| 研究生: |
鍾松畛 Chung, Sung-Chen |
|---|---|
| 論文名稱: |
P型氮化鎵金屬歐姆接觸特性之研究 The Study of metal Ohmic Contact property to p-type GaN |
| 指導教授: |
林文台
Lin, Wen-Tai |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 材料科學及工程學系 Department of Materials Science and Engineering |
| 論文出版年: | 2004 |
| 畢業學年度: | 92 |
| 語文別: | 中文 |
| 論文頁數: | 56 |
| 中文關鍵詞: | 氮化鎵 、氧化歐姆接 |
| 外文關鍵詞: | GaN, Oxidized Ohmic Contacts |
| 相關次數: | 點閱:42 下載:2 |
| 分享至: |
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探討Cu 和Co 層氧化對於p-GaN 上產生Au 的歐姆接觸的影響。在空氣中退火400℃-500℃其Au/Cu/p-GaN 和Cu/Au/p-GaN 都會轉變成CuO/Au/p-GaN 的結構而且也會產生歐姆特性,其特徵接觸電阻可以低到5.84×10-3Ω-cm2。Au/Cu/p-GaN、Cu/Au/ p-GaN 試片在空氣中退火後其在p-GaN 表面上的C 污染物會被移除同時O 原子會往內部擴散而Ga 和N會往外擴散到Au 層。由於產生Au-Ga 固溶體和GaO 造成Ga 原子較往外擴散。於p-GaN 上Au/Cu、Cu/Au 氧化形成歐姆接觸主要歸因於由於產生CuO 促進GaN 表面上C 污染物的移除和Ga 往外擴散到Au 層。然而在Au/Co/p-GaN、Co/Au/ p-GaN 試片上不能產生歐姆接觸歸因於Au/p-GaN的界面間有殘留的Co 氧化物。
Effects of oxidized Cu and Co layers on the formation of Au ohmic contacts to p-GaN were explored. Upon annealing at a temperature of 400-500℃ in air Au/Cu/p-GaN and Cu/Au/p-GaN samples transformed to the CuO/Au/p-GaN structures and showed the ohmic behavior. The specific contact resistance as low as 5.84×10-3 Ω-cm2 could be reached. For the air-annealed Au/Cu/p-GaN and Cu/Au/p-GaN samples the removal of carbon contamination at the p-GaN surface occurred concurrently with the indiffusion of oxygen atoms and the outdiffusion of Ga and N atoms to the Au layer. Thefavorite outdiffusion of Ga was induced by the formation of Au-Ga solid solution and GaO. The formation of oxidized Au/Cu and Cu/Au ohmic
contacts to p-GaN can be mainly attributed to the removal of carbon contamination at the GaN surface and the favorite outdiffusion of Ga atoms to the Au contact layer, both of which are promoted by the formation of CuO.For the air-annealed Au/Co/p-GaN and Co/Au/p-GaN samples the failure in the formation of Au ohmic contacts to p-GaN can be ascribed to formation ofCo oxide at the interface of Au/p-GaN.
[ 1 ]W. C. Johnson, J. B. Parsons, and M. C. Crew, ,J. Phys. Chem. 36,2651(1932).
[ 2 ]H. P. Maruska and J. J. Tietjen, , Appl. Phys. Lett. 15 ,327(1969)
[ 3 ]J.I.Pankove,E.A.Miller,D.Richman, and J. E. Berkeyheiser, , RCA Review 32
,383(1971)
[ 4 ]T. Deguchi, D. Ichiryu, K. Toshikawa, K. Sekiguchi, T. Sota, R. Matsuo, T.
Azuhata,M.Yamaguchi, T. Yagi, S. Chichibu, and S. Nakamura, ,J. Appl. Phys.
86,1860 (1999)
[ 5 ]M. E. Lin, S. Strite, A. Agarwal, A. Salvador, G. L. Zhou, N. Teraguchi, A.
