|
[1] S. P. Murarka and S. W. Hymes, “Copper metallization for ULSL and beyond”, Critical Reviews in Solid State and Material Sciences, 20 (1995) 87-124 [2] R. S. Muller, T. I. Kamins, M. Chan, and P. K. Ko, “Device electronics for integrated circuits”, (1986) [3] K. H. Min, K. C. Chun, and K. B. Kim, “Comparative study of tantalum and tantalum nitrides (Ta2N and TaN) as a diffusion barrier for Cu metallization”, Journal of Vacuum Science & Technology B, 14 (1996) 3263-3269 [4] T. Kouno, H. Niwa, and M. Yamada, “Effect of TiN microstructure on diffusion barrier properties in Cu metallization”, Journal of The Electrochemical Society, 145 (1998) 2164-2167 [5] R. Hübner, M. Hecker, N. Mattern, V. Hoffmann, K. Wetzig, H. Heuer, et al., “Effect of nitrogen content on the degradation mechanisms of thin Ta–Si–N diffusion barriers for Cu metallization”, Thin Solid Films, 500 (2006) 259-267 [6] S.-H. Kwon, O.-K. Kwon, J.-S. Min, and S.-W. Kang, “Plasma-Enhanced Atomic Layer Deposition of Ru–TiN Thin Films for Copper Diffusion Barrier Metals”, Journal of The Electrochemical Society, 153 (2006) G578-G581 [7] S. Rawal, D. Norton, H. Ajmera, T. Anderson, and L. McElwee-White, “Properties of Ta-Ge-(O) N as a diffusion barrier for Cu on Si”, Applied physics letters, 90 (2007) 51913-51913 [8] P. Majumder and C. G. Takoudis, “Investigation on the diffusion barrier properties of sputtered Mo/WN thin films in Cu interconnects”, Applied Physics Letters, 91 (2007) 162108-162108 [9] X.-P. Qu, J.-J. Tan, M. Zhou, T. Chen, Q. Xie, G.-P. Ru, et al., “Improved barrier properties of ultrathin Ru film with TaN interlayer for copper metallization”, Applied physics letters, 88 (2006) 1912 [10] S.-Y. Chang and D.-S. Chen, “10-nm-thick quinary (AlCrTaTiZr) N film as effective diffusion barrier for Cu interconnects at 900 C”, Applied Physics Letters, 94 (2009) 231909 [11] S.-Y. Chang, C.-Y. Wang, M.-K. Chen, and C.-E. Li, “Ru incorporation on marked enhancement of diffusion resistance of multi-component alloy barrier layers”, Journal of Alloys and Compounds, 509 (2011) L85-L89 [12] S.-Y. Chang and D.-S. Chen, “Ultrathin (AlCrTaTiZr) N x/AlCrTaTiZr bilayer structures with high diffusion resistance for Cu interconnects”, Journal of The Electrochemical Society, 157 (2010) G154-G159 [13] S.-Y. Chang, C.-E. Li, S.-C. Chiang, and Y.-C. Huang, “4-nm thick multilayer structure of multi-component (AlCrRuTaTiZr) N x as robust diffusion barrier for Cu interconnects”, Journal of Alloys and Compounds, 515 (2012) 4-7 [14] S. P. Murarka, “Multilevel interconnections for ULSI and GSI era”, Materials Science and Engineering: R: Reports, 19 (1997) 87-151 [15] R. Rosenberg, D. Edelstein, C.-K. Hu, and K. Rodbell, “Copper metallization for high performance silicon technology”, Annual review of materials science, 30 (2000) 229-262 [16] Y. Shacham-Diamand and S. Lopatin, “Integrated electroless metallization for ULSI”, Electrochimica Acta, 44 (1999) 3639-3649 [17] A. Noya and K. Sasaki, “Auger Electron Spectroscopy Study on the Characterization and Stability of the Cu9Al4/TiN/Si System”, Japanese journal of applied physics, 30 (1991) L1760 [18] M. Stavrev, D. Fischer, A. Preuß, C. Wenzel, and N. Mattern, “Study of nanocrystalline Ta (N, O) diffusion barriers for use in Cu metallization”, Microelectronic engineering, 33 (1997) 269-275 [19] T. Oku, E. Kawakami, M. Uekubo, K. Takahiro, S. Yamaguchi, and M. Murakami, “Diffusion barrier property of TaN between Si and Cu”, Applied Surface Science, 99 (1996) 265-272 [20] J. Fang, J. Lin, B. Chen, and T. Chin, “Ultrathin Ru–Ta–C Barriers for Cu Metallization”, Journal of The Electrochemical Society, 158 (2011) H97-H102 [21] J.