Source: https://patents.google.com/patent/JPS63281420A/en
Timestamp: 2018-10-21 22:19:19
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JPS63281420A - Manufacture of compound semiconductor substrate - Google Patents
Manufacture of compound semiconductor substrate
JPS63281420A
JPS63281420A JP11661287A JP11661287A JPS63281420A JP S63281420 A JPS63281420 A JP S63281420A JP 11661287 A JP11661287 A JP 11661287A JP 11661287 A JP11661287 A JP 11661287A JP S63281420 A JPS63281420 A JP S63281420A
JP11661287A
PURPOSE: To achieve a compound semicodncutor substrate of a good crystallizability by previously partially making the surface of a substrate amorphous before the hetero-epitaxial growth of a compound semiconductor, thereby diffusively forming fine amorphous parts 3.
CONSTITUTION: Using a focused ion beam 2 of Si+, part of a single crystal Si substrate 1 is sequentially made amorphous in the direction of A, thereby uniformly diffusively forming fine amorphous parts 3 in the shape of a spot or line. Then, GaAs is crystallized on the substrate surface, and in this early stage of an epitaxial growth, on the fine amorphous parts 3 an amorphous or polycrystalline growth part 5 is formed, while on a single crystal part 4 a single crystal growth part 6 is formed. In this growing process, the strain due to lattice constant difference or thermal expansion coefficient difference is reduced in the amorphous or polycrystalline growth part 5, so no defect encroaches into the single crystal growth part 6. Thereafter, with the complete single crystal growth part 6 as a seed crystal, a single crystal growth proceeds, whereby a complete GaAs single crystal layer 8 is formed.
JP11661287A 1987-05-13 1987-05-13 Manufacture of compound semiconductor substrate Pending JPS63281420A (en)
JP11661287A JPS63281420A (en) 1987-05-13 1987-05-13 Manufacture of compound semiconductor substrate
JPS63281420A true true JPS63281420A (en) 1988-11-17
ID=14691485
JP11661287A Pending JPS63281420A (en) 1987-05-13 1987-05-13 Manufacture of compound semiconductor substrate
JP (1) JPS63281420A (en)
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