S. Khan, Zahid Usman, Tariq Mahmood. Electrochimica Acta (2011) 56, 8342–8346.
4	High yield preparation of single crystalline Cd metal nanotubes by non-catalytic thermal decomposition route”, Waheed S Khan, Chuanbao Cao, Faheem K Butt, Zulfiqar Ali, Ghulam Nabi, Zahid Usman, Tariq Mahmood, Sajad Hussain, M Tanveer, Solid State Sciences. 2011, 14(6):693 - 697.
5	Synthesis, characterization, growth mechanism, photoluminescence and field emission properties of novel dandelion-like gallium nitride" Ghulam Nabi, Chuanbao Cao, Waheed S. Khan, Sajad Hussain, Zahid Usman, Muhammad Safdar, Sajjad Hussain Shah, Noor Abass Din Khattak, Applied Surface Science, 257(2011):10289-10293
6	Thermal evaporation and condensation synthesis of metallic Zn layered polyhedral microparticles” Waheed S. Khan, Chuanbao Cao, Zahid Usman, Sajad Hussain, Ghulam Nabi, Faheem K. Butt, Zulfiqar Ali, Tariq Mahmood, Niaz Ahmad Niaz Material Research Bulletin, 2011, 46, , 2261-2265
7	Preparation of ZnO Microstructures by Facile Hydrothermal Route, Their PL and PEC Properties" Hussain Sajad, Cao Chuanbao, Nabi Ghulam, Khan Waheed S, Zahid Usman, Butt Faheem K, Ali Zulfiqar, Mahmood Tariq, Current Nanoscience 8(2012):414.
8	Controlled growth of catalyst assisted and catalyst free CdSe micro cactuses with sharply pointed nanorods, their Photoluminescence (PL) and Photo electrochemical (PEC) properties, Zulfiqar Ali, Chuanbao Cao, Sajad Hussain, Waheed S. Khan, Faheem K. Butt, Ghulam Nabi,
9	Synthesis, characterization,photoluminescence and field emission properties of novel durian-like gallium nitride microstructures" Ghulam Nabi, Chuanbao Cao, Waheed S. Khan, Sajad Hussain, Zahid Usman, Tariq Mahmood, Noor Abass Din Khattak, SulingZhao, Xu Xin, Dapeng Yu, Xuewen Fu, Materials Chemistry and Physics. 133(2012):793–798.
10	Effect of Ag doping concentration on the electronic and optical properties of anatase TiO2: a DFT-based theoretical study" Matiullah Khan, Junna Xu, Ning Chen, Wenbin Cao, Asad Ullah, Zahid Usman, D. F. Khan, Research on Chemical Intermediates 39 (2013)1633-1644
11	Elastic, electronic and optical properties of cotunnite TiO2 from first principles calculations, Tariq Mahmood, Chuanbao Cao, Faheem K. Butt, Haibo Jin, Zahid Usman, Waheed S. Khan, Zulfiqar Ali, Muhammad Tahir, Faryal Idrees, Maqsood Ahmed, Physica B. (2012), 407, 4495–4501
12	Preparation of grass-like GaN nanostructures: Its PL and excellent field emission properties”, Ghulam Nabi, Chuanbao Cao, Waheed S Khan, Sajad Hussain, Zahid Usman, Noor Abass Din Khattak, Zulfiqar Ali, Faheem K Butt, Sajjad Hussain Shah, Muhammad Safdar, Materials Letters. 2012, 66(1): 50 – 53
13	Electronic, elastic, optical properties of rutile TiO 2 under pressure: A DFT study”, Tariq Mahmood, Chuanbao Cao, Waheed S Khan, Zahid Usman, Faheem K Butt, Sajad Hussain,” Physica B Condensed Matter, 407(2012) 958-965.