-S. Fang, C.-F. Chiu, J.-H. Lin, T.-Y. Lin, and T.-S. Chin, “Failure Mechanism of 5 nm Thick Ta–Si–C Barrier Layers Against Cu Penetration at 750–800° C”, Journal of The Electrochemical Society, 156 (2009) H147-H152 [22] B. Liu, J. Chen, X. Li, K. Wang, M. Li, D. Zhao, et al., “Investigation of amorphous Ni–Al–N film as diffusion barrier between Cu and SiO 2”, Journal of Alloys and Compounds, 509 (2011) 8093-8096 [23] Y.-L. Kuo, F.-C. Kung, and T.-L. Su, “Superior Stability of Ultrathin and Nanocrystalline TiZrN Films as Diffusion Barriers for Cu Metallization”, Nanoscience and Nanotechnology Letters, 1 (2009) 37-41 [24] W. Sari, T.-K. Eom, S.-H. Choi, and S.-H. Kim, “Ru/WNx Bilayers as Diffusion Barriers for Cu Interconnects”, Japanese Journal of Applied Physics, 50 (2011) 05EA08 [25] C.-X. Yang, S.-J. Ding, D. W. Zhang, P.-F. Wang, X.-P. Qu, and R. Liu, “Improvement of Diffusion Barrier Performance of Ru Thin Film by Incorporating a WHfN Underlayer for Cu Metallization”, Electrochemical and Solid-State Letters, 14 (2011) H84-H87 [26] B. Zhao, K. Sun, Z. Song, and J. Yang, “Ultrathin Mo/MoN bilayer nanostructure for diffusion barrier application of advanced Cu metallization”, Applied Surface Science, 256 (2010) 6003-6006 [27] S.-H. Kim, H. T. Kim, S.-S. Yim, D.-J. Lee, K.-S. Kim, H.-M. Kim, et al., “A bilayer diffusion barrier of ALD-Ru/ALD-TaCN for direct plating of Cu”, Journal of The Electrochemical Society, 155 (2008) H589-H594 [28] D.-C. Perng, J.-B. Yeh, and K.-C. Hsu, “Ru/WCoCN as a seedless Cu barrier system for advanced Cu metallization”, Applied Surface Science, 256 (2009) 688-692 [29] K.-C. Hsu, D.-C. Perng, and Y.-C. Wang, “Robust ultra-thin RuMo alloy film as a seedless Cu diffusion barrier”, Journal of Alloys and Compounds, 516 (2012) 102-106 [30] P. Majumder and C. Takoudis, “Reactively sputtered Mo–V nitride thin films as ternary diffusion barriers for copper metallization”, Journal of The Electrochemical Society, 155 (2008) H703-H706 [31] Y.-L. Kuo, C. Lee, J.-C. Lin, Y.-W. Yen, and W.-H. Lee, “Evaluation of the thermal stability of reactively sputtered (Ti, Zr) N x nano-thin films as diffusion barriers between Cu and Silicon”, Thin Solid Films, 484 (2005) 265-271 [32] Q. Xie, Y.-L. Jiang, K. De Keyser, C. Detavernier, D. Deduytsche, G.-P. Ru, et al., “The effect of sputtered W-based carbide diffusion barriers on the thermal stability and void formation in copper thin films”, Microelectronic Engineering, 87 (2010) 2535-2539 [33] J. Chu, T. Yu, C. Wu, C. Lin, S. Wang, and Q. Chen, “Ultrathin diffusion barrier for copper metallization: A thermally stable amorphous rare-earth scandate”, Journal of The Electrochemical Society, 157 (2010) H384-H388 [34] L. Leu, D. Norton, L. McElwee-White, and T. Anderson, “Ir/TaN as a bilayer diffusion barrier for advanced Cu interconnects”, Applied Physics Letters, 92 (2008) 111917-111917 [35] P. Majumder and C. Takoudis, “Thermal stability of Ti/Mo and Ti/MoN nanostructures for barrier applications in Cu interconnects”, Nanotechnology, 19 (2008) 205202 [36] J. W. Yeh, S. K. Chen, S. J. Lin, J. Y. Gan, T. S. Chin, T. T. Shun, et al., “Nanostructured high‐entropy alloys with multiple principal elements: novel alloy design concepts and outcomes”, Advanced Engineering Materials, 6 (2004) 299-303 [37] A. L. Greer, “Confusion by design”, Nature: International weekly journal of science, 366 (1993) 303-304 [38] Metals Handbook, 1992. [39] Y. Zhang, T. T. Zuo, Z. Tang, M. C. Gao, K. A. Dahmen, P. K. Liaw, et al., “Microstructures and properties of high-entropy alloys”, Progress in Materials Science, 61 (2014) 1-93 [40] B. Murty, J.