Presentation Information

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[10p-E202-5]Growth and Characterization of Ni–Cu Alloy Single Crystals with Lattice Matching to Diamond

〇Tsuyoshi Kumagai¹, Miyuki Tase¹, Hiroyuki Ando¹, Kazuya Takahashi¹, Kotaro Ishiji², Shigeru Suzuki³, Kazumasa Sugiyama⁴, Tsuguo Fukuda¹ (1.Fukuda Crystal Lab., 2.SAGA-LS, 3.microSIC, Tohoku Univ., 4.IMR, Tohoku Univ.)

Keywords:

Single crystal,Czochralski,Diamond

Single-crystal diamond is a promising material for next-generation power, high-frequency, and quantum devices. However, the limited availability of large-area freestanding diamond substrates remains a major challenge. In this study, Ni–Cu alloy single crystals with <100>, <111>, and <110> orientations were grown by the S-CZ method. The crystal orientation, crystal quality, and lattice parameters of fabricated substrates were evaluated to assess their potential as lattice-matched substrates for diamond growth.

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