초록

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Abstract ▼ AI-Helper

We developed a pulsed laser deposition(PLD) apparatus for depositing various thin films. In this study, the formation of $NbS_2$ thin film was performed in the vacuum chamber by PLD method. $Al_2O_3$(012) and Si(111) were used as the substrates. In order to investigate the grow...

We developed a pulsed laser deposition(PLD) apparatus for depositing various thin films. In this study, the formation of $NbS_2$ thin film was performed in the vacuum chamber by PLD method. $Al_2O_3$(012) and Si(111) were used as the substrates. In order to investigate the growth conditions of a high crystalline $NbS_2$ thin film, the S/Nb composition ratio was varied from 2.0 to 5.25 and the substrate temperature was varied from the room temperature to $600^{\circ}C$. From the result of X-ray diffraction studies of the prepared $NbS_2$ thin films, it was reported that the $NbS_2$, thin film showed a good crystallinity at substrate temperature $600^{\circ}C$ and with S/Nb composition ratio 4.0 on $Al_2O_3$(012) but did not on Si(111). The films exhibited c-axis orientation.