国家/地区 中国（21）
IPC部 C（21）
IPC大类 C30（21） H01（10） C23（8）
IPC小类 C30B（21）
IPC C30B025/18（21）
发明人 FENG H（3） LI X（3） TANG J（3）
WANG Y（3） ZHANG J（3） CHEN X（2）
HAO Y（2） LIU F（2） LIU Z（2）
MA P（2） NING J（2） PAN Y（2）
SHAO C（2） WANG D（2） WANG H（2）
公开年 2022（21）
申请年 2021（11）  2022（10） 
专利权人 UNIV PEKING（3） BEIJING GRAP.（2） CEC COMPOUND.（2） SHANGHAI INS.（2）
UNIV SHANDON.（2） UNIV XIDIAN（2）

Preparing quantum resistance chip based on graphene, involves providing silicon carbide substrate, annealing silicon carbide substrate, performing epitaxial growth on surface of substrate by using chemical vapor deposition method by using silicon ethane as gas catalyst and acetylene.

XIAO X, CHEN L, KONG Z, WANG H

Epitaxial gallium nitride (GaN) with diamond as substrate comprises diamond substrate, single-layer or multi-layer graphene layer arranged on diamond substrate, aluminum nitride layer sputtered on graphene layer, and gallium nitride thin film epitaxially grown on aluminum nitride.

LI X, ZHANG F

Preparing a copper single wafer, comprises e.g. performing oriented growth by taking the seed crystal as nucleation center in the traction process to obtain a single crystal copper rod with determined orientation, and fixing the single crystal copper rod on line cutting support and cutting.

XIAO L, HAN L, ZUO T, GAO Z, RU Y, XUE J

Preparing single crystal substrate comprises forming gallium nitride porous layer on surface of sapphire substrate, depositing barrier layer e.g. silica to cover top surface of the porous layer, removing barrier layer, performing epitaxial growth of single crystal layer and separating.

LU J

Preparing gallium nitride single crystal substrate utilizing edge metal mask technology, comprises e.g. providing gallium nitride epitaxial film with nitrogen lattice polarity without biaxial stress, heating hydride vapor phase epitaxy cavity and trimming gallium nitride single crystal thick film.

ZHANG G, SHEN B, WU J, WANG T, GUO Y, LIU Q, LIU F, WANG X

Preparation method of a large domain graphene single crystal, involves annealing sapphire/metal substrate with oxygen-containing gas and providing growth gas according to mode of increasing proportion gradient of growth gas, and growing on sapphire/metal substrate to obtain graphene single crystal.

LIU Z, PENG H, CAO Y, WANG Y, DU Y, TANG J, YAN R

Preparing quantum dots, comprises e.g. using two-dimensional materials to prepare two-dimensional material substrates, placing material in growth chamber, spraying raw material on surface of material, and subjecting raw material into adsorption, desorption, and growth on surface of material.

LIU F, WEI Z, YANG J, XIN K, LI L, DI S

Controlling grain boundary angle of two-dimensional material, involves providing substrate with specific crystal orientation and growing two-dimensional material by chemical vapor deposition on substrate.

LIN L, SUN L, LIU H, LI Y, LIU Z

Preparing diamond-based gallium nitride epitaxial substrate structure, involves preparing aluminum nitride nucleating layer on diamond substrate, growing graphene layer on surface of copper foil, and transferring onto aluminum nitride nucleation layer.

HAO Y, MA P, WANG D, JIA Y, ZHANG J, WU H, NING J

Epitaxially growing large area gallium nitride used in field of semiconductor comprises growing graphene two-dimensional material layer on copper (111) single crystal substrate, epitaxially growing gallium nitride film and cooling gallium nitride film to room temperature.

MA Y, YANG J, KONG W