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Room Temperature Semiconductor-Metal Transition Of MoTe2 Thin ...
We demonstrate a room temperature semiconductor-metal transition in thin film MoTe2 engineered by strain. Reduction of the 2H-1T' phase transition temperature of MoTe2 to room temperature was realized by introducing a tensile strain of 0.2%. The observed first-order SM transition improved conductanc … We demonstrate a room temperature semiconductor-metal transition in thin film MoTe2 engineered by strain. Reduction of the 2H-1T' phase transition ... [ReadMore..]
Room Temperature Spin Polarized Injection In Organic Semiconductor ...
Spintronics is a new branch of electronics based on purely quantum effects. Instead of carrier charge transfer, as in usual electronics, it evokes car… Here we report a first experimental evidence of room temperature direct spin polarized injection in sexithienyl (T6), a prototypical organic semiconductor, ... [ReadMore..]
How Close Are We To The Holy Grail Of Room-Temperature ...
The dream of zero resistance is closer than you may think. Jul 7, 2021 ... How Close Are We To The Holy Grail Of Room-Temperature Superconductors? ... Unlike normal conductors, where the resistance gradually lowers ... [ReadMore..]
Room-temperature Superconductor - Wikipedia
A room-temperature superconductor is a material that is capable of exhibiting superconductivity at operating temperatures above 0 °C (273 K; 32 °F), ... [ReadMore..]
Room Temperature Superconductor? Rochester Lab Sets New Record ...
University of Rochester scientists synthesize new superconducting materials, paving the way to realizing a room temperature superconductor. Mar 30, 2021 ... The result was a new record: a material that exhibited superconductivity at about 58 degrees Fahrenheit and a pressure of about 39 million ... [ReadMore..]
Room Temperature Semiconductor–Metal Transition Of MoTe2 Thin ...
We demonstrate a room temperature semiconductor–metal transition in thin film MoTe2 engineered by strain. Reduction of the 2H-1T′ phase transition temperature of MoTe2 to room temperature was realized by introducing a tensile strain of 0.2%. The observed first-order SM transition improved conductance ∼10 000 times and was made possible by an unusually large temperature-stress coefficient, which results from a large volume change and small latent heat. The demonstrated strain-modulation of the phase transition temperature is expected to be compatible with other TMDs enabling the 2D electronics utilizing polymorphism of TMDs along with the established materials. Dec 29, 2015 ... We demonstrate a room temperature semiconductor–metal transition in thin film MoTe2 engineered by strain. Reduction of the 2H-1T′ phase ... [ReadMore..]
Room‐Temperature Ferromagnetism In Perylene Diimide Organic ...
Organic semiconductors with negligible spin–orbital couplings are potential materials for spintronics. Room-temperature ferromagnetism is revealed in perylene diimide (PDI) semiconductor with high mo... Jan 7, 2022 ... The findings suggest that the long-range ferromagnetic ordering can survive at room-temperature in organic semiconductors, and offers a new ... [ReadMore..]
Scientists Discover The First Room-Temperature Superconductor ...
Physicists finally achieved the long-sought goal, but there’s a catch: Their compound requires crushing pressures to keep from falling apart. Oct 25, 2020 ... A team of physicists in New York has discovered a material that conducts electricity with perfect efficiency at room temperature—a ... [ReadMore..]
Ferromagnetism Above Room Temperature In A Ni-Doped Organic ...
Ferromagnetic semiconductors with structural flexibility are an indispensable feature for future flexible spin-electronic applications. In this case, we introduce magnetic ingredients into an organic semiconductor, namely, pentacene, to form a ferromagnetic organic semiconductor (FOS). The first observation for ferromagnetic Ni-doped pentacene semiconductors at room temperature in the field of semiconductor spintronics is reported in this article. To date, the mechanism of FOSs with ferromagnetism is not understood yet, especially when their Curie temperature is enhanced above room temperature. Here, we demonstrate dopants of Ni atoms and the modulation of the growth temperature in the FOS films to achieve room-temperature ferromagnetic properties in a series of FOS films, one of which has a maximum coercivity of 257.6 Oe. The spin-exchange interaction between a Ni atom and a pentacene molecule is detected through the magnetic hysteresis obtained using a superconducting quantum interference device magnetomete Jul 16, 2021 ... The first observation for ferromagnetic Ni-doped pentacene semiconductors at room temperature in the field of semiconductor spintronics is ... [ReadMore..]
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Room Temperature Semiconductor Detectors For Nuclear Security ...
Preventing radioactive sources from being used for harmful purposes is a global challenge. A requirement for solving the challenge is developing radiation detectors that are efficient, sensitive, a... A requirement for solving the challenge is developing radiation detectors that are efficient, sensitive, and practical. Room temperature semiconductor detectors ... [ReadMore..]
Single-crystal Studies And Electronic Structure Investigation Of The ...
Synthesis of single-crystalline NaMnAs is reported, and we confirm its high quality by x-ray photoemission spectra. Magnetometry results are consistent with previous findings of antiferromagnetic order. The electronic structure was further studied using optical transmittance and by theoretical modeling using local-density approximation (LDA) extended to LDA $+ U$ for the purpose of determining the Heisenberg model parameters. Optical transmittance measurements confirm theoretical predictions that NaMnAs is a semiconductor. The N\'eel temperature was determined from temperature dependence of susceptibility, in agreement with our Monte Carlo simulations. Mar 31, 2022 ... The N\'eel temperature was determined from temperature dependence of ... investigation of the room-temperature semiconductor NaMnAs. [ReadMore..]
