Ohmic-rectifying conversion of Ni contacts on ZnO and the possible determination of ZnO thin film surface polarity

PLoS ONE

Volumn 9, Issue 1, 2014, Pages

  Saw, Kim Guan ^a   Tneh, Sau Siong ^a   Tan, Gaik Leng ^a   Yam, Fong Kwong ^a   Ng, Sha Shiong ^a   Hassan, Zainuriah ^a  

^a SCHOOL OF PHYSICS   (Malaysia)

Author keywords

[No Author keywords available]

Indexed keywords

NICKEL; NICKEL ZINC OXIDE; UNCLASSIFIED DRUG; ZINC OXIDE;

ARTICLE; CHEMICAL ANALYSIS; CHEMICAL MODIFICATION; CHEMICAL PHENOMENA; CRYSTAL; ELECTRIC CURRENT; ELECTRIC POTENTIAL; FILM; MEASUREMENT; SURFACE PROPERTY;

CRYSTALLIZATION; ELECTRIC CONDUCTIVITY; MATERIALS TESTING; NICKEL; SURFACE PROPERTIES; X-RAY DIFFRACTION; ZINC OXIDE;

EID: 84898974442     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0086544     Document Type: Article

References (39)

1. Ozgur U, Hofstetter D, Morkoc H (2010) ZnO devices and applications: a review of current status and future prospects. Proc. IEEE 98: 1255-1268.
2. Ohnishi T, Ohtomo A, Kawasaki M, Takahashi K, Yoshimoto M, et al. (1998) Determination of surface polarity of c-axis oriented ZnO films by coaxial impactcollision ion scattering spectroscopy. Appl. Phys. Lett. 72: 824-826. (Pubitemid 128674063)
3. Sasaki A, Hara W, Matsuda A, Tateda N, Otaka S, et al. (2005) Buffer-enhanced room-temperature growth and characterization of epitaxial ZnO thin films. Appl. Phys. Lett. 86: 231911.
4. Periasamy C, Chakrabarti P (2009) Structural and electrical properties of metal contacts on n-type ZnO thin film deposited by vacuum coating technique. J. Vac. Sci. Technol. B 27: 2124-2127.
5. Kohan AF, Ceder G, Morgan D, de Walle CGV (2000) First-principles study of native point defects in ZnO. Phys. Rev. B 61: 15019-15027.
6. Look DC, Hemsky JW, Sizelove JR (1999) Residual Native Shallow Donor in ZnO. Phys. Rev. Lett. 82: 2552-2555. (Pubitemid 129305488)
7. Vanheusden K, Warren WL, Seager CH, Tallant DR, Voigt JA, et al. (1996) Mechanisms behind green photoluminescence in ZnO phosphor powders. J. Appl. Phys. 79: 7983-7990. (Pubitemid 126626177)
8. de Walle CGV(2000) Hydrogen as a cause of doping in zinc oxide. Phys. Rev. Lett. 85: 1012-1015.
9. Mosbacker HL, Strzhemechny YM, White BD, Smith PE, Look DC, et al. (2005) Role of near-surface states in Ohmic-Schottky conversion of Au contacts to ZnO. Appl. Phys. Lett. 87: 012102.
10. Ip K, Thaler GT, Yang H, Han SY, Li Y, et al. (2006) Contacts to ZnO. J. Crystal Growth 287: 149-156. (Pubitemid 43038839)
11. Brillson LJ, Lu Y (2011) ZnO Schottky barriers and Ohmic contacts. J. Appl. Phys. 109: 121301.
12. Kim HK, Han SH, Seong TY, Choi WK (2000) Low-resistance Ti/Au ohmic contacts to Al-doped ZnO layers. Appl. Phys. Lett. 77: 1647-1649.
13. Sheng H, Muthukumar S, Emanetoglu NW, Lu Y, (2002) Schottky diode with Ag on (1120) epitaxial ZnO film. Appl. Phys. Lett. 80: 2132-2134.
14. Allen MW, Alkaisi MM, Durbin SM (2006) Metal Schottky diodes on Zn-polar and O-polar bulk ZnO. Appl. Phys. Lett. 89: 103520.
15. Yoshihara J, Campbell JM, Campbell CT (1998) Cu films on a Zn-terminated ZnO(0001) surface: structure and electronic properties. Surf. Sci. 406: 235-245. (Pubitemid 128426365)
16. Coppa BJ, Davis RF, Nemanich RJ (2003) Gold Schottky contacts on oxygen plasma-treated, n-type ZnO(0001). Appl. Phys. Lett. 82: 400-402.
17. Ip K, Heo YW, Baik KH, Norton DP, Pearton SJ, et al. (2004) Temperature-dependent characteristics of Pt Schottky contacts on n-type ZnO. Appl. Phys. Lett. 84: 2835-2837.
18. Polyakov AY, Smirnov NB, Kozhukhova EA, Vdovin VI, Ip K, et al. (2003) Electrical characteristics of Au and Ag Schottky contacts on n-ZnO. Appl. Phys. Lett. 83: 1575-1577.
