Chaoquan Hu

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Either hardness or toughness has been the core interest in scientific exploration and technological pursuit for a long time. However, it is still a big challenge to enhance the hardness and toughness at the same time, since the improvement of one side is always at the expense of the other one. Here, we have succeeded in dealing with this pair of conflict(More)
Germanium carbide (Ge(1-x)C(x)) films have been prepared by RF reactive sputtering a pure Ge(111) target at different flow rate ratios of CH(4)/(CH(4)+Ar) in a CH(4)/Ar mixture discharge, and it has been found that the composition, chemical bonding, optical and mechanical properties of Ge(1-x)C(x) films are remarkably influenced by the flow rate ratio of(More)
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