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| 1 | Friction characteristics of mechanically exfoliated and CVD-grown single-layer MoS_2显示文摘In this work, the friction characteristics of single-layer MoS_2 prepared with chemical vapor deposition(CVD) at three different temperatures were quantitatively investigated and compared to those of single-layer MoS_2 prepared using mechanical exfoliation. The surface and crystalline qualities of the MoS_2 specimens were characterized using an optical microscope, atomic force microscope(AFM), and Raman spectroscopy. The surfaces of the MoS2 specimens were generally flat and smooth. However, the Raman data showed that the crystalline qualities of CVD-grown single-layer MoS2 at 800 °C and 850 °C were relatively similar to those of mechanically exfoliated MoS2 whereas the crystalline quality of the CVD-grown single-layer MoS_2 at 900 °C was lower. The CVD-grown single-layer MoS_2 exhibited higher friction than mechanically exfoliated single-layer MoS_2, which might be related to the crystalline imperfections in the CVD-grown MoS_2. In addition, the friction of CVD-grown single-layer MoS_2 increased as the CVD growth temperature increased. In terms of tribological properties, 800 °C was the optimal temperature for the CVD process used in this work. Furthermore, it was observed that the friction at the grain boundary was significantly larger than that at the grain, potentially due to defects at the grain boundary. This result indicates that the temperature used during CVD should be optimized considering the grain size to achieve low friction characteristics. The outcomes of this work will be useful for understanding the intrinsic friction characteristics of single-layer MoS2 and elucidating the feasibility of single-layer MoS_2 as protective or lubricant layers for micro- and nano-devices. | Dinh Le Cao KY Bien-Cuong TRAN KHAC Chinh Tam LE Yong Soo KIM Koo-Hyun CHUNG | 2018 | Friction2018，6，4： | 9 |
| 2 | Treatment of multidrug-resistant and extensively drug-resistant tuberculosis : current status and future prospects 显示文摘 | Tam CM Yew WW Yuen KY | 2009 | Expert Rev Clin Pharrnacol2009，2，4： | 1 |
| 3 | Regulation of CCN2/CTGF and related cytokines in cultured peritoneal cells under conditions simulating peritoneal dialysis显示文摘 | Leung JC Chan LY Tam KY | 2009 | Nephrology Dialysis Transplantation2009，24，2： | 1 |
| 4 | 20-year experience of managing profuse bleeding in gestational tropboblastic disease 显示文摘 | Tse KY Chan KK Tam KF | 2007 | J Reprod Med2007，52，5： | 1 |
| 5 | MacromolecularIgA1 taken from patients with familial IgA nephropathy ortheir asymptomatic relatives have higher reactivity tomesangial cells in vitro显示文摘 | Tam KY Leung JC Chan LY | 2009 | Kidney Int2009，75，12： | 1 |
| 6 | Uterine smooth muscle tumors other than the ordinary leiomyomas and leiomyosarcomas:a review of selected variants with emphasis on recent advances and unusual morphology that may cause concern for malignancy显示文摘 | Ip PP Tse KY Tam KF | 2010 | Adv Anat Pathol2010，17，2： | 1 |
| 7 | Sell by bundle or unit?: Pure bundling versus mixed bundling of information goods显示文摘 | Hui W Yoo B Tam KY | 2012 | Decision Support Systems2012，53，： | 1 |
| 8 | Chemoembolization agents for cancer treatment显示文摘 | Tam KY Leung KC Wang YX | 2011 | Eur J Pharm Sci2011，44，： | 1 |
| 9 | Usefulness of the MicroSeq 500 16S ribosomal DNA-based bacterial identification system for identification of clinically significant bacterial isolates with ambiguous biochemical profiles 显示文摘 | Woo PC Ng KH Lau SK Yip KT Fung AM Leung KW Tam DM Que TL Yuen KY | 2003 | J Clin Microbiol2003，41，5： | 1 |
| 10 | Chemoembolization agents for cancer treatment显示文摘 | TAM KY LEUNG KC WANG YX | 2011 | Eur J Pharm Sci2011，44，12： | 1 |
| 11 | Treatment of multidrug-resistant and extensively drug-resistant tuberculosis:current status and futureprospects显示文摘 | Tam CM Yew WW Yuen KY | 2009 | Expert Rev Clin Pharmaco2009，2，4： | 1 |
| 12 | Macromolecular IgAl taken frompatients with familial IgA nephropathy or their asymptomatic relativeshave higher reactivity to mesangial cells in vitro 显示文摘 | Tam KY Leung JC Chan LY | 2009 | Kidney Int2009，75，12： | 1 |
| 13 | Chemoembolization agents for cancer treatment显示文摘 | TAM KY LEUNG KC WANG YX | 2011 | Eur J Pharm Sci2011，44，12： | 1 |
| 14 | Macromolecular IgA1 taken from patients with familial IgA n@ropathy or their asymptomatic relatives have higher reactivity to mesangial ceils in vitro显示文摘 | Tam KY Leung JC Chan LY | 2009 | Kid- ney Int2009，75，12： | 1 |
| 15 | Characterization of chromosome 3q and 12q amplicons in nasopharyngeal carcinoma cell lines 显示文摘 | Or YY Hui AB Tam KY | 2005 | Int J Oncol2005，26，1： | 1 |
| 16 | Macromolecular IgAl taken frompatients with familial IgA nephropathy or their asymptomatic relativeshave higher reactivity to mesangial cells in vitro 显示文摘 | Tam KY Leung JC Chan LY | 2009 | Kidney Int2009，75，12： | 1 |
| 17 | The use of vaginal antimicrobial after large loop excision of transformation zone: a prospective randomised trial 显示文摘 | Chan KK Tam KF Tse KY | 2007 | An International Journal of Obstetrics Gynecology2007，114，8： | 1 |
| 18 | Blood-Brain Barrier Damage during the Acute Stage of Subarachnoid Hemorrhage, as Exemplified by a New Animal Model显示文摘 | Tamás Dóczi Ferenc Joó Géza ádám Béla Bozóky Péter Szerdahelyi | 1986 | Neurosurgery1986，，6： | 1 |
| 19 | The effects of post-adoption beliefs on the expectation- confirmation model for information technology continuance 显示文摘 | Thong JYL Hong SJ Tam KY | 2006 | International Journal of Human - Computer Studies2006，，64： | 1 |
| 20 | Understanding continued in-formation technology usage behaviour: A comparison ofthree models in the context of mobile intemet显示文摘 | Hong SJ Thong JYL Tam KY | 2006 | DecisionSupport System2006，42，3： | 1 |
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