Evaluation of crystalline germanium thin films electrodeposited on copper substrates from propylene glycol electrolyte
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概要
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Germanium thin films electrochemically deposited at 300 K from a solution of GeCl4, in propylene glycol were investigated using X-ray diffraction (XRD), infrared (IR) spectroscopy and atomic force microscopy (AFM). XRD reveals that the germanium electrodeposits are of crystalline structure and have the preferred crystallographic growth orientation [220]. The presence of the hydrogen bonding in the germanium films such as Ge-H and Ge-H-2 is shown from the IR absorption and does not cause a phase transition from crystalline structures to amorphous structures. The AFM images exhibit anomalous surface roughening behaviors in growth that deviate from statistical surface growth models and indicate a transition from rough surfaces to smooth surfaces.
- Elsevier Science B.V.の論文
- 2003-01-01
Elsevier Science B.V. | 論文
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