http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Yu, Hak Ki,Balasubramanian, Kannan,Kim, Kisoo,Lee, Jong-Lam,Maiti, Manisankar,Ropers, Claus,Krieg, Janina,Kern, Klaus,Wodtke, Alec M. American Chemical Society 2014 ACS NANO Vol.8 No.8
<P>We present a simple approach to improving the quality of CVD grown graphene, exploiting a Cu(111) foil catalyst. The catalyst is epitaxially grown by evaporation on a single crystal sapphire substrate, thickened by electroplating, and peeled off. The exposed surface is atomically flat, easily reduced, and exclusively of (111) orientation. Graphene grown on this catalyst under atmospheric CVD conditions and without wet chemical prereduction produces single crystal domain sizes of several hundred micrometers in samples that are many centimeters in size. The graphene produced in this way can easily be transferred to other substrates using well-established techniques. We report mobilities extracted using field-effect (as high as 29 000 cm<SUP>2</SUP> V<SUP>–1</SUP> s<SUP>–1</SUP>) and Hall bar measurement (up to 10 100 cm<SUP>2</SUP> V<SUP>–1</SUP> s<SUP>–1</SUP>).</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2014/ancac3.2014.8.issue-8/nn503476j/production/images/medium/nn-2014-03476j_0007.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn503476j'>ACS Electronic Supporting Info</A></P>
Danz, Th,Liu, Q,Zhu, X D,Wang, L H,Cheong, S W,Radu, I,Ropers, C,Tobey, R I IOP 2016 Journal of Physics, Condensed Matter Vol.28 No.35
<P>Free-standing thin films of magnetic ion intercalated transition metal dichalcogenides are produced using ultramicrotoming techniques. Films of thicknesses ranging from 30 nm to 250 nm were achieved and characterized using transmission electron diffraction and x-ray magnetic circular dichroism. Diffraction measurements visualize the long range crystallographic ordering of the intercalated ions, while the dichroism measurements directly assess the orbital contributions to the total magnetic moment. We thus verify the unquenched orbital moment in Fe<SUB>0.25</SUB>TaS<SUB>2</SUB> and measure the fully quenched orbital contribution in Mn<SUB>0.25</SUB>TaS<SUB>2</SUB>. Such films can be used in a wide variety of ultrafast x-ray and electron techniques that benefit from transmission geometries, and allow measurements of ultrafast structural, electronic, and magnetization dynamics in space and time.</P>
Chung, Ki-Myung,Kim, Sang-Hee,Cho, Young-Kyung,Roper, Stephen D.,Kim, Kyung-Nyun The Korean Academy of Oral Biology 2006 International Journal of Oral Biology Vol.31 No.3
Von Ebner's glands (vEG) are minor salivary glands associated with circumvallate and foliate papilla. The secretions of vEG consist of microenvironment of the taste buds in the circumvallate and foliate papillae, and thus saliva from vEG plays a role in the perception of taste. The $Ca^{2+}$ signaling system in rat vEG acinar cell was examined using the $Ca^{2+}$-sensitive fluorescent indicator Fura-2. Agonist-induced increase in intracellular $Ca^{2+}\;([Ca^{2+}]_i)$ was stimulated by carbachol (CCh) and substance P (SP), but not by norepinephrine (NE), and recovered to control levels by their receptor antagonists dose-dependently. The effects were also observed in $Ca^{2+}$-free medium, suggesting mobilization from intracellular $Ca^{2+}$ store. These results in the vEG acinar cell indicate that 1) $[Ca^{2+}]_i$ is at least regulated by muscarinic and neurokininergic (NK1) receptors; 2) the increases in $[Ca^{2+}])i$ activated by CCh and SP are mainly mediated by discharge of cytosolic calcium pool.