19. Motayed A, Davydov AV, Bendersky LA, Wood MC, Derenge MA, et al. (2002) High-transparency Ni/Au bilayer contacts to n-type GaN. J. Appl. Phys. 92: 5218-5227.
20. Ryu YR, Lee TS, Leem JH, White HW (2003) Fabrication of homostructural ZnO p-n junctions and ohmic contacts to arsenic-doped p-type ZnO. Appl. Phys. Lett. 83: 4032-4034.
21. Sato H, Minami T, Takata S, Yamada T (1993) Transparent conducting p-type NiO thin films prepared by magnetron sputtering. Thin Solid Films 236: 27-31.
22. Ohta H, Hirano M, Nakahara K, Maruta H, Tanabe T, et al. (2003) Fabrication and photoresponse of a pn-heterojunction diode composed of transparent oxide semiconductors, p-Ni and n-ZnO. Appl. Phys. Lett. 83: 1029-1031.
23. Khanna R, Ip K, Heo YW, Norton DP, Pearton SJ, et al. (2004) Thermal degradation of electrical properties and morphology of bulk single-crystal ZnO surfaces. Appl. Phys. Lett. 85: 3468-3470.
24. Kumari SV, Natarajan M, Vaidyan VK, Koshy P (1992) Surface oxidation of nickel thin films. J. Mater. Sci. Lett. 11: 761-762.
25. Secco EA (1960) Decomposition of zinc oxide. Can J. Chem. 38: 596-601.
26. van de Pol FCM, Blom FR, Popma TJA (1991) R.f. planar magnetron sputtered ZnO films I: Structural properties. Thin Solid Films 411: 349-364. (Pubitemid 21719631)
27. Hüpkes J, Owen JI, Pust SE, Bunte E (2012) Chemical etching of zinc oxide for thin-film silicon solar cells. ChemPhysChem 13: 66-73.
28. Endo H, Sugibuchi M, Takahashi K, Goto S, Sugimura S, et al. (2007) Schottky ultraviolet photodiode using a ZnO hydrothermally grown single crystal substrate. Appl. Phys. Lett. 90: 121906.
29. Zhao X, Liu E, Ramanujan RV, Chen J (2012) Effects of rapid thermal annealing on structural, magnetic and optical properties of Ni-doped ZnO thin films. Curr. Appl. Phys. 12: 834-840.
30. Baker BG, Johnson BB, Maire GLC (1971) Photoelectric work function measurements on nickel crystals and films. Surf. Sci. 24: 572-586.
31. Wang ZL, Song J (2006) Piezoelectric nanogenerators based on zinc oxide nanowire arrays. Science 312: 242-246.
32. Rackauskas S, Nasibulin AG, Jiang H, Tian Y, Statkute G, et al. (2009) Mechanistic investigation of ZnO nanowire growth. Appl. Phys. Lett. 95: 183114.
33. Palumbo R, Lede J, Boutin O, Ricart EE, Steinfeld A, et al. (1998) The production of Zn from ZnO in a high-temperature solar decomposition quench process -1. The scientific framework for the process. Chem. Eng. Sci. 53: 2503-2517. (Pubitemid 28403966)
34. Mandalapu LJ, Yang Z, Liu JL (2007) Low resistivity Au/Ni Ohmic contacts to Sb-doped p-type ZnO. Appl. Phys. Lett. 90: 252103.
35. Rambu AP, Ursu L, Iftimie N, Nica V, Dobromir M, et al. (2013) Study on Ni-doped ZnO films as gas sensors. Appl. Surf. Sci. 280: 598-604.
36. Qiu DJ, Wu HZ, Feng AM, Lao YF, Chen NB, et al. (2004) Annealing effects on the microstructure and photoluminescence properties of Ni-doped ZnO films. Appl. Surf. Sci. 222: 263-268.
37. Venugopalan HS, Mohney SE, Luther BP, Wolter SD, Redwing JM (1997) Interfacial reactions between nickel thin films and GaN. J. Appl. Phys. 82: 650-654. (Pubitemid 127566813)
38. Uhlenbrock St, Scharfschwerdt Chr, Neumann M, Illing G, Freund HJ (1992) The influence of defects on the Ni 2p and O 1s XPS of NiO. J. Phys: Condens. Matter 4: 7973-7978.
39. Saw KG, Ibrahim K, Lim YT, Chai MK (2007) Self-compensation in ZnO thin films: An insight from X-ray photoelectron spectroscopy, Raman spectroscopy and time-of-flight secondary ion mass spectroscopy analyses. Thin Solid Films 515: 2879-2884. (Pubitemid 46038471)