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Copper diffusion in Ti–Si–N layers formed by inductively coupled plasma implantation

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Copper diffusion in Ti–Si–N layers formed by inductively coupled plasma implantation
นักวิจัย : Ee, Elden Yong Chiang , Chen, Z. , Law, S. B. , Xu, S. , Yakovlev, N. L. , Lai, M. Y.
คำค้น : DRNTU::Engineering::Materials::Metallic materials
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2549
อ้างอิง : Ee, E. Y. C., Chen, Z., Law, S. B., Xu, S., Yakovlev, N. L., & Lai, M. Y. (2006). Copper diffusion in Ti-Si-N layers formed by inductively coupled plasma implantation. Applied surface science, 253 (2), 530-534. , http://hdl.handle.net/10220/8203 , http://dx.doi.org/10.1016/j.apsusc.2005.12.152
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Applied surface science
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Ternary Ti–Si–N refractory barrier films of 15 nm thick was prepared by low frequency, high density, inductively coupled plasma implantation of N into TixSiy substrate. This leads to the formation of Ti–N and Si–N compounds in the ternary film. Diffusion of copper in the barrier layer after annealing treatment at various temperatures was investigated using time-of-flight secondary ion mass spectrometer (ToF-SIMS) depth profiling, X-ray diffractometer (XRD), field emission scanning electron microscopy (FESEM), energy dispersive X-ray (EDX) and sheet resistance measurement. The current study found that barrier failure did not occur until 650 °C annealing for 30 min. The failure occurs by the diffusion of copper into the Ti–Si–N film to form Cu–Ti and Cu–N compounds. FESEM surface morphology and EDX show that copper compounds were formed on the ridge areas of the Ti–Si–N film. The sheet resistance verifies the diffusion of Cu into the Ti–Si–N film; there is a sudden drop in the resistance with Cu compound formation. This finding provides a simple and effective method of monitoring Cu diffusion in TiN-based diffusion barriers.

บรรณานุกรม :
Ee, Elden Yong Chiang , Chen, Z. , Law, S. B. , Xu, S. , Yakovlev, N. L. , Lai, M. Y. . (2549). Copper diffusion in Ti–Si–N layers formed by inductively coupled plasma implantation.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Ee, Elden Yong Chiang , Chen, Z. , Law, S. B. , Xu, S. , Yakovlev, N. L. , Lai, M. Y. . 2549. "Copper diffusion in Ti–Si–N layers formed by inductively coupled plasma implantation".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Ee, Elden Yong Chiang , Chen, Z. , Law, S. B. , Xu, S. , Yakovlev, N. L. , Lai, M. Y. . "Copper diffusion in Ti–Si–N layers formed by inductively coupled plasma implantation."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2549. Print.
Ee, Elden Yong Chiang , Chen, Z. , Law, S. B. , Xu, S. , Yakovlev, N. L. , Lai, M. Y. . Copper diffusion in Ti–Si–N layers formed by inductively coupled plasma implantation. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2549.