-W. Yeh, and S. Ranganathan, High-entropy alloys: Butterworth-Heinemann, 2014. [41] O. Senkov, G. Wilks, D. Miracle, C. Chuang, and P. Liaw, “Refractory high-entropy alloys”, Intermetallics, 18 (2010) 1758-1765 [42] A. Inoue, “Stabilization of metallic supercooled liquid and bulk amorphous alloys”, Acta materialia, 48 (2000) 279-306 [43] M.-H. Tsai, J.-W. Yeh, and J.-Y. Gan, “Diffusion barrier properties of AlMoNbSiTaTiVZr high-entropy alloy layer between copper and silicon”, Thin Solid Films, 516 (2008) 5527-5530 [44] M.-H. Tsai, C.-W. Wang, C.-H. Lai, J.-W. Yeh, and J.-Y. Gan, “Thermally stable amorphous (AlMoNbSiTaTiVZr) 50N50 nitride film as diffusion barrier in copper metallization”, Applied Physics Letters, 92 (2008) 52109-52109 [45] M.-H. Tsai, C.-W. Wang, C.-W. Tsai, W.-J. Shen, J.-W. Yeh, J.-Y. Gan, et al., “Thermal stability and performance of NbSiTaTiZr high-entropy alloy barrier for copper metallization”, Journal of the Electrochemical Society, 158 (2011) H1161-H1165 [46] S.-Y. Chang, M.-K. Chen, and D.-S. Chen, “Multiprincipal-element AlCrTaTiZr-nitride nanocomposite film of extremely high thermal stability as diffusion barrier for Cu metallization”, Journal of The Electrochemical Society, 156 (2009) G37-G42 [47] S.-Y. Chang, C.-Y. Wang, C.-E. Li, and Y.-C. Huang, “5 nm-Thick (AlCrTaTiZrRu) N0. 5 Multi-Component Barrier Layer with High Diffusion Resistance for Cu Interconnects”, Nanoscience and Nanotechnology Letters, 3 (2011) 289-293 [48] S.-Y. Chang and D.-S. Chen, “(AlCrTaTiZr) N/(AlCrTaTiZr) N 0.7 bilayer structure of high resistance to the interdiffusion of Cu and Si at 900° C”, Materials Chemistry and Physics, 125 (2011) 5-8 [49] W. D. Callister and D. G. Rethwisch, Materials science and engineering: an introduction vol. 7: Wiley New York, 2007. [50] H. Mehrer, Diffusion in solids: fundamentals, methods, materials, diffusion-controlled processes vol. 155: Springer Science & Business Media, 2007. [51] Y. Zhao and G. Lu, “First-principles simulations of copper diffusion in tantalum and tantalum nitride”, Physical Review B, 79 (2009) 214104 [52] L. Tsetseris, S. Logothetidis, and S. Pantelides, “Migration of species in a prototype diffusion barrier: Cu, O, and H in TiN”, Applied Physics Letters, 94 (2009) 161903 [53] L. Tsetseris, S. Logothetidis, and S. T. Pantelides, “Atomic-scale mechanisms for diffusion of impurities in transition-metal nitrides”, Surface and Coatings Technology, 204 (2010) 2089-2094 [54] Y. Zhang, Y. J. Zhou, J. P. Lin, G. L. Chen, and P. K. Liaw, “Solid‐solution phase formation rules for multi‐component alloys”, Advanced Engineering Materials, 10 (2008) 534-538 [55] A. Miedema, P. De Chatel, and F. De Boer, “Cohesion in alloys—fundamentals of a semi-empirical model”, Physica B+ C, 100 (1980) 1-28 [56] A. Takeuchi and A. Inoue, “Quantitative evaluation of critical cooling rate for metallic glasses”, Materials Science and Engineering: A, 304 (2001) 446-451 [57] M. Danisch, Y. Jin, and H. A. Makse, “Model of random packings of different size balls”, Physical Review E, 81 (2010) 051303 [58] J. Koike and M. Wada, “Self-forming diffusion barrier layer in Cu–Mn alloy metallization”, Applied Physics Letters, 87 (2005) 041911 [59] S. Tsukimoto, T. Morita, M. Moriyama, K. Ito, and M. Murakami, “Formation of Ti diffusion barrier layers in thin Cu (Ti) alloy films”, Journal of electronic materials, 34 (2005) 592-599 [60] Y. Wang, F. Cao, M.