Search Results - "Johansson, Leif I."

High thermal stability quasi-free-standing bilayer graphene formed on 4H–SiC(0001) via platinum intercalation by Xia, Chao, Johansson, Leif I., Niu, Yuran, Zakharov, Alexei A., Janzén, Erik, Virojanadara, Chariya

“…Influences on electronic structure induced by platinum (Pt) deposited on monolayer graphene grown on SiC(0001) are investigated by photoelectron spectroscopy…”
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Properties of epitaxial graphene grown on C-face SiC compared to Si-face by Johansson, Leif I., Virojanadara, Chariya

“…Epitaxial graphene of uniform thickness prepared on SiC is of great interest for various applications. On the Si-face, large area uniformity has been achieved,…”
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Is the Registry Between Adjacent Graphene Layers Grown on C-Face SiC Different Compared to That on Si-Face SiC by Johansson, Leif, Xia, Chao, Hassan, Jawad, Iakimov, Tihomir, Zakharov, Alexei, Watcharinyanon, Somsakul, Yakimova, Rositza, Janzén, Erik, Virojanadara, Chariya

“…Graphene grown on C-face SiC substrates using two procedures, high and low growth temperature and different ambients, was investigated using Low Energy…”
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Multiple π-bands and Bernal stacking of multilayer graphene on C-face SiC, revealed by nano-Angle Resolved Photoemission by Johansson, Leif I., Armiento, Rickard, Avila, Jose, Xia, Chao, Lorcy, Stephan, Abrikosov, Igor A., Asensio, Maria C., Virojanadara, Chariya

“…Only a single linearly dispersing π-band cone, characteristic of monolayer graphene, has so far been observed in Angle Resolved Photoemission (ARPES)…”
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Li induced effects in the core level and π-band electronic structure of graphene grown on C-face SiC by Johansson, Leif I., Xia, Chao, Virojanadara, Chariya

“…Studies of the effects induced in the electronic structure after Li deposition, and subsequent heating, on graphene samples prepared on C-face SiC are…”
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Ytterbium oxide formation at the graphene–SiC interface studied by photoemission by Watcharinyanon, Somsakul, Johansson, Leif I., Xia, Chao, Virojanadara, Chariya

“…Synchrotron-based core level and angle resolved photoemission spectroscopy was used to study the formation of ytterbium (Yb) oxide at the graphene–SiC…”
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Soft X-ray Exposure Promotes Na Intercalation in Graphene Grown on Si-Face SiC by Watcharinyanon, Somsakul, Xia, Chao, Niu, Yuran, Zakharov, Alexei A, Johansson, Leif I, Yakimova, Rositza, Virojanadara, Chariya

“…An investigation of how electron/photon beam exposures affect the intercalation rate of Na deposited on graphene prepared on Si-face SiC is presented. Focused…”
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Hydrogen intercalation of graphene grown on 6H-SiC(0001) by Watcharinyanon, S., Virojanadara, C., Osiecki, J.R., Zakharov, A.A., Yakimova, R., Uhrberg, R.I.G., Johansson, L.I.

“…Atomic hydrogen exposures on a monolayer graphene grown on the SiC(0001) surface are shown to result in hydrogen intercalation. The hydrogen intercalation…”
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Stacking of adjacent graphene layers grown on C-face SiC by Johansson, L. I., Watcharinyanon, S., Zakharov, A. A., Iakimov, T., Yakimova, R., Virojanadara, C.

“…Graphene was grown on the C-face of nominally on-axis SiC substrates using high-temperature sublimation with Ar as the buffer inert gas. The results of studies…”
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Buffer layer free large area bi-layer graphene on SiC(0 0 0 1) by Virojanadara, C., Zakharov, A.A., Yakimova, R., Johansson, L.I.

“…The influence of hydrogen exposures on monolayer graphene grown on the silicon terminated SiC(0 0 0 1) surface is investigated using photoelectron spectroscopy…”
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Rb and Cs deposition on epitaxial graphene grown on 6H-SiC(0001) by Watcharinyanon, S., Virojanadara, C., Johansson, L.I.

“…Epitaxial graphene grown on the silicon-terminated SiC(0001) is doped by alkali metals deposited on the surface. The synchrotron radiation based photoelectron…”
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Effects of rhenium on graphene grown on SiC(0001) by Xia, Chao, Tal, Alexey A., Johansson, Leif I., Olovsson, Weine, Abrikosov, Igor A., Jacobi, Chariya

“…•The shift of 4f state in Re atoms on graphene is observed under elevated temperatures.•DFT calculation were performed in order to investigate the observed…”
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A low-energy electron microscopy and x-ray photo-emission electron microscopy study of Li intercalated into graphene on SiC(0001) by Virojanadara, C, Zakharov, A A, Watcharinyanon, S, Yakimova, R, Johansson, L I

“…The effects induced by the deposition of Li on 1 and 0 ML graphene grown on SiC(0001) and after subsequent heating were investigated using low-energy electron…”
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Detailed studies of Na intercalation on furnace-grown graphene on 6H-SiC(0001) by Xia, C., Watcharinyanon, S., Zakharov, A.A., Johansson, L.I., Yakimova, R., Virojanadara, C.

“…The effects induced by Na deposited on furnace grown graphene on SiC(0001) and after subsequent annealing are investigated using LEEM, μ-LEED, μ-PES and XPEEM…”
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Epitaxial graphene on 6H-SiC and Li intercalation by Virojanadara, Chariya, Watcharinyanon, Somsakul, Zakharov, A A, Johansson, Leif I

“…The influence of lithium (Li) exposures on monolayer graphene grown on the silicon-terminated SiC(0001) surface is investigated using low-energy electron…”
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Correction: Corrigendum: Multiple π-bands and Bernal stacking of multilayer graphene on C-face SiC, revealed by nano-Angle Resolved Photoemission by Johansson, Leif I., Armiento, Rickard, Avila, Jose, Xia, Chao, Lorcy, Stephan, Abrikosov, Igor A., Asensio, Maria C., Virojanadara, Chariya

“…Only a single linearly dispersing π-band cone, characteristic of monolayer graphene, has so far been observed in Angle Resolved Photoemission (ARPES)…”
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Reactions on the SiC(0001) root 3 x root 3 R30 degrees surface after Ti deposition and annealing by Johansson, Leif I, Virojanadara, Chariya

“…The interactions of thin Ti layers deposited on the SiC(0001) root 3 x root 3 R30 degrees surface at room temperature and after annealing at temperatures from…”
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Electronic and structural properties of transition-metal carbide and nitride surfaces by Johansson, Leif I.

“…Findings concerning the electronic and structural properties of clean surfaces of transition-metal carbides and nitrides are reviewed. Topics treated are:…”
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Si intercalation/deintercalation of graphene on 6H-SiC(0001) by Xia, Chao, Watcharinyanon, Somsakul, Zakharov, A A, Yakimova, Rositsa, Hultman, Lars, Johansson, Leif I, Virojanadara, Chariya

“…The intercalation and deintercalation mechanisms of Si deposited on monolayer graphene grown on SiC(0001) substrates and after subsequent annealing steps are…”
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Effects of Al on epitaxial graphene grown on 6H-SiC(0001) by C Xia, L I Johansson, A A Zakharov, L Hultman, C Virojanadara

“…Aluminum was deposited on epitaxial monolayer-grown graphene on SiC(0001). The effects of annealing up to 1200 °C on the surface and interface morphology,…”
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