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The Stability of Metallic MoS₂ Nanosheets and Their Property Change by Annealing
This article focuses on the effects of mild annealing on the structural and physical properties of the MoS₂ by heating the nanosheets in air and vacuum up to 350 °C. It was found that the annealing leads to an increase in resistivity for the nanosheets by 3 orders of magnitude, the appearance of two absorption bands in the visible range, and a hydrophilic to hydrophobic change in the surface wetting properties. Overall, this study provides another way to control the electrical, optical, and surface properties of MoS₂ nanosheets for fulfilling the needs of various applications.
Date:
September 24, 2019
Creator:
Li, Li; Chen, Jiyang; Wu, Keyue; Cao, Chunbin; Shi, Shiwei & Cui, Jingbiao
Object Type:
Article
System:
The UNT Digital Library
Attention-Based Dense Point Cloud Reconstruction From a Single Image
Article proposes a two-stage training dense point cloud generation network.
Date:
September 23, 2019
Creator:
Lu, Qiang; Xiao, Mingjie; Lu, Yiyang; Yuan, Xiaohui & Yu, Ye
Object Type:
Article
System:
The UNT Digital Library
Corrosion Behavior of Selectively Laser Melted CoCrFeMnNi High Entropy Alloy
The article focuses on a study that widens the toolbox to manufacture HEAs with exceptional corrosion resistance by additive manufacturing. CoCrFeMnNi high entropy alloys (HEAs) were additively manufactured (AM) by laser powder bed fusion and their corrosion resistance in 3.5 wt% NaCl solution was studied by potentiodynamic polarization and electrochemical impedance spectroscopy tests. A systematic study of AM CoCrFeMnNi HEAs’ porosity under a wide range of laser processing parameters was conducted and a processing map was constructed to identify the optimal laser processing window for CoCrFeMnNi HEAs.
Date:
September 23, 2019
Creator:
Ren, Jie; Mahajan, Chaitanya; Liu, Liang; Follette, David; Chen, Wen & Mukherjee, Sundeep
Object Type:
Article
System:
The UNT Digital Library
Existence of Infinitely Many Solutions for Singular Semilinear Problems on Exterior Domains
Article proving the existence of infinitely many radial solutions of ∆𝓊+𝐾(𝓇) ƒ (𝓊) = 0 on the exterior of the ball of radius R > 0, BR, centered at the origin in ℝᴺ with u = 0 on ∂BR and lim/r→∞ 𝓊(𝓇) = 0 where N > 2, f is odd with f < 0 on (0, β), f > 0 on (β, ∞), f is superlinear for large u, ƒ(𝓊) ∼ −1/(|𝓊|𝘲⁻¹𝓊) with 0 < q < 1 for small u, and 0 < 𝐾(𝓇) ≤ 𝐾₁/r∝ with 𝑁 + q(𝑁 − 2) < ∝ < 2(𝑁− 1) for large r.
Date:
March 9, 2018
Creator:
Iaia, Joseph A.
Object Type:
Article
System:
The UNT Digital Library
Fundamentals of three-dimensional Yb-fiber Nd:YAG laser machining of structural bone
This article presents a study that aims to understand the fundamental aspects of the laser-bone interaction in three-dimensional laser machining of the bone through an integrated experimental-computational approach.
Date:
June 28, 2019
Creator:
Dahotre, Narendra B.; Pantawane, Mangesh V.; Robertson, William B.; Khan, Riaz J. K. & Fick, Daniel P.
Object Type:
Article
System:
The UNT Digital Library
Mechanical Properties of Chemically Modified Clay
Article uses first principles methods to compare the mechanical properties of lizardite Mg3(Si2O5)(OH)4, a polymorph of serpentine family, with the new compounds derived by substituting Mg ions with isovalent elements from different chemical groups.
Date:
September 23, 2019
Creator:
Gusmão, M. S.; Gopal, Priya; Siloi, Ilaria; Curtarolo, Stefano; Fornari, Marco & Buongiorno Nardelli, Marco
Object Type:
Article
System:
The UNT Digital Library
Using Metadata Record Graphs to Understand Digital Library Metadata
Presentation discussing the evaluation of network analysis (with Metadata Record Graphs) for metadata in six digital library collections, to determine the usefulness of network-based metrics compared to other statistical data.
Date:
September 23, 2019
Creator:
Phillips, Mark Edward
Object Type:
Presentation
System:
The UNT Digital Library
Grant Proposal: Developing a Data Trust for Open Access Ebook Usage
Grant proposal narrative for a project to build a pilot data trust related to usage of open access (OA) monographs that will allow authors and institutions to analyze the data in a secured system. Includes appendices for principal related efforts, curriculum vitae for the principal investigators, descriptions for positions that will be hired with grant funds, budget information, and meeting agendas.
