angle-resolved photoemission measurements
Angle Resolved Photoemission Analysis of Electronic Structures for Thermoelectric Properties of Off Stoichiometric Fe2 xV1+xAl Alloys
... Angle-resolved photoemission measurements were per- formed at approximately 20 K at the BL23SU beamline of the 8-GeV electron storage ring at SPring-8 in the Japan Syn- chrotron Radiation ...
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Tunable carrier multiplication and cooling in graphene
... and angle-resolved photoemission measurements on two doped graphene sam- ples displaying different doping levels reveal remarkable differences in the ultrafast dy- namics of the hot carriers ...
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Laser angle-resolved photoemission as a probe of initial state k(z) dispersion, final-state band gaps, and spin texture of Dirac states in the Bi2Te3 topological insulator
... The computational part of this work at Tampere University of Technology benefited from the grid computing software provided by Techila Technologies Ltd. The work at North- eastern University was supported by the U.S. ...
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Angle-resolved photoemission spectroscopy for the study of two-dimensional materials
... Conventional ARPES systems developed in the last 20 years or so, however, is not completely well-suited for the studies of graphene-like 2D materials. The most lim- iting factor is the size of the materials. A typical ...
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A spin and angle resolved photoemission study of coupled spin orbital textures driven by global and local inversion symmetry breaking
... Comfortable and efficient round the clock operation of a beamtime would simply not be possible without the help of a great team and so thank you to everyone who participated in acquiring measurements for the ...
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Three dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle resolved photoemission spectroscopy
... mains finite [9,11,55]; possibly the interplane coherence is not yet established. When the system has determined its nematic orientation, this also dictates which electron pocket preserves the spectral weight. Once this ...
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Surface driven electronic structure in LaFeAsO studied by angle resolved photoemission spectroscopy
... graphic c-axis perpendicular to the plane of the platelike single crystals. The characteristic temperatures for the sepa- rated structural and magnetic transitions are T S ⬃ 154 K and T ⴱ ⬃ 140 K, respectively. The ARPES ...
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Subband structure of a two dimensional electron gas formed at the polar surface of the strong spin orbit perovskite KTaO3
... utilize angle-resolved photoemission (ARPES) to provide the first direct measurement of the subband structure of a 5 d oxide ...ARPES measurements of both SrTiO 3 and KTaO 3 2DEGs, strongly ...
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Exceptional surface and bulk electronic structures in a topological insulator, Bi2Se3
... x-ray photoemission (HXP) measurements were carried out at the P09 beamline of Petra III, Hamburg, Germany using ...the measurements was set to 150 meV. Conventional x-ray photoemission (CXP) ...
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Angle Resolved Photoemission Study of Epitaxial Chromium Dioxide Films
... and photoemission measurements that were taken after a variety of sputtering and annealing cycles, the films show a surprisingly stable film structure with no indications of major surface ...reduction. ...
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Indirect to direct gap crossover in two dimensional InSe revealed by angle resolved photoemission spectroscopy
... bilayer 2D crystals to direct gap in thicker lms. In addition, we have measured the splitting between various valence band edges in monolayers and few-layer lms. The subbands in few-layer InSe lms, determined using ...
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High resolution angle resolved photoemission study of the Fermi surface and the normal state electronic structure of Bi2Sr2CaCu2O8
... High-resolution angle-resolved photoelectron spectroscopic measurements were made of the Fermi edge of a single crystal of Bi2Sr2CaCu2O8 at 90 K along several directions in the Brillouin ...
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Doping dependence of low energy quasiparticle excitations in superconducting Bi2212
... angle-resolved photoemission (ARPES) data [6-8]. The use of low-energy synchrotron radiation brought about improvement in energy and momentum resolution and allowed us to optimize the excitation ...
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Disorder and interactions in graphene and other quantum systems
... Abbreviations e electron h hole imp impurity 2DEG two dimensional electron gas AB Aharonov-Bohm ABE Aharonov-Bohm effect ARPES angle-resolved photoemission spectroscopy AT Anderson trans[r] ...
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Towards time resolved single spin measurements.
... To create a spin polarized tip on these single spin samples, one has to start this process by coating the tip with a metal. This can be best achieved prior to the sample preparation using the clean Cu(100). By indenting ...
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Formation and properties of responsive siloxane-based polymeric surfaces with tunable surface reconstruction kinetics
... vinyl bond was confirmed via the elimination of the C– –C peaks at 960, 1407, and 1587 cm 1 in Fourier transform infrared spectro- scopy in the attenuated total reflection mode (FTIR-ATR). In Figure 1, we plot the ...
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Spatial patterns in timing of the diurnal temperature cycle
... models which utilize different soil layers and/or soil thermal capacities). This variability with depth together with a high spatial variability poses a challenge for the in situ valida- tion of LST, even though thermal ...
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All- t2g electronic orbital reconstruction of monoclinic MoO 2battery material
... the incipient LHB at ω ≈ − 2.4 eV for U = 2 eV is transfered to higher binding energies, becoming more pronounced with increasing U. On the other hand, the UHB is not clearly resolved in the x 2 − y 2 orbital. ...
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Ramifications of optical pumping on the interpretation of time resolved photoemission experiments on graphene
... Angle-resolved photoemission spectroscopy (ARPES) offers a unique capability to investigate the electronic properties of quasiparticles in complex systems with en- ergy and momentum ...time ...
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Angle resolved collision induced decomposition of gaseous ions
... which crossover points are observed is the kinetic energy release which accompanies the formation of fragment ions and leads to ions which have been scattered to the same initial angle 6. being detected over a ...
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