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A p-type ternary ZnCr2O4 (ZCO) thin film was fabricated using rf sputtering on a sapphire substrate. Microstructural analyses revealed that the ZCO thin film had a high crystalline quality. Surface morphology investigations showed that the ZCO film had a rugged surface because of a distinct columnar grain feature. A gas sensor composed of the ZCO thin film exhibited marked acetone and NH3 gas-sensing...
The paper proposes using atomic force microscopy (AFM) and the concept of specific down force energy (SDFE) to establish an innovative offset cycle cutting method for fabricating a bulgy shape nanochannel on a single-crystal silicon substrate. In the offset cycle cutting method, cutting is performed at a constant down force in all cutting passes. After the first cutting pass, the AFM probe is offset...
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