Search Results - "Lungu, George A"

Atomic structure and reactivity of ferromagnetic Fe deposited on Si(001) by Gheorghe, Nicoleta G., Husanu, Marius A., Lungu, George A., Costescu, Ruxandra M., Macovei, Dan, Teodorescu, Cristian M.

“…This study presents a correlated study of structural, reactivity, and magnetic properties of ultrathin Fe layers grown on Si(001) by molecular beam epitaxy in…”
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Room Temperature Ferromagnetic, Anisotropic, Germanium Rich FeGe(001) Alloys by Lungu, George A, Apostol, Nicoleta G, Stoflea, Laura E, Costescu, Ruxandra M, Popescu, Dana G, Teodorescu, Cristian M

“…Ferromagnetic Fe Ge with = 2%-9% are obtained by Fe deposition onto Ge(001) at high temperatures (500 °C). Low energy electron diffraction (LEED) investigation…”
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CO adsorption and oxidation at room temperature on graphene synthesized on atomically clean Pt(001) by Apostol, Nicoleta G., Bucur, Ioana C., Lungu, George A., Tache, Cristian A., Teodorescu, Cristian M.

“…Graphene deposited on Pt(001) provides a good heterosurface for adsorption and oxidation of carbon monoxide at room temperature. [Display omitted] •Monolayer…”
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Spin asymmetry of O 2p –related states in SrTiO3(001) by Popescu, Dana G, Nicolaev, Adela, Costescu, Ruxandra M, Borcan, Larisa E, Lungu, George A, Tache, Cristian A, Hușanu, Marius A, Teodorescu, Cristian M

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Band bending in Au/Pb(Zr,Ti)O3 investigated by X-ray photoelectron spectroscopy: Dependence on the initial state of the film by Apostol, Nicoleta G., Stoflea, Laura E., Lungu, George A., Tanase, Liviu C., Chirila, Cristina, Frunza, Ligia, Pintilie, Lucian, Teodorescu, Cristian M.

“…This work presents a systematic investigation by X-ray photoelectron spectroscopy of the mechanisms of interface formation and band bending for Au/Pb(Zr,Ti)O3…”
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Epitaxial ferromagnetic samarium and samarium silicide synthesized on Si(001) by Costescu, Ruxandra M., Gheorghe, Nicoleta G., Husanu, Marius A., Lungu, George A., Macovei, Dan, Pintilie, Ioana, Popescu, Dana G., Teodorescu, Cristian M.

“…Samarium is deposited on Si(001) at various temperatures (room temperature to 400 °C), and the surface structure, interface reactivity, electron configuration,…”
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Structure, reactivity, electronic configuration and magnetism of samarium atomic layers deposited on Si(001) by molecular beam epitaxy by Gheorghe, Nicoleta G., Lungu, George A., Husanu, Marius A., Costescu, Ruxandra M., Macovei, Dan, Teodorescu, Cristian M.

“…► Sm deposited on Si(001) at temperatures below 400°C is ferromagnetic. ► Sm/Si(001) forms a mixture of Sm metal, Sm4Si3 and SmSi2. The first two phases are…”
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Significantly different contamination of atomically clean Si(001) when investigated by XPS and AES by Gheorghe, Nicoleta G., Lungu, George A., Costescu, Ruxandra M., Teodorescu, Cristian M.

“…Clean Si(001) single crystal surfaces provided different surface reconstructions: p(1 × 2) and c(n × 2) (n = 4, 6) at room temperature. The in situ oxidation…”
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Charge transfer and band bending at Au/Pb(Zr0.2Ti0.8)O3 interfaces investigated by photoelectron spectroscopy by Apostol, Nicoleta G., Stoflea, Laura E., Lungu, George A., Chirila, Cristina, Trupina, Lucian, Negrea, Raluca F., Ghica, Corneliu, Pintilie, Lucian, Teodorescu, Cristian M.

“…► First follow-up by XPS, with detailed curve fitting, of the interface Au/PZT. ► Nearly perfect composition transfer from the target to the PZT film by pulsed…”
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Spin asymmetry of O 2p –related states in SrTiO 3 (001) by Popescu, Dana G, Nicolaev, Adela, Costescu, Ruxandra M, Borcan, Larisa E, Lungu, George A, Tache, Cristian A, Hușanu, Marius A, Teodorescu, Cristian M

“…Atomically clean SrTiO 3 (001) is characterized by low energy electron diffraction, core level and valence band photoelectron spectroscopy, the latter also…”
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Ferroelectric-enabled significant carbon dioxide molecular adsorption on BaTiO 3 (001) by Iancu, Alexandru-Cristi, Lungu, George A., Tache, Cristian A., Teodorescu, Cristian M.

