Web4 Apr 2024 · Vo rtex pinning in YBCO films on sapphire Figure 1. AFM images of annealed CeO 2 layers for three typical samples prior to deposition of YBCO films. The nominal thickness of the CeO 2 layer was (a) 36.6 nm for sample A, (b) 30.4 nm for sample B, and (c) 23.6 nm for sample C. Arrows indicate the atomic step height in (a) and dimensions of … WebNext, a CeO 2target was used to deposit a 30nm thickness CeO xlayer by radio frequency (RF) sputtering for 4000s in an atmosphere with an Ar:O 2flowrateratio=11:2sccm : 5:6sccm with a sput- tering power of 80W. Then, a HfO 2target was used to deposit a 10nm thick HfO 2layer by RF sputtering (100W) for 300s in 16.8sccm Ar.
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Web29 Jul 2024 · CeO 2 film with an optimum thickness of 260 nm has shown high sensitivity (12.6) and fast response time (≤10 s) along with fast recovery time (15 s) at a low operating temperature of 400°C. To the best of our knowledge, these are the best values reported till date for undoped CeO 2 thin film-based oxygen sensors. Web2 Nov 2024 · Elon Musk is the CEO of Twitter. Musk took over as CEO in October 2024 following a back-and-forth affair in which the billionaire proposed to purchase the social … christian discipleship lessons
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Web15 Jun 2024 · Fig. 2 shows the AFM images of CeO 2 films with different thickness. It is clear that the particles were evenly distributed on film surfaces [[13], [14], [15]] and RMS roughness increased for thicker film, which is consistent with the variations observed from SEM images.It is noteworthy that surface roughness increased almost in direct proportion … Web26 Dec 2024 · He returned to Twitter in 2015 after Twitter CEO Dick Costolo stepped down amid concerns about stalled user growth. After serving as the interim Twitter CEO, Dorsey … Web18 Jun 2024 · Pleased to share Ocugen’s Chairman, CEO & Co-Founder, Dr. Shankar Musunuri, will be a featured panelist during the Reuters Pharma USA 2024 Keynote Panel … georgetown one by anthem