14	Pre-treatment effect of aqueous NH3 on conductivity enhancement and PL properties of GaN nanowires” Ghulam Nabi, Chuanbao Cao, Zahid Usman, Sajad Hussain, Waheed S. Khan, Faheem K. Butt, Zulfiqar Ali, Dapeng Yu, Xuewen Fu. Materials Letters. 70 (2012) 19-22
15	The controllable synthesis, structural, and ferromagnetic properties of Co doped GaN nanowires”, Yanan Li, Zhuo Chen, Chuanbao Cao, Zahid Usman, Yajuan Feng, Zhiyun Pan, Ziyu Wu. Appl. Phys. Lett. 100 (2012), 232404
16	Fabrication and electrical characterization of p-Cu2O/n-ZnO”, heterojunction.,Sajad Hussain, Chuanbao Cao, Waheed S Khan, Ghulam Nabi, Zhuo Chen, Zahid Usman, Zulfiqar Ali, Faheem K Butt, Tariq , Journal of Nanoscience and Nanotechnology 03/2012; 12(3):1967-71
17	Fabrication and photovoltaic characteristics of Cu2O/TiO2 thin film heterojunction solar cell”, Sajad Hussain, Chuanbao Cao, Zahid Usman, Zhuo Chen, Ghulam Nabi, Waheed S. Khan, Zulfiqar Ali, Faheem K Butt, Tariq Mahmood.. Thin Solid films (2012) 11, 522:430-434
18	Photoluminescence and hydrogen storage properties of gallium nitride hexagonal micro-bricks, Ghulam Nabi, Chuanbao Cao, Sajad Hussain, Waheed S. Khan, Tariq Mehmood, Zahid Usman, Zulfiqar Ali, Faheem K. Butt , Yan Fu, Jili Li, M. Zubair Iqbal, Materials Letters, 79 (2012) 212–215.
19	Synthesis, photoluminescence and field emission properties of well aligned/well patterned conical shape GaN nanorods, Ghulam Nabi, Chuanbao Cao, Sajad Hussain, Waheed S. Khan, R. R. Sagar, Zulfiqar Ali, Faheem K.Butt, Zahid Usman and Dapeng Yu, Cryst. Eng. Comm, 14 (2012), 8492–8498.
20	Single crystalline multi-petal Cd nanoleaves prepared by thermal reduction of CdO, Waheed S. Khan, Chuanbao Cao, Imran Aslam, Zulfiqar Ali, Faheem K. Butt, Tariq Mahmood, Ghulam Nabi, Ayesha Ihsan, Zahid Usman, Asma Rehman, Materials Research Bulletin, 48 (2012) 819–822.
21	Hydrogen storage and PL properties of novel Cd/CdO shelled hollow microspheres prepared under NH3 gas environment”, Waheed S. Khan, Chuanbao Cao, Faheem K. Butt, Zulfiqar Ali, Zahid Usman, Ghulam Nabi, Ayesha Ihsan, Asma Rehman, Irshad Hussain, M. Tanveer, Sajad Hussain, ,International Journal of Hydrogen Energy 38(5) ( 2013) 2332-2336.
22	Cu2O/TiO2 nanoporous thin-film heterojunctions: Fabrication and electrical characterization" Sajad Hussain, Chuanbao Cao, Waheed S. Khan, Ghulam Nabi, Zahid Usman, Abdul Majid, Thamer Alharbi, Zulfiqar Ali, Faheem K Butt, Muhammad Tahir, Muhammad Tanveer, Faryal Idress. Materials Science in Semiconductor Processing, (2014) 25, pp 181-185.
23	Improvement of a high velocity compaction technique for iron powder" Dil Faraz Khan, Haiqing Yin, Zahid Usman, Matiullah Khan, Xianjie Yuan, Wenhao Wang, Xuanhui Qu. Acta Metallurgica Sinica, 2013, 26, 4.