“…Carbon dioxide (CO 2 ) is reversibly adsorbed and desorbed from ferroelectric (001) oriented, BaO-terminated barium titanate, as revealed in real time by high…”
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Band bending at free Pb(Zr,Ti)O3 surfaces analyzed by X-ray photoelectron spectroscopy by Apostol, Nicoleta G., Stoflea, Laura E., Lungu, George A., Tache, Cristian A., Popescu, Dana G., Pintilie, Lucian, Teodorescu, Cristian M.

“…This paper analyses in detail the core levels evolution of Pb(Zr,Ti)O3, i.e. Pb 4f, Zr 3d, Ti 2p, O 1s in various conditions: absolutely freshly prepared…”
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Room temperature ferromagnetism and its correlation to ferroelectricity of manganese embedded in lead zirco-titanate by Bucur, Ioana Cristina, Apostol, Nicoleta G., Abramiuc, Laura E., Tănase, Liviu C., Tache, Cristian A., Lungu, George A., Costescu, Ruxandra M., Chirilă, Cristina F., Trupină, Lucian, Pintilie, Lucian, Teodorescu, Cristian M.

“…Manganese is deposited at high temperature on (001) oriented ferroelectric lead zirco-titanate prepared in two different ways: sputter-annealed or just simply…”
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Band bending in Au/Pb(Zr,Ti)O 3 investigated by X-ray photoelectron spectroscopy: Dependence on the initial state of the film by Apostol, Nicoleta G., Stoflea, Laura E., Lungu, George A., Tanase, Liviu C., Chirila, Cristina, Frunza, Ligia, Pintilie, Lucian, Teodorescu, Cristian M.

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Triggering surface ferroelectric order in Pb(Zr,Ti)O3(001) by deposition of platinum by Bucur, Ioana C., Tănase, Liviu C., Abramiuc, Laura E., Lungu, George A., Chirilă, Cristina, Trupină, Lucian, Apostol, Nicoleta G., Costescu, Ruxandra M., Negrea, Raluca F., Pintilie, Lucian, Teodorescu, Cristian M.

“…•Sharp interfaces formed by platinum deposition of continuous layers on lead zirco-titanate (001).•Band bending towards lower energies (higher binding…”
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X-ray photoelectron spectroscopy of pulsed laser deposited Pb(Zr,Ti)O3−δ by Dragoi, Cristina, Gheorghe, Nicoleta G., Lungu, George A., Trupina, Lucian, Ibanescu, Andra G., Teodorescu, Cristian M.

“…High quality pulsed laser deposited lead zirconate titanate (PZT) films are obtained by pulsed laser deposition on SrRuO3(111) single crystal layers and…”
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X‐ray photoelectron spectroscopy of pulsed laser deposited Pb(Zr,Ti)O 3− δ by Dragoi, Cristina, Gheorghe, Nicoleta G., Lungu, George A., Trupina, Lucian, Ibanescu, Andra G., Teodorescu, Cristian M.

“…High quality pulsed laser deposited lead zirconate titanate (PZT) films are obtained by pulsed laser deposition on SrRuO 3 (111) single crystal layers and…”
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X-ray photoelectron spectroscopy of pulsed laser deposited Pb(Zr,Ti)O3-[delta] by Dragoi, Cristina, Gheorghe, Nicoleta G, Lungu, George A, Trupina, Lucian, Ibanescu, Andra G, Teodorescu, Cristian M

“…High quality pulsed laser deposited lead zirconate titanate (PZT) films are obtained by pulsed laser deposition on SrRuO3(111) single crystal layers and…”
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Back Cover: Significantly different contamination of atomically clean Si(001) when investigated by XPS and AES (Phys. Status Solidi B 8/2011) by Gheorghe, Nicoleta G., Lungu, George A., Costescu, Ruxandra M., Teodorescu, Cristian M.

“…Recently, the c(4 × 2) reconstruction of the technologically highly important Si(001) surface was evidenced at low temperatures (below 200 K). High‐resolution…”
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