Publications by authors named "Jack N Olding"
ConspectusThe electronic dimensionality of a material is defined by the number of spatial degrees of confinement of its electronic wave function. Low-dimensional semiconductor nanomaterials with at least one degree of spatial confinement have optoelectronic properties that are tunable with size and environment (dielectric and chemical) and are of particular interest for optoelectronic applications such as light detection, light harvesting, and photocatalysis. By combining nanomaterials of differing dimensionalities, mixed-dimensional heterojunctions (MDHJs) exploit the desirable characteristics of their components.
View Article and Find Full Text PDFArticle Synopsis
- BaFMnTe is a newly discovered mixed-anion semiconductor that combines antiferromagnetism and strong red photoluminescence, making it a potential candidate for opto-spintronic applications.
- The material is synthesized using a method called "panoramic synthesis," and it forms through a heating process that reveals a complex crystal structure and unique Mn cation ordering.
- First-principles calculations indicate it has an indirect band gap of 1.76 eV, and time-resolved photoluminescence studies demonstrate multiple emissive states with varying lifetimes, suggesting energy transfer processes.
Charge Separation in Epitaxial SnS/MoS Vertical Heterojunctions Grown by Low-Temperature Pulsed MOCVD.
ACS Appl Mater Interfaces
October 2019
The weak van der Waals bonding between monolayers in layered materials enables fabrication of heterostructures without the constraints of conventional heteroepitaxy. Although many novel heterostructures have been created by mechanical exfoliation and stacking, the direct growth of 2D chalcogenide heterostructures creates new opportunities for large-scale integration. This paper describes the epitaxial growth of layered, -type tin sulfide (SnS) on -type molybdenum disulfide (MoS) by pulsed metal-organic chemical vapor deposition at 180 °C.
View Article and Find Full Text PDF