24	Effect of Spark Plasma Sintering Temperature on Microstructures and Properties of Copper-Diamond Composites, Abdul Rehman Khan Niazi, Li Shukui, Wang Yingchun, Liu Jinxu 1,d, Hu Zhiyu, Zahid Usman, Advanced Materials Research, Vol 683 (2013) pp 573-576
25	Electronic, elastic, acoustic and optical properties of cubic TiO2:A DFT approach, Tariq Mahmood, Chuanbao Cao, Muhammad Tahir, Faryal Idrees, Maqsood Ahmed, M. Tanveer,, Imran Aslam, Zahid Usman, Zulfiqar Ali, Sajad Hussain, Physica B 420 (2013) 74–80
26	Influence of tungsten doping concentration on the electronic and optical properties of anatase TiO2 , Matiullah Khan, Wenbin Cao, Ning Chen, Zahid Usman, Dil Faraz Khan, Arbab Mohammad Toufiq, Murad Ali Khaskheli, Current Applied Physics, 13 (2013) 1376-1382.
27	Thermo Physical Properties of Copper/Diamond Composites Fabricated by Spark Plasma Sintering, A.R. Niazi, Li Shukui, Wang Yingchun, Hu Zhiyu, ,Zahid Usman, Advanced Materials Research, 712-715 (2013) pp 208-212.
28	Pressure based First-principles Study of the Electronic, Elastic, Optic and Phonon properties of Zincblende InN”, Zahid Usman, Chuanbao Cao, Tariq Mahmood, Physica B: Condense Matter, 2013, 430, pp 67-73
29	Effect of Charge state on magnetic, electronic and optical properties due to doping of Ni in wurtzite InN”. Zahid Usman, Chuanbao Cao, Waheed Khan. J. Phys. Chem. A, 2013, 117 (27), pp 5650–5654
30	Parameters optimization of electroless deposition of Cu on Cr-coated diamond”, A. R. Niazi, Shu-kui Li, Ying-chun Wang, Jin-xu Liu, Zhi-yu Hu, Zahid Usman, Trans. Nonferrous Met. Soc. China, (2014) 24, 136-145
31	Elastic, electronic and optical properties of baddeleyite TiO2 by first-principles, Tariq Mahmood, Chuanbao Cao, Abrar Ahmed Zafar, Talab Hussain, Maqsood Ahmed, M.A. Saeed, Zahid Usman, Waheed S. Khan, Materials Science in Semiconductor Processing, (2014), 27, 958–965.
32	Effect of films morphology on the performance of Cu2O PEC solar cells”, Sajad Hussain, Chuanbao Cao, Zahid Usman, Ghulam Nabi, Faheem K. Butt, K. Mahmood, A. Ali, M.I. Arshad, N. Amin, Optik, 2018, 172, 72-78
33	Structural, Electronic and Optical Properties of Copper-doped SrTiO3 Perovskite: A DFT Study”, Muhammad Rizwan, Adnan Ali, Zahid Usman, N. R. Khalid, H. B. Jin, C. B. Cao, Physica B: Condensed Matter, 2019, 552, , Pages 52-57.
34	Length dependent performance of Cu2O/ZnO nanorods solar cells“ S. Hussaina, Jolly Jacob, Zahid Usman, K. Mahmood, A. Ali, M.I. Arshad, Waheed S. Khan, Z. Farooq, M.U. Farooq, A. Ashfaaq, U. Rehman, Superlattices and Microstructures, 2019, 126, pp 181–185.
35	Implementation of Magnesium Doping in SrTiO3 for Correlating Electronic, Structural and Optical Properties: A DFT Study, Muhammad Rizwan, Maida Anwar, Zahid Usman, M.Shakeel, S. S. A. Gillani, H. B. Jin, C. B. Cao, 2019, Chinese Journal of Physics, 62, 388-394.
36	Gap modulation effect on electronic and optical properties in PbTio3 under stress: A DFT Study. Muhammad Rizwan, Rabia Bibi, Tariq Mahmood, Imran Aslam, S. S. A. Gillani,H. B. Jin, C.B. Cao, Zahid Usman, European Journal of Physics, 88, 10501 (2019)
37	Electronic and Optical behaviour of Lanthanum Doped CaTiO3 Perovskite, Muhammad Rizwan, Zahid Usman, Muhammad Shakil1, S. S. A. Gillani et.al (Just accepted manuscript) Mater. Res. Express (2020)