Rockett, andH.Morkoc, Appl. Phys. Lett. 62 ,702(1993)
[ 6]A.Kuramata,K.Horino,K.Doneu,K.Shinohara,andT.Tanahashi,Appl.Phys.Lett.67,2521
(1995)
[ 7 ]S. Yoshida, S. Mwasawa and S. Gonda, , Appl. Phys. Lett., 42, 427 (1983)
[ 8 ]I.Askai,H.Amano,Y.Koide,K.Hiramatsu andN.Sawaki,J. Cryst. Growth, 98,
209(1989)
[ 9 ]中村修二, 工業材料, 90 期, 74(1994)
[10]J. H. Edgar, , J. Mater. Res, 7, 235(1992)
[11]H.Amano,M.Kito,K.Hiramatsu and I.Akasaki, , Jpn. J. Appl. Phys., 28, L2112
(1989)
[12]S.Nakamura,N.Isawa, M. Swno and T. Mukai, , Jpn. J. Appl. Phys., 31, L1258
(1992)
[13]S.Nakamura, N. Isawa, M. Swno and T. Mukai, , Jpn. J. Appl. Phys., 31, L139
(1992)
[14]J. S. Foresi and T. D. Moustakas, ,Appl. Phys. Lett.,62, 2859 (1993)
[15]P. Dass and D. K. Ferry, , Solid-State Electron., 19,851 (1976)
[16]史光國, 工業材料,126 期, 154(1997)
[17]M. S. Shur and M. A. Khan, , Mater. Sci. and Eng. B,46, 69(1997)
[18]M.A. Khan,J.N. Kuznia,A.R.Bhattarai,and D.T.Oslon,Appl.Phys.Lett.62,1786
(1993)
[19]S. Nakamura, T. Mukai, and M. Senoh, ,Appl. Phys. Lett. 64, 1687 (1994)
[20]陳澤澎, 工業材料, 123 期, 74(1997)
[21]S.Y. Kim and J.L.Lee, Electro.and Solid-State Lett., 7 ,G102 (2004)
[22]T. Mukai, D. Morita, and S. Nakamura, “, J. Cryst. Growth 189/190, 778(1998)
[23]T.Mukai,H. Narimatsu,and S. Nakamura, ,Jpn. J. Appl. Phys., Part 2 37, L479
(1998)
[24]S. Nakamura, Semicond.,Sci. Technol. 14,R27(1999)
[25]M. A. Khan, J. N. Kuznia, D. T. Oslon,W.J.Schaff, J.W.Burm, and .S.Shur,Appl.
Phys.Lett. 65, 1121 (1994)
[26]M. A. Khan, J. N. Kuznia, D. T. Olson, M. Blasingame, and A. R. Bhattarai, ,Appl. Phys.Lett. 60, 2917 (1992)
[27]F. Ren,C.R.Abernathy,J.M.Van Hove,P.P.Chow,R.Hickman, J. J.Klaasen, R. F.
Kopf, H.Cho, K. B. Jung, J. R. La Roche, R. G. Wilson, J. Han, R. J. Shul, A.
G. Baca, and S. J.Pearton, , MRS Internet J. Nitride Semicond. Res.3,41(1998)
[28]紀國鐘, 工業材料, 138期110(1998)
[29]S. Nakamura, T. Mukai, and M. Senoh, ,Appl. Phys. Lett. 64, 1687 (1994)
[30]S. Nakamura, M. Senoh, and T. Mukai, Jpn. J. Appl. Phys. 32 L8 (1993).
[31]中村修二, 工業材料, 97期, 152(1994)
[32]S.J.Cai,R.Li,Y.L.Chen,L.Wong,W.G.Wu,S.G.Thomas,andK.L.Wang,Electron.Lett.34,2354
(1998)
[33]Z.Fan,S.N. Mohammad,W. Kim, O.Aktas, A. E. Botchkarev, and H. Morkoc,”,Appl.
Phys.Lett. 68, 1672 (1996)
[34]M.E.Lin,Z.Ma,F.Y.Huang,Z.F.Fan,L.H.Allen,andH.Morkoc,Appl.Phys.Lett.
64,1003(1994)
[35]S.Ruvimov,Z.Liliental-Weber,J.Washburn,K.J.Duxstad,E.E.Haller,Z.-F.Fan,
S.N.Mohammad,W.Kim,A.E.Botchkarev,andH.Morkoc,Appl.Phys.Lett. 69,1556(1996)
[36]B. P. Luther, S. E. Mohney, T. N. Jackson, M. A. Khan, Q. Chen, and J. W.
Yang,Appl.Phys. Lett. 70,57(1997)
[37]Y.J. Lin, Y.M.Chen, T.J.Cheng, and Q. Ker, J. Appl. Phys 95, 571 (2004)
[38]B.P.Luther,S.E.Mohney,J.M.Delucca,andR.F.Karlicek,Jr.J.Electron.Mater.27,196(1998)
[39]W.Götz,N.M.Johnson,J.Walker,D.P.Bour,and R.A.Street,Appl.Phys. Lett.68, 667
(1996)
[40]T. Mori, T. Kozawa, T. Ohwaki, Y. Taga, S. Nagai, S. Yamasaki, S. Asami, N.
Shibata, and M. Koike, ,Appl. Phys. Lett. 69, 3537 (1996)
[41]L.L.Smith,R.F.Davis,M.J.Kim,R.W.Carpenter,andY.Huang,J.Mater.Res.12,2249
(1997)
[42]K. V. Vassilevski, M. G. Rastegaeva, A. I. Babanin, I. P. Nikitina, and V. A.
Dmitriev, ,MRS Internet J. Nitride Semicond. Res. 1,38(1996)
[43]J. L. Lee, M. Weber, J. K. Kim, J. W. Lee, Y. J. Park, T. Kim, K. Lynh,
,Appl. Phys. Lett. 74,2289(1999)
[44]J. S. Jang, S. J. Park, T. Y. Seong, ,J. Vac. Sci. Technol. B 17, 2667 (1999)
[45]M. Suzuki, T. Kawakami, T. Arai, S. Kobayashi, Y. Koide, T. Uemura, N.
