AI Article Synopsis
- The study examines conduction mechanisms in mechanically exfoliated PbSnSe by analyzing current-voltage behavior at different temperatures.
- A transition from direct tunneling to Fowler-Nordheim tunneling is identified at 2.63 V, and at lower temperatures, a 3D Mott variable range hopping model provides a good fit with a calculated density of states.
- The Poole-Frenkel conduction is noted in the gold/PbSnSe/gold device while also revealing trap characteristics, including a significant trap density and calculated dielectric constant.
Article Abstract
In this study, we report the observation of various conduction mechanisms in mechanically exfoliated PbSnSe based on temperature-dependent current and voltage characteristics. A transition from direct tunneling to Fowler-Nordheim tunneling in PbSnSe was observed at 2.63 V. At lower temperatures, the 3D Mott variable range hopping model fits the data, yielding a density of states of ∼8.80 × 10 eV cm at 2 V. The values of and were 64 meV and 22.7 nm, respectively, at 250 K. The Poole-Frenkel conduction was observed in the Au/PbSnSe/Au device and the dielectric constant of PbSnSe was calculated to be 1.4. At intermediate voltages, a space charge limited current with an exponential distribution of traps was observed and a trap density of ∼9.53 × 10 cm and a trap characteristic temperature of 430 K were calculated for the Au/PbSnSe/Au device.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10865302 | PMC |
| http://dx.doi.org/10.1039/d3ra07812d | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Wellbeing and the Lived Experience of Injured Workers Following Finalisation of a Workers' Compensation Claim.
J Occup Rehabil
January 2025
Faculty of Health Sciences, Curtin School of Allied Health, Curtin University, Perth, WA, Australia.
Purpose: Workers' compensation claims can negatively affect the wellbeing of injured workers. For some, these negative effects continue beyond finalisation of the workers' compensation claim. It is unclear what factors influence wellbeing following finalisation of a workers' compensation claim.
View Article and Find Full Text PDFOral Cancer Stem Cells: A Comprehensive Review of Key Drivers of Treatment Resistance and Tumor Recurrence.
Eur J Pharmacol
January 2025
Department of Conservative Dentistry & Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, Tamil Nadu, India. Electronic address:
Oral squamous cell carcinoma (OSCC) remains a major cause of morbidity and mortality worldwide with high recurrence rates and resistance to conventional therapies. Recent studies have highlighted the pivotal role of oral cancer stem cells (OCSCs) in driving treatment resistance and tumor recurrence. OCSCs possess unique properties, including self-renewal, differentiation potential, and resistance to chemotherapy and radiotherapy, which contribute to their ability to survive treatment and initiate tumor relapse.
View Article and Find Full Text PDFPreliminary study of gunshot residues in entry holes at different angles: Feasibility of using LIBS to support trajectory estimation.
Forensic Sci Int
December 2024
Ballistics Section of the Spanish Scientific Police Headquarters (National Police), Julián González Segador s/n, Madrid, Spain; Instituto Universitario de Investigación en Ciencias Policiales (IUICP), Universidad de Alcalá, Alcalá de Henares, Madrid, Spain.
Firearm-related scenarios can be highly complex, involving multiple shooters, firearms, types of ammunition, victims, and various impact zones. Obtaining the maximum amount of information to connect each piece of the puzzle is crucial for resolving these cases. Currently, new tools are being developed in the forensic field that facilitate both fieldwork and laboratory analysis, enabling the estimation of trajectories, identification of shooters, and more.
View Article and Find Full Text PDFTEMPO-Mediated Direct C(sp)-H Alkoxylation/Aryloxylation of 1,4-Quinones.
J Org Chem
January 2025
Department of Chemistry, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India.
A convenient and efficient transition-metal-free method has been developed for the C(sp)-H alkoxylation/aryloxylation of 1,4-quinones by direct cross-dehydrogenative coupling with readily available alcohols and phenols in the presence of TEMPO under simple and mild conditions. The method allowed the installation of a wide range of alkoxy/aryloxy groups, exhibited high functional group tolerance, showed a broad substrate scope, afforded good to excellent yields of products in a simple one-pot operation, and could be performed on a gram scale. Mechanistic investigation indicated the involvement of the radical pathway.
View Article and Find Full Text PDFEnhanced Light-Matter Interaction with Bloch Surface Wave Modulated Plasmonic Nanocavities.
Nano Lett
January 2025
State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University, 100871 Beijing, China.
Article Synopsis
- Strong coupling between nanocavities and single excitons at room temperature is crucial for studying cavity quantum electrodynamics, influenced by factors like light confinement and electric field orientation.
- A hybrid cavity design combining a one-dimensional photonic crystal and plasmonic nanocavity enhances quality factor, minimizes mode volume, and allows control of electric field direction using Bloch surface waves.
- Achieving a Rabi splitting of around 186 meV with only 8 excitons involved marks a significant advance, producing an effective coupling strength of 17.6 meV per exciton, which is nearly double the previously reported values for TMD-based systems.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!