Publications by authors named "I D Barcelos"
The advent of memristors and resistive switching has transformed solid-state physics, enabling advanced applications such as neuromorphic computing. Inspired by these developments, we introduce the concept of Mem-emitters, devices that manipulate light-emission properties of semiconductors to achieve memory functionalities. Mem-emitters, influenced by past exposure to stimuli, offer a new approach to optoelectronic computing with potential for enhanced speed, efficiency, and integration.
View Article and Find Full Text PDFRickettsiosis is a disease caused by bacteria belonging to the genus Rickettsia, and is a potentially fatal zoonotic disease of great medical and veterinary importance. Given the urgent need to develop new diagnostic methods for detecting this disease, the present review aimed to evaluate the number of publications dedicated to the identification of Rickettsia spp. in human samples using molecular methods, such as polymerase chain reaction and its variations.
View Article and Find Full Text PDFTwo-dimensional (2D) materials, particularly transition metal dichalcogenides (TMDs), have gathered significant attention due to their interesting electrical and optical properties. Among TMDs, monolayers of WSeexhibit a direct band gap and high exciton binding energy, which enhances photon emission and absorption even at room temperature. This study investigates the electronic and optical properties of WSemonolayers when they are mechanically transferred to indium tin oxide (ITO) substrates.
View Article and Find Full Text PDFArticle Synopsis
- The study reports on nine new cases of Ceroid lipofuscinosis type 11 (CLN11) from Latin American families, a rare disease with previously limited documentation.
- Patients showed slow disease progression, with symptoms including visual impairment, seizures, and cognitive decline, starting between ages 3 and 17.
- The findings highlight a potential diagnostic clue for CLN11 and include two specific genetic variants associated with the condition.
Article Synopsis
- - Monolayer transition metal dichalcogenides (TMDs), like WSe, are being studied for their potential to create single-photon emitters (SPEs), essential for quantum technologies.
- - Current research employs magneto-optical techniques to examine how different magnetic fields and strain affect the excitonic states and optical properties of SPEs in WSe monolayers.
- - Findings include a surprising redshift in PL energy without changes in intensity, attributed to intervalley defect excitons, which enhances understanding of SPEs for future applications.