Results 31 to 40 of about 103,571 (282)

Growth of crystalline phase change materials by physical deposition methods

open access: yesAdvances in Physics: X, 2017
Phase change materials are a technologically important materials class and are used for data storage in rewritable DVDs and in phase change random access memory. Furthermore, new applications for phase change materials are emerging.
Jos E. Boschker, Raffaella Calarco
doaj   +1 more source

Theoretical Investigation of Optical Intersubband Transitions and Infrared Photodetection in ${\beta}$-(AlxGa1-x)2O3/Ga2O3 Quantum Well Structures

open access: yes, 2020
We provide theoretical consideration of intersubband transitions designed in the ultrawide bandgap Aluminum Gallium Oxide ((AlxGa1-x)2O3)/Gallium Oxide (Ga2O3)) quantum well system.
Krishnamoorthy, Sriram, Lyman, Joseph E.
core   +1 more source

Growth control of oxygen stoichiometry in homoepitaxial SrTiO3 films by pulsed laser epitaxy in high vacuum [PDF]

open access: yes, 2016
In many transition metal oxides (TMOs), oxygen stoichiometry is one of the most critical parameters that plays a key role in determining the structural, physical, optical, and electrochemical properties of the material. However, controlling the growth to
Choi, Woo Seok   +3 more
core   +3 more sources

MOFs and COFs in Electronics: Bridging the Gap between Intrinsic Properties and Measured Performance

open access: yesAdvanced Functional Materials, EarlyView.
Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) hold promise for advanced electronics. However, discrepancies in reported electrical conductivities highlight the importance of measurement methodologies. This review explores intrinsic charge transport mechanisms and extrinsic factors influencing performance, and critically ...
Jonas F. Pöhls, R. Thomas Weitz
wiley   +1 more source

MOVPE Technology of Fe-Compensated In PLayers for the Quantum Cascade Laser Applications [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2020
Quantum cascade laser is one of the most sophisticated semiconductor devices. Its technology requires extremely high precision and layers quality. Device performance is limited by thermal extraction form laser core.
Mikołaj Badura
doaj   +1 more source

Transmission Electron Microscopy on Interface Engineered Superconducting Thin Films [PDF]

open access: yes, 2003
Transmission electron microscopy is used to evaluate different deposition techniques, which optimize the microstructure and physical properties of superconducting thin films.
Bals, Sara   +5 more
core   +3 more sources

In Situ Study of Resistive Switching in a Nitride‐Based Memristive Device

open access: yesAdvanced Functional Materials, EarlyView.
In situ TEM biasing experiment demonstrates the volatile I‐V characteristic of MIM lamella device. In situ STEM‐EELS Ti L2/L3 ratio maps provide direct evidence of the oxygen vacancies migrations under positive/negative electrical bias, which is critical for revealing the RS mechanism for the MIM lamella device.
Di Zhang   +19 more
wiley   +1 more source

Toughening β‐Ga2O3 via Mechanically Seeded Dislocations

open access: yesAdvanced Functional Materials, EarlyView.
β‐Ga2O3 is promising for next‐generation semiconductors but its brittleness limits flexible and high‐precision applications. Here, mechanically seeded dislocations introduced by surface deformation improved damage tolerance in (001) β‐Ga2O3. Nanoindentation and characterization show dislocations suppress cleavage cracks by enabling stable plastic ...
Zanlin Cheng   +5 more
wiley   +1 more source

III/V-on-Si MQW lasers by using a novel photonic integration method of regrowth on a bonding template. [PDF]

open access: yes, 2019
Silicon photonics is becoming a mainstream data-transmission solution for next-generation data centers, high-performance computers, and many emerging applications.
Beausoleil, Raymond G   +7 more
core  

Block Copolymers: Emerging Building Blocks for Additive Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
This review addresses how block copolymer (BCP) physics and rheology have led to the widespread use of BCPs in advanced additive manufacturing techniques, with particular emphasis on the untapped potential of these nanostructured materials toward achieving multi‐scale architected materials with unique, programmable material properties.
Alice S. Fergerson   +3 more
wiley   +1 more source

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