-l. Zhang, and T. Zhang, “Property improvement of Cu–Zr alloy films with ruthenium addition for Cu metallization”, Acta Materialia, 59 (2011) 400-404 [61] J. Chu, C. Lin, P. Sun, and W. Leau, “Cu (ReN x) for Advanced Barrierless Interconnects Stable Up To 730° C”, Journal of The Electrochemical Society, 156 (2009) H540-H543 [62] M. He and T.-M. Lu, Metal-dielectric interfaces in gigascale electronics: thermal and electrical stability vol. 157: Springer Science & Business Media, 2012. [63] J. Harper and K. Rodbell, “Microstructure control in semiconductor metallization”, Journal of Vacuum Science & Technology B, 15 (1997) 763-779 [64] S. Hong, S. Lee, H. Yang, H. Lee, Y. Ko, H. Hong, et al., “Effects of the dissolved oxygen in Ti films on Ti reactions in Cu/Ti/SiO2/Si system upon annealing”, Semiconductor science and technology, 19 (2004) 1315 [65] S. Tsukimoto, T. Kabe, K. Ito, and M. Murakami, “Effect of annealing ambient on the self-formation mechanism of diffusion barrier layers used in Cu (Ti) interconnects”, Journal of electronic materials, 36 (2007) 258-265 [66] J. C. Chuang, S. L. Tu, and M. C. Chen, “Sputtered Cr and reactively sputtered CrN x serving as barrier layers against copper diffusion”, Journal of The Electrochemical Society, 145 (1998) 4290-4296 [67] J.-P. Manaud, A. Poulon, S. Gomez, and Y. Le Petitcorps, “A comparative study of CrN, ZrN, NbN and TaN layers as cobalt diffusion barriers for CVD diamond deposition on WC–Co tools”, Surface and Coatings Technology, 202 (2007) 222-231 [68] X. Dai, L. Zhang, Z. Feng, X. Li, J. Guo, Y. Fu, et al., “Barrier performance of ultrathin amorphous Nb–Ni film between copper and silicon”, Materials Letters, 159 (2015) 94-97 [69] C.-W. Chen, J.-S. Chen, and J.-S. Jeng, “Improvement on the Diffusion Barrier Performance of Reactively Sputtered Ru–N Film by Incorporation of Ta”, Journal of The Electrochemical Society, 155 (2008) H438-H442 [70] M. Damayanti, T. Sritharan, S. Mhaisalkar, and Z. Gan, “Effects of dissolved nitrogen in improving barrier properties of ruthenium”, Applied physics letters, 88 (2006) 4101 [71] M. Wang, Y. Lin, and M. Chen, “Barrier properties of very thin Ta and TaN layers against copper diffusion”, Journal of The Electrochemical Society, 145 (1998) 2538-2545 [72] M. B. Takeyama, T. Itoi, and A. Noya, “Evolution of Microstructures in Nanocrystalline VN Barrier Leading to Failure in Cu/VN/SiO2/Si Systems”, Japanese Journal of Applied Physics, 49 (2010) 05FA05 [73] T. Massalski, “Binary alloy phase diagrams American Society for Metals, 1990”, Metals Park, OH: American Society for Metals, [74] Y. Chen, T. Duval, U. Hung, J. Yeh, and H. Shih, “Microstructure and electrochemical properties of high entropy alloys—a comparison with type-304 stainless steel”, Corrosion science, 47 (2005) 2257-2279 [75] D. W. Smith, Inorganic substances: a prelude to the study of descriptive inorganic chemistry: Cambridge university press, 1990. [76] A. Takeuchi and A. Inoue, “Classification of bulk metallic glasses by atomic size difference, heat of mixing and period of constituent elements and its application to characterization of the main alloying element”, Materials Transactions, 46 (2005) 2817-2829 [77] D. B. Butrymowicz, J. R. Manning, and M. E. Read, “Diffusion in Copper and Copper Alloys. Part I. Volume and Surface Self‐Diffusion in Copper”, Journal of Physical and Chemical Reference Data, 2 (1973) 643-656 [78] N. Benouattas, A. Mosser, D. Raiser, J. Faerber, and A. Bouabellou, “Behaviour of copper atoms in annealed Cu/SiO x/Si systems”, Applied surface science, 153 (2000) 79-84
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