[1] J Y Tsao. Ultrawide-bandgap semiconductors: research opportunities and challenges. Adv Electron Mater, 4, 1(2018).
[2]
[3] L J Brillson, Y Lu. ZnO Schottky barriers and Ohmic contacts. J Appl Phys, 109, 8(2011).
[4] M A Borysiewicz, E Kamińska, M Myşliwiec et al. Fundamentals and practice of metal contacts to wide band gap semiconductor devices. Cryst Res Technol, 47, 261(2012).
[5] G M Ali. Interdigitated extended gate field effect transistor without reference electrode. J Electron Mater, 46, 713(2017).
[6] A B Yadav, A Pandey, S Jit. Pd Schottky contacts on sol –gel derived ZnO. IEEE Electron Device Lett, 35, 729(2014).
[7] D Somvanshi, S Jit. Analysis of temperature-dependent electrical characteristics of n-ZnO Nanowires (NWs)/p-Si heterojunction diodes. IEEE Trans Nanotechnol, 13, 62(2014).
[8] S Roy, S Das, C K Sarkar. Investigation of nanostructured Pd–Ag/n-ZnO thin film based Schottky junction for methane sensing. Int Nano Lett, 6, 199(2016).
[9]
[10] C A Mead. Surface barriers on ZnSe and ZnO. Phys Lett, 18, 218(1965).
[11] R C Neville, C A Mead. Surface barriers on zinc oxide. J Appl Phys, 41, 3795(1970).
[12] D Somvanshi, S Jit. Effects of Sn and Zn seed layers on the electrical characteristics of Pd/ZnO thin-film Schottky diodes grown on n-Si substrates. IEEE Electron Device Lett, 35, 945(2014).
[13] G M Ali, P Chakrabarti. Fabrication and characterization of thin film ZnO Schottky contacts based UV photodetectors: A comparative study. J Vac Sci Technol B, 30, 031206(2012).
[14] S Singh, P Chakrabarti. Comparison of the structural and optical properties of ZnO thin films deposited by three different methods for optoelectronic applications. Superlattices Microstruct, 64, 283(2013).
[15] D Somvanshi, S Jit. Effect of ZnO seed layer on the electrical characteristics of Pd/ZnO thin-film-based schottky contacts grown on n-Si substrates. IEEE Trans Nanotechnol, 13, 1138(2014).
[16] S Sharma, S Vyas, C Periasamy et al. Structural and optical characterization of ZnO thin films for optoelectronic device applications by RF sputtering technique. Superlattices Microstruct, 75, 378(2014).
[17] S Baruah, J Dutta. Hydrothermal growth of ZnO nanostructures. Sci Technol Adv Mater, 10, 013001(2009).
[18] H Zhang, W Chen, Y Li et al. 3D flower-like NiO hierarchical structures assembled with size-controllable 1D blocking units: Gas sensing performances towards. Acetylene, 6, 1(2018).
[19] A Gokarna, N R Pavaskar, S D Sathaye et al. Electroluminescence from heterojunctions of nanocrystalline CdS and ZnS with porous silicon. J Appl Phys, 92, 2118(2002).
[20] G M Ali, A D D Dwivedi, S Singh et al. Interface properties and junction behavior of Pd contact on ZnO thin film grown by vacuum deposition technique. Phys Status Solidi C, 7, 252(2010).