Shibata, and M.Murakami, ,Appl. Phys. Lett. 74, 275 (1999)
[46]J.L.Lee, J.K.Kim, J.W.Lee, Y.J.Park, and T.I.Kim, Solid-State Electron. 43,
435 (1999)
[47]M.S.Chung, W.T.Lin, and J.R.Gong J.Vac.Sci.Technol. B, 19, 1976 (2001)
[48]J.K.Kim,J.L.Lee,J.W.Lee,H.E.Shin,Y.J.Park,andT.I.Kim,Appl.Phys.Lett.73,
2953(1998)
[49]C.S. Lee, Y.J. Lin, and C.T. Lee, Appl. Phys. Lett. 79 , 3815 (2001)
[50]H. W. Jang, S. Y. Kim, and J.L. Lee, J. Appl. Phys. 94,1748 (2003)
[51]J. K. Sheu ,Y. K. Su, G. C. Chi, P. L. Koh, M. J. Jou, C. M. Chang, C. C.
Liu, and W. C.Hung Appl. Phys.Lett. 74, 2340 (1999)
[52]H.K.Kim, I. Adesida, and T.Y. Seong, J. Vac. Sci. Technol. A, 22, 1101 (2004)
[53]Y. Koide, T. Maeda, T. Kawakami, S. Fujita, T. Uemura, N. Shibata, and M.
Murakami, J.Electron. Mater. 28, 341 (1999).
[54]T. Maeda, Y. Koide, and M. Murakami, Appl. Phys. Lett. 75, 4145 (1999)
[55]J.K.Ho,C.S.Jong,C.C.Chin,C.N.Huang,C.Y.Chen,andK.K.Shih,Appl.Phys.Lett.74,1275
(1999)
[56]L.C. Chen, J.K. Ho, C.S. Jong, C.C. Chiu, K.K. Shih, F.R. Chen, J.J. Kai, and
L. Chang,Appl. Phys. Lett. 76, 3703 (2000)
[57]D.Qiao,L.S.Yu,S.S.Lau,J.Y.Lin,H.X.Jiang,andT.E.Haynes,J. Appl. Phys. 88,4196
(2000)
[58]S. Nakamura, N.Iwasa, M. Senoh, and T. Mukai, Jpn. J. Appl. Phys. 31, 1258
(1992)
[59]W.Gotz N.M Johnson P.P Bour M.DMccluskey,andE.E.Haller,Appl.Phys.Lett.69,3725
(1996)
[60]B.A.Hull,S.E.Mohney,H.S.Venugopalan,andJ.C.Ramer,Appl.Phys.Lett.76,2271(2000).
[61]H. Ishikawa, S. Kobayashi, Y. Koide, S. Yamasaki, S. Nagai, J. Urnezaki, M.
Koike, and M.Murakami, J. Appl. Phys. 81, 1315 (1997).
[62]J.K. Sheu, Y.K. Su, G.C. Chi, P.L. Koh, M.J. Jou, C.M. Chang, C.C. Liu, and
W.C. Hung,Appl. Phys. Lett. 74, 2340 (1999).
[63]J.S. Jang, K.H. Park, H.K. Jang, H.G. Kim, J. Vac. Sci. Technol. B 16, 3105
(1998)
[64]H.W. Jang, S.Y. Kirn, and J.L. Lee, J. Appl. Phys. 94, 1748 (2003)
[65]J. S. Kwak, O.H. Nam, and Y. Park, J. Appl. Phys 95, 5917 (2004)
[66]Y.J. Lin and K.C.Wu, Appl. Phys. Lett., 84, 1501 (2004)
[67]E. H. Rhodetick and R.H.Willian, Metal-Semiconductor Contact, 2nded. Oxford
SciencePubliscations, 12(1988)
[68]Simon.S.Cohen,Metal-SemiconductorContacts And Device, Academic Press,
9-11(1986)
[69]S. M. Sze, Semiconductor Device Physics and Technology, John Wiley and Son
(1985)
[70]G. K. Reeves and H.B. Harrison, Electron. Device Letters, EDL-3, 111,(1982)
[71]J. S. Foresi and T. D. Moustakas, Appl. Phys. Lett., 62, 2859 (1993)
[72]Y.J. Lin, C.D. Tsai, Y.T. Lyu, and C.T.Lee, Appl. Phys. Lett., 77, 687 (2000)
[73]汪建民等人“材料分析”中國材料科學學會,1998
[74]J.Sun,K.A.Rickert,J.M.Redwing,A.B.Ellis,F.J.Himpsel,andT.F.Kuech,Appl.Phys.Lett.,76,
415 (2000)
[75]S. Strite and H. Morkoç, J.Vac. Sci. Technol. B 10,1237 (1992)
[76]A.C. Schmitz, A. T. Ping, M. A. Khan, Q. Chen, J. W. Yang, and I. Adesida,
Journal of Electronic Materials, 27, 4, 255 (1998)
[77]J.Chastain and R. C.King, Jr., Handbook of X-ray Photoelectron Spectroscopy
(PhysicalElectronics,MN,1995)