Possible high-energy negative temperature states after fine-tuning
Sign Up to like & getrecommendations! Published in 2019 at "Astrophysics and Space Science"
DOI: 10.1007/s10509-019-3606-0
Abstract: With the steady-state assumption we approximately solve the simplified reaction-diffusion equation together with isothermal boundary conditions via the boundary perturbation approach and obtain the possible negative (dimensionless) temperatures (around the order of magnitude of \(10^{14}\))… read more here.
Keywords: energy negative; negative temperature; possible high; high energy ... See more keywords
New negative temperature coefficient ceramics in Zr-doped CaCu3Ti4O12 system
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.153476
Abstract: Abstract In this study, negative temperature coefficient (NTC) ceramics based on CaCu3Ti4-xZrxO12(0 ≦ x ≦ 0.15) compositions have been successfully synthesized by traditional solid-state method. X-ray diffraction results show that the major phase of all samples is CaCu3Ti4O12 (CCTO)… read more here.
Keywords: new negative; temperature; cacu3ti4 xzrxo12; temperature coefficient ... See more keywords
An Ultrahigh Linear Sensitive Temperature Sensor Based on PANI:Graphene and PDMS Hybrid with Negative Temperature Compensation.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c10342
Abstract: The detection of human body temperature is one of the important indicators to reflect the physical condition. In order to accurately judge the state of the human body, a high-performance temperature sensor with fast response,… read more here.
Keywords: temperature compensation; temperature sensor; high sensitivity; temperature ... See more keywords
Exact Analytical Model for Bose-Einstein Condensate at Negative Temperature
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-65765-9
Abstract: We present an exact analytical model of a cigar-shaped Bose-Einstein condensate at negative temperature. This work is motivated by the first experimental discovery of negative temperature in Bose-Einstein condensate by Braun et al . We… read more here.
Keywords: einstein condensate; temperature; bose einstein; condensate ... See more keywords
Anomalous electrical conduction and negative temperature coefficient of resistance in nanostructured gold resistive switching films
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-76632-y
Abstract: We report the observation of non-metallic electrical conduction, resistive switching, and a negative temperature coefficient of resistance in nanostructured gold films above the electrical percolation and in strong-coupling regime, from room down to cryogenic temperatures… read more here.
Keywords: temperature; resistive switching; electrical conduction; temperature coefficient ... See more keywords
Negative Temperature Differential in Preterm Infants Less Than 29 Weeks Gestational Age: Associations With Infection and Maternal Smoking
Sign Up to like & getrecommendations! Published in 2017 at "Nursing Research"
DOI: 10.1097/nnr.0000000000000250
Abstract: Background Hypothermia is related to increased morbidity and mortality in very preterm infants; continuous temperature monitoring is necessary. Thermoregulation is limited in preterm infants. Objectives The purpose of the research was to assess and describe… read more here.
Keywords: infants less; temperature; preterm infants; less weeks ... See more keywords
Equilibrium and nonequilibrium description of negative temperature states in a one-dimensional lattice using a wave kinetic approach.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.105.014206
Abstract: We predict negative temperature states in the discrete nonlinear Schödinger (DNLS) equation as exact solutions of the associated wave kinetic equation. Within the wave kinetic approach, we define an entropy that results monotonic in time… read more here.
Keywords: temperature states; equilibrium; negative temperature; wave kinetic ... See more keywords
Modeling, Fabrication, and Characterization of Large Carbon Nanotube Interconnects With Negative Temperature Coefficient of the Resistance
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Components, Packaging and Manufacturing Technology"
DOI: 10.1109/tcpmt.2016.2643007
Abstract: One of the most appealing properties of carbon nanotube (CNT) interconnects is the possibility of exhibