Results 31 to 40 of about 21,029 (196)

Informe sobre la fiscalidad de la economía digital con especial atención al caso español [PDF]

open access: yes, 2018
Con este estudio, se pretende sintetizar la iniciativa llevada a cabo por la OCDE para combatir las estrategias de planificación fiscal empleadas por ciertas empresas multinacionales.
Fernández Hernández, Virginia
core  

Energy‐Efficient Bulk Photoalignment of Main‐Chain Liquid Crystalline Polymers Enabled by In Situ Monitoring

open access: yesAdvanced Functional Materials, EarlyView.
In situ monitoring of bulk photoalignment reveals how molecular weight, azobenzene content, cooling rate, and thickness govern ordering in main‐chain liquid crystalline polymers. Optimized copolymers exceed conventional thickness limits, maintaining stable alignment up to 130 µm with high energy efficiency and reversible optical patterning.
Jaechul Ju   +3 more
wiley   +1 more source

Concepción normológica de la problemática científica del derecho tributario internacional [PDF]

open access: yes, 2012
El Derecho Tributario Internacional se encuentra dentro del horizonte jurídico del Derecho Internacional Privado. Puede hablarse de conflictos de normas en el Derecho Tributario Internacional y de la aplicación de las instituciones propias del Derecho ...
Feuillade, Milton César
core  

Exciton Binding Energy Modulation in 2D Perovskites: A Phenomenological Keldysh Framework

open access: yesAdvanced Functional Materials, EarlyView.
The intrinsic screening effects are successfully decoupled from structural distortion by rigorously designing a series of 2D perovskites. This enabled us to demonstrate how the dielectric environment modulates the quasiparticle bandgap and exciton binding energy.
Kitae Kim   +15 more
wiley   +1 more source

Paraísos fiscales [PDF]

open access: yes, 2018
En este trabajo, realizado para la presentación del Trabajo de Fin de Grado de la Universidad de Sevilla en el Grado de Finanzas y Contabilidad, se abordará el tema de los paraísos fiscales.
Gamero Távora, Javier
core  

Selective Charge Injection via Topological van der Waals Contacts for Barrier‐Free p‐Type TMD Transistors

open access: yesAdvanced Functional Materials, EarlyView.
 Topological van der Waals contacts represent a new class of electrodes for 2D semiconductors, enabling precise control of the Schottky barrier height (SBH) and contact resistance (RC) through interlayer distance and orbital hybridization engineering. In Se‐based transition metal dichalcogenides, these contacts achieve an ultralow SBH of 7 meV, RC of 0.
Soheil Ghods   +15 more
wiley   +1 more source

Operando Temperature Sensing at the Actual Electrocatalytic Interface by Nanodiamond Quantum Sensors

open access: yesAdvanced Functional Materials, EarlyView.
By integrating a wide‐field microscope with a custom‐designed electrolyzer, nanoscale temperature changes can be recorded in situ during the electrolysis process without interfering with ongoing electrochemical reactions. This method establishes a correlation between the interface temperature and specific electrochemical reactions, making the measured ...
Zan Li   +7 more
wiley   +1 more source

Elusión tributaria y normas antielusivas: su tratamiento en el derecho comparado. Algunas conclusiones al respecto [PDF]

open access: yes, 2011
Luego de ofrecer una visión particular del concepto de elusión tributaria, el artículo analiza el tratamiento que se ha dado en el Derecho Comparado a las medidas/normas antielusivas, agrupando a los ordenamientos estudiados en los dos sistemas jurídicos
Wahn Pleitez, Werner Raphael
core   +1 more source

Incremento del IVA a telefonía móvil [PDF]

open access: yes, 2013
El pasado primero de marzo de 2012, el presidente de la Asociación de la Industria Móvil de Colombia Asomóvil, Rodrigo Lara Restrepo, explicó que las empresas que prestan servicios de telefonía móvil en Colombia, permanecen a la espera de la ...
Aboumarzouk, Omar   +7 more
core   +2 more sources

Introducing Pure Calcium Orthophosphate Gels and Aerogels

open access: yesAdvanced Functional Materials, EarlyView.
The synthesis of calcium phosphate‐based gels and aerogels is reported, which exhibit highly porous structures built up of networks of nanoparticles. In case of amorphous aerogels, this leads to yet unmatched specific BET surface areas, making these materials especially interesting for biomedical applications.
Oliver Jeske   +4 more
wiley   +1 more source

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