Shi et al. Nanoscale Res Lett 2011, 6:50 http://www.nanoscalereslett.com/content/6/1/50 Conclusions In summary, the valence band offset of the InN/dia- mond heterojunction has been measured by XPS. A type-I band alignment with a valence band offset of ΔEv ~ 0.39 ± 0.08 eV and conduction band offset of ΔEc ~ 4.42 eV was obtained. The accurate determination of the band alignment of InN/diamond indicates that the diamond can provide an effective carrier confinement in InN/diamond based electronic devices. Acknowledgements The authors are grateful to Professor Huanhua Wang and Dr. Tieying Yang in the Institute of High Energy Physics, Chinese Academy of Sciences. This work was supported by the 863 High Technology R&D Program of China (Grant Nos. 2007AA03Z402 and 2007AA03Z451), the Special Funds for Major State Basic Research Project (973 program) of China (Grant No. 2006CB604907), and the National Science Foundation of China(Grant Nos. 60506002 and 60776015). Author details 1Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, P. O. Box 912, 100083, Beijing, People’s Republic of China. 2Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 16 Dong Nan Hu Road, 130033, Changchun, People’s Republic of China. Received: 26 July 2010 Accepted: 10 September 2010 Published: 30 September 2010 References 1. Polyakov VM, Schwierz F: Appl Phys Lett 2006, 88:032101. 2. Fu SP, Chen YF: Appl Phys Lett 2004, 85:1523. 3. Chang Y-M, Chu HW, Shen CH, Chen HY, Gwo S: Appl Phys Lett 2007, 90:072111. 4. Bhuiyan AG, Hashimoto A, Yamamoto A: J Appl Phys 2003, 94:2779. 5. Mahmood ZH, Shah AP, Kadir A, Gokhale MR, Ghosh S, Bhattacharya A, Arora BM: Appl Phys Lett 2007, 91:152108. 6. Wu C-L, Shen C-H, Gwo S: Appl Phys Lett 2006, 88:032105. 7. Davydov VY, et al: Phys Stat Sol B 2002, 234:787. 8. Haller EE, Lu H, Schaff WJ: Phys Rev B 2002, 66:201403. 9. Wu J, Walukiewicz W, Yu KM, Shan W, Ager JW, Haller EE, Lu H, Schaff WJ, Metzger WK, Kurtz S: J Appl Phys 2003, 94:6477. 10. Shih CF, Chen NC, Chang CA, Liu KS: Jpn J Appl Phys 2005, 44:L140. 11. Zheng XH, Chen H, Yan ZB, Li DS, Yu HB, Huang Q, Zhou JM: J Appl Phys 2004, 96:1899. 12. Enya Y, Yoshizumi Y, Kyono T, Akita K, Ueno M, Adachi M, Sumitomo T, Tokuyama S, Ikegami T, Katayama K, Nakamura T: Appl Phys Express 2009, 2:082101. 13. Che SB, Mizuno T, Wang X, Ishitani Y, Yoshikawa A: J Appl Phys 2007, 102:083539. 14. Yoshikawa A, Che SB, Yamaguchi W, Saito H, Wang XQ, Ishitani Y, Hwang ES: Appl Phys Lett 2007, 90:073101. 15. Hageman PR, Schermer JJ, Larsen PK: Thin Solid Films 2003, 443:9. 16. Oba M, Sugino T: Jpn J Appl Phys 2000, 39:L1213. 17. Chen J-J, Gila BP, Hlad M, Gerger A, Ren F, Abernathy CR, Pearton SJ: Appl Phys Lett 2006, 88:042113. 18. King PDC, Veal TD, Jefferson PH, McConville CF, Wang T, Parbrook PJ, Lu H, Schaff WJ: Appl Phys Lett 2007, 90:132105. 19. Zhang PF, Liu XL, Zhang RQ, Fan HB, Song HP, Wei HY, Jiao CM, Yang SY, Zhu QS, Wang ZG: Appl Phys Lett 2008, 92:042906. 20. King PDC, Veal TD, Payne DJ, Bourlange A, Egdell RG, McConville CF: Phys Rev Lett 2008, 101:116808. 21. Christou V, Etchells M, Renault O, Dobson PJ, Salata OV, Beamson G, Egdell RG: J Appl Phys 2000, 88:5180. 22. King PDC, Veal TD, Lu H, Hatfield SA, Schaff WJ, McConville CF: Surf Sci 2008, 602:871. Page 5 of 5 23. Egdell RG, Walker TJ, Beamson G: J Electron Spectrosc Relat Phenom 2003, 128:59. 24. Egdell RG, Rebane J, Walker TJ, Law DSL: Phys Rev B 1999, 59:1792. 25. Payne D, Egdell R, Hao W, Foord J, Walsh A, Watson G: Chem Phys Lett 2005, 411:181. 26. Wertheim GK: Chem Phys Lett 1979, 65:377. 27. Campagna M, Wertheim GK, Shanks HR, Zumsteg F, Bank E: Phys Rev Lett 1975, 34:738. 28. Ballutaud D, Simon N, Girard H, Rzepka E, Bouchet-Fabre B: Diam Relat Mater 2006, 15:716. 29. Humbert B, Hellala N, Ehrhardt JJ, Barrat S, Bauer-grosse E: Appl Surf Sci 2008, 254:6400. 30. Wu J, Walukiewicz W, Yu KM, Ager JW III, Haller EE, Lu H, Schaff WJ, Saito Y, Nanishi Y: Appl Phys Lett 2002, 80:3967. 31. Martin G, Botchkarev A, Rockett A, Morkoc H: Appl Phys Lett 1996, 68:2541. doi:10.1007/s11671-010-9796-6 Cite this article as: Shi et al.: Determination of InN/Diamond Heterojunction Band Offset by X-ray Photoelectron Spectroscopy. Nanoscale Res Lett 2011 6:50. Submit your manuscript to a journal and beneﬁt from: 7 Convenient online submission 7 Rigorous peer review 7 Immediate publication on acceptance 7 Open access: articles freely available online 7 High visibility within the ﬁeld 7 Retaining the copyright to your article Submit your next manuscript at 7 springeropen.com