Search Results - "Sunday, Daniel F"
-
1
Polarized X-ray scattering measures molecular orientation in polymer-grafted nanoparticles
Published in Nature communications (12-08-2021)“…Polymer chains are attached to nanoparticle surfaces for many purposes, including altering solubility, influencing aggregation, dispersion, and even tailoring…”
Get full text
Journal Article -
2
Molecular Orientation Depth Profiles in Organic Glasses Using Polarized Resonant Soft X‑ray Reflectivity
Published in Chemistry of materials (11-08-2020)“…Molecular orientation anisotropy can be critical in functional organic thin films. For instance, it is known that molecular orientation can affect the…”
Get full text
Journal Article -
3
Determination of the Internal Morphology of Nanostructures Patterned by Directed Self Assembly
Published in ACS nano (26-08-2014)“…The directed self-assembly (DSA) of block copolymers (BCP) is an emerging resolution enhancement tool that can multiply or subdivide the pitch of a…”
Get full text
Journal Article -
4
Spatial Control of the Self-assembled Block Copolymer Domain Orientation and Alignment on Photopatterned Surfaces
Published in ACS applied materials & interfaces (20-05-2020)“…Polarity-switching photopatternable guidelines can be directly used to both orient and direct the self-assembly of block copolymers. We report the orientation…”
Get full text
Journal Article -
5
Reducing Block Copolymer Interfacial Widths through Polymer Additives
Published in Macromolecules (10-02-2015)“…There is a need to design new materials to achieve smaller pitches and reduced interfacial widths for block copolymer (BCP) lithography. One option is the use…”
Get full text
Journal Article -
6
Thermal and Rheological Behavior of Polymer Grafted Nanoparticles
Published in Macromolecules (08-12-2015)“…Composite materials consisting of nanoparticles dispersed in a polymer matrix have potential applications in a wide range of fields. Grafting polymer chains to…”
Get full text
Journal Article -
7
Determining the shape and periodicity of nanostructures using small-angle X-ray scattering
Published in Journal of applied crystallography (01-10-2015)“…The semiconductor industry is exploring new metrology techniques capable of meeting the future requirement to characterize three‐dimensional structure where…”
Get full text
Journal Article -
8
Concentration Dependence of the Size and Symmetry of a Bottlebrush Polymer in a Good Solvent
Published in Macromolecules (25-08-2020)“…Bottlebrush polymers consist of a linear backbone with densely grafted side chains which impact the rigidity of the molecule. The persistence length of the…”
Get full text
Journal Article -
9
Confinement and Processing Can Alter the Morphology and Periodicity of Bottlebrush Block Copolymers in Thin Films
Published in ACS nano (22-12-2020)“…Bottlebrush block copolymers (BBCPs) are intriguing architectural variations on linear BCPs with highly tunable structure. Confinement can have a significant…”
Get full text
Journal Article -
10
Determining Structure and Thermodynamics of A‑b‑(B‑r‑C) Copolymers
Published in ACS macro letters (21-02-2023)“…The self-assembly of block copolymers (BCPs) is dictated by their segregation strength, χN, and while there are well-developed methods for determining χ in the…”
Get full text
Journal Article -
11
Self-Assembly of Hierarchical High‑χ Fluorinated Block Copolymers with an Orthogonal Smectic-within-Lamellae 3 nm Sublattice and Vertical Surface Orientation
Published in ACS nano (30-04-2024)“…Hierarchical structure-within-structure assemblies offer a route toward increasingly complex and multifunctional materials while pushing the limits of block…”
Get full text
Journal Article -
12
Buried Structure in Block Copolymer Films Revealed by Soft X‑ray Reflectivity
Published in ACS nano (22-06-2021)“…Interactions between polymers and surfaces can be used to influence properties including mechanical performance in nanocomposites, the glass transition…”
Get full text
Journal Article -
13
Self-Assembly of ABC Bottlebrush Triblock Terpolymers with Evidence for Looped Backbone Conformations
Published in Macromolecules (01-01-2018)“…Bottlebrush block copolymers offer rich opportunities for the design of complex hierarchical materials. As consequences of the densely grafted molecular…”
Get full text
Journal Article -
14
Influence of Additives on the Interfacial Width and Line Edge Roughness in Block Copolymer Lithography
Published in Chemistry of materials (24-03-2020)“…The challenges of patterning next-generation integrated circuits have driven the semiconductor industry to look outside of traditional lithographic methods in…”
Get full text
Journal Article -
15
X‐ray characterization of contact holes for block copolymer lithography
Published in Journal of applied crystallography (01-02-2019)“…The directed self‐assembly (DSA) of block copolymers (BCPs) is a promising low‐cost approach to patterning structures with critical dimensions (CDs) which are…”
Get full text
Journal Article -
16
Characterizing the Interface Scaling of High χ Block Copolymers near the Order–Disorder Transition
Published in Macromolecules (09-01-2018)“…Advancements in the directed self-assembly of block copolymers (BCPs) have prompted the development of new materials with larger effective interaction…”
Get full text
Journal Article -
17
Characterization of the Interfacial Orientation and Molecular Conformation in a Glass-Forming Organic Semiconductor
Published in ACS applied materials & interfaces (19-01-2022)“…The ability to control structure in molecular glasses has enabled them to play a key role in modern technology; in particular, they are ubiquitous in organic…”
Get full text
Journal Article -
18
Derivation of Multiple Covarying Material and Process Parameters Using Physics-Based Modeling of X‑ray Data
Published in Macromolecules (10-10-2017)“…There is considerable interest in developing multimodal characterization frameworks capable of probing critical properties of complex materials by relying on…”
Get full text
Journal Article -
19
Template–polymer commensurability and directed self‐assembly block copolymer lithography
Published in Journal of polymer science. Part B, Polymer physics (15-04-2015)“…Block copolymer directed self‐assembly (BCP) with chemical epitaxy is a promising lithographic solution for patterning features with critical dimensions under…”
Get full text
Journal Article -
20
Thermodynamic and Morphological Behavior of Block Copolymer Blends with Thermal Polymer Additives
Published in Macromolecules (12-07-2016)“…Block copolymer (BCP) blends offer a facile route toward customizable nanomaterials. To better understand these systems, the thermodynamics of…”
Get full text
Journal Article