Results 11 to 20 of about 35,799 (268)

Bathysciinae catalanes

open access: yesButlletí de la Institució Catalana d'Història Natural, 1919
Durante el mes de Agosto de 1917, mi Padre, acompañado por Guimjuan y Rosés, hizo una excursión por los alrededores de Figueras, Ilegando hasta Sant Llorens de la Muga y Terrades. En las inmediaciones de esta úlima localidad visitaron la cova de Vora Major orientada al S., de boca redondeada, por la que se puede entrar holgadamente, da paso a una ...
openaire   +4 more sources

Role of Liquid Composition in the Transient Liquid Assisted Growth of Superconducting YBa2Cu3O7‐δ Films

open access: yesAdvanced Materials, EarlyView.
The Y supersaturation in the [Ba‐Cu(I/II)‐O] transient liquid composition is the driving force toward YBCO nucleation and growth in TLAG. Tuning the initial (Ba:Cu) molar ratio in the ink composition determines the YBCO epitaxial nucleation through supersaturation control.
Lavinia Saltarelli   +12 more
wiley   +1 more source

Microscopic Insights into Magnetic Warping and Time‐Reversal Symmetry Breaking in Topological Surface States of Rare‐Earth‐Doped Bi2Te3

open access: yesAdvanced Materials, EarlyView.
Magnetic doping of the topological insulator Bi2Te3 with erbium adatoms induces out‐of‐plane magnetism and breaks time‐reversal symmetry, opening a Dirac gap and driving a Fermi surface transition from hexagonal to star‐of‐David geometry. Microscopy, spectroscopy, and magnetic dichroism reveal atomically controlled magnetic interactions that tailor the
Beatriz Muñiz Cano   +18 more
wiley   +1 more source

Modular Catalan numbers

open access: yesEuropean Journal of Combinatorics, 2017
Minor ...
Nickolas Hein, Jia Huang
openaire   +3 more sources

Spin‐Split Edge States in Metal‐Supported Graphene Nanoislands Obtained by CVD

open access: yesAdvanced Materials, EarlyView.
Combining STM measurements and ab‐initio calculations, we show that zig‐zag edges in graphene nanoislands grown on Ni(111) by CVD retrieve their spin‐polarized edge states after intercalation of a few monolayers of Au. ABSTRACT Spin‐split states localized on zigzag edges have been predicted for different free‐standing graphene nanostructures.
Michele Gastaldo   +6 more
wiley   +1 more source

The catalan industry.

open access: yesTreballs de la Societat Catalana de Geografia, 1986
As it is generally known, Catalonia is the main industrial area in Spain. In l983 Catalonia generated 25.7% of the Spanish industry V.A.T. and assembled 24.5% of the employed industrial labour force. None of the other industrial areas or the country reached half or the Catalan production: Madrid ( 12.2% of the industrial V.A.T.). Basc Country (10.8% of
openaire   +3 more sources

Catalan Traffic at the Beach [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2002
We design a lattice path problem in ${\bf Z}^{2}$ (the Catalan traffic) with step set $\{\rightarrow,\uparrow\}$ strictly above the line $y=( x-1) /2$, and with step set $\{\downarrow,\searrow\}$ below that same line, except for the gates at $(2y,y)$ (with $\{\uparrow,\downarrow ,\searrow\}$-steps) and the closed intersections at $( 2y+1,y) $ (no ...
openaire   +2 more sources

COFs on MOFs: Layer‐by‐Layer Synthesis of MOF@COF Nanoparticles with Synergistic Adsorption

open access: yesAdvanced Materials, EarlyView.
A layer‐by‐layer strategy enables the growth of crystalline covalent organic framework (COF) shells on metal–organic framework nanoparticles, creating core–shell structures with tunable porosity. Ordered interstitial mesopores are formed during shell growth, which are connected with the COF's intrinsic micropores, thereby enhancing water sorption. This
Ana Guillem‐Navajas   +11 more
wiley   +1 more source

THE CATALAN PROCESS

open access: yesCatalan Review, 1989
[ENG] In Catalonia over a long period of time, between the xth century and 1878, some installations were developed, which at first were called «factories» and «fargues», since they manufactured iron and steel of low carbon content of excellent quality. Because of their singular quality, the fam e of this metal made in Catalonia spread to many countries.
openaire   +3 more sources

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