| 简介 |
The present application relates to a stress control method, comprising : providing a first material (110), wherein a chemical formula of the first material (110) is ABOxHy, wherein A represents one or more of alkaline earth metal elements and rare earth metal elements, B represents one or more of transitional metal elements, x ranges from 1 to 3, and y ranges from 0 to 3; providing a second material (120), wherein the second material (120) and the first material (110) are in contact with each other and form a contact interface; performing insertion or extraction of ions or atoms on the first material (110) to change a lattice constant of the first material (110); and effectively controlling stress of the second material (120) by means of the contact interface. The stress control method can apply greater lasting stress to the second material (120). |
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