Substrates and Buffers

• Inexpensive Raw material

• Easily textures by proper rolling/heat treatment process

• Stronger and Non-magnetic

• Surface quality and chemical imperfection

• Protects YBCO layer from Ni (chemical attack)

• Transfers Ni texture to

YBCO layer

• Must not crack and must

have a smooth surface

• Fast Deposition rates

Why Ni?

Why Buffer?

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