Date:
Autumn 2019
Creator:
Hawkins, Kevin S.
Object Type:
Text
System:
The UNT Digital Library
Artificially structured boundary plasma trap
This article presents a computer simulation of single-species non-neutral plasma confinement using an artificially structured boundary. The results support the prospect of developing plasma space-charge based confinement, with an unmagnetized plasma of one species of charged particles confined by an electric field produced by an edge-confined plasma of a second species of charged particles.
Date:
September 20, 2019
Creator:
Hedlof, R. M. & Ordonez, Carlos A.
Object Type:
Article
System:
The UNT Digital Library
The Technical Efficiency of French Regional Airports and Low-Cost Carrier Terminals
Study focuses on the viability of regional airports in France through technical efficiency using data envelopment, principle component analysis, Malmquist productivity index, and regression analysis using bootstrapping.
Date:
September 18, 2019
Creator:
Hong, Seock-Jin & Jeon, Minjun
Object Type:
Article
System:
The UNT Digital Library
Atomic layer deposition of h-BN(0001) multilayers on Ni(111) and chemical vapor deposition of graphene on h-BN(0001)/Ni(111)
Article studying atomic layer deposition. In situ direct, epitaxial growth of multilayers of hexagonal boron nitride (h-BN) and graphene without physical transfer is of significant interest for the scalable production of graphene/h-BN heterostructures for device applications. Deposition on magnetic substrates is of particular interest for spin tunneling applications. X-ray photoelectron spectroscopy and low energy electron diffraction demonstrate epitaxial atomic-layer deposition (ALD) of multilayer h-BN(0001) on Ni(111) and subsequent deposition of azimuthally-aligned multilayer graphene on h-BN(0001)/Ni(111) by chemical vapor deposition. Boron nitride ALD was accomplished with alternating cycles of BCl₃/NH₃ at a 600 K substrate temperature, and subsequent annealing in ultrahigh vacuum. Subsequent deposition of graphene was achieved by chemical vapor deposition using ethylene (CH₂CH₂) at 1000 K.
Date:
September 17, 2019
Creator:
Kelber, Jeffry A.; Jones, Jessica; Pilli, Aparna; Lee, Veronica; Beatty, John; Beauclair, Brock et al.
Object Type:
Article
System:
The UNT Digital Library
A Combined Metabolomics and Fluxomics Analysis Identifies Steps Limiting Oil Synthesis in Maize Embryos
Article comparing the metabolism of embryos from two different maize lines, Alex and LH59, to test the hypothesis that directly changing their carbon metabolism may be the key to increasing oil content in maize kernels without affecting yield.
Date:
September 17, 2019
Creator:
Alonso, Ana Paula; Cocuron, Jean-Christophe; Koubaa, Mohamed; Kimmelfield, Rebecca & Ross, Zacchary
Object Type:
Article
System:
The UNT Digital Library
Mixed-Methods Assessment of a Mentoring Program
This article describes how a large academic library's continuous cycle of mixed-methods assessment contributes to the success of their mentoring program. Assessment instruments include the Mentoring Competencies Assessment, the Fear of Negative Evaluation Scale, a satisfaction survey and a focus group.
Date:
September 16, 2019
Creator:
Harker, Karen; O'Toole, Erin; Keshmiripour, Setareh; McIntosh, Marcia & Sassen, Catherine
Object Type:
Article
System:
The UNT Digital Library
On the evolving nature of c/a ratio in a hexagonal close-packed epsilon martensite phase in transformative high entropy alloys
Article studying c/a ratio and transformation volume change of h.c.p. (hexagonal close packed) epsilon martensite phase in transformative high entropy alloys (HEAs) quantified as functions of alloy chemistry, friction stir processing and tensile deformation. The study reveals that while intrinsic c/a is dependent on alloying elements, c/a of epsilon in transformative HEAs changes with processing and deformation.
Date:
June 18, 2019
Creator:
Sinha, Subhasis; Nene, Saurabh S.; Frank, Michael; Liu, Kaimiao; Agrawal, Priyanka & Mishra, Rajiv
Object Type:
Article
System:
The UNT Digital Library
On the evolving nature of c/a ratio in a hexagonal close-packed epsilon martensite phase in transformative high entropy alloys
Article describes a study in which c/a ratio and transformation volume change of h.c.p. epsilon martensite phase in transformative high entropy alloys (HEAs) were quantified as functions of alloy chemistry, friction stir processing and tensile deformation.
Date:
September 12, 2019
Creator:
Sinha, Subhasis; Nene, Saurabh S.; Frank, Michael; Liu, Kaimiao; Agrawal, Priyanka & Mishra, Rajiv
Object Type:
Article
System:
The UNT Digital Library
Revisiting surface core-level shifts for ionic compounds
Article establishing a theoretical method which is able to relate the binding energy shifts to the electronic structure of a material. In order to establish such a methodology, the CaO(100) surface to bulk core-level binding energy shifts are studied with Hartree-Fock and density-functional theory methods using both cluster and periodic slab models.
Date:
September 12, 2019
Creator:
Bagus, Paul S.; Nelin, Connie J.; Zhao, Xunhua; Levchenko, Sergey V.; Davis, Earl; Weng, Xuefei et al.
Object Type:
Article
System:
The UNT Digital Library
Deaf Adults’ Health Literacy and Access to Health Information: Protocol for a Multicenter Mixed Methods Study
Article where the study aims to elucidate the role of information marginalization on health literacy in Deaf ASL users and to better understand the mechanisms of health literacy in this population for the purpose of identifying viable targets for future health literacy interventions.
Date:
September 10, 2019
Creator:
McKee, Michael M.; Hauser, Peter C.; Champlin, Sara; Paasche-Orlow, Michael; Wyse, Kelley; Cuculick, Jessica et al.
Object Type:
Article
System:
The UNT Digital Library
Righting the Ship: One library's experience from a front-line librarian's perspective
This presentation explains the process librarians took to make collection cuts. They focused on larger vendors and subscriptions where possible, and they made decisions based on standardized criteria. It was presented at the Texas Council of Academic Libraries in September of 2019.
Date:
September 10, 2019
Creator:
Crawford, Laurel
Object Type:
Presentation
System:
The UNT Digital Library
A Bio-Hygromorph Fabricated with Fish Swim Bladder Hydrogel and Wood Flour-Filled Polylactic Acid Scaffold by 3D Printing
Describes a study where researchers constructed a bio-hygromorph using fish swim bladder hydrogel as the hydrophilic material and wood flour-filled polylactic acid (WPLA) scaffold, which was printed with fused deposition modeling (FDM) 3D printing technology (3DP).
Date:
September 7, 2019
Creator:
Li, Peng; Pan, Ling; Liu, Dexi; Tao, Yubo & Shi, Sheldon
Object Type:
Article
System:
The UNT Digital Library
Anacreon Who? How a Poem and a Tune Found Each Other to Make our National Anthem [Presentation]
Access:
Use of this item is restricted to the UNT Community
Presentation on the history of the Star Spangled Banner for the Denton (Benjamin Lyon) chapter of the Daughters of the American Revolution on September 6, 2019.
Date:
September 6, 2019
Creator:
Feustle, Maristella
Object Type:
Presentation
System:
The UNT Digital Library
Anacreon Who? How a Poem and a Tune Found Each Other to Make our National Anthem [Presentation Notes]
Access:
Use of this item is restricted to the UNT Community
Notes to accompany a presentation on the history of the Star Spangled Banner for the Denton (Benjamin Lyon) chapter of the Daughters of the American Revolution on September 6, 2019.
Date:
September 6, 2019
Creator:
Feustle, Maristella
Object Type:
Text
System:
The UNT Digital Library
A Latent Profile Analysis of Violent Offenders Based on PCL-R Factor Scores: Criminogenic Needs and Recidivism Risk
Article describes study where latent profile analysis was used to investigate if homogeneous latent classes of psychopathy exist within a sample of 215 adult male violent offenders from Berlin, Germany.
Date:
September 6, 2019
Creator:
Lehmann, Robert Johann Bernhard; Neumann, Craig S.; Hare, Robert Douglas; Biedermann, Jürgen; Dahle, Klaus-Peter & Mokros, Andreas
Object Type:
Article
System:
The UNT Digital Library
Parental stressor exposure simultaneously conveys both adaptive and maladaptive larval phenotypes through epigenetic inheritance in the zebrafish (Danio rerio)
This article is a study using crude oil as an example of an environmental stressor in adult zebrafish. The offspring obtained were then assessed for transgenerational epigenetic transfer of oil-induced phenotypes. The authors conclude that epigenetic transgenerational inheritance can lead to an immediate and simultaneous inheritance of both beneficial and maladaptive traits in a large proportion of the F1 larvae. The adaptive responses may help fish populations survive when facing transient environmental stressors.
Date:
September 5, 2019
Creator:
Bautista, Naim M. & Burggren, Warren W.
Object Type:
Article
System:
The UNT Digital Library
Structure and Electronic Properties of InSb Nanowires Grown in Flexible Polycarbonate Membranes
The article explores the various factors that affect nucleation and nanowire growth. A dense array of vertically aligned indium antimonide (InSb) nanowires with high aspect ratio were grown in the pores of a track-etched polycarbonate membrane via a one-step electrochemical method.
Date:
September 5, 2019
Creator:
Singh, Abhay; Roccapriore, Kevin M.; Algarni, Zaina; Salloom, Riyadh; Golden, Teresa Diane, 1963- & Philipose, Usha
Object Type:
Article
System:
The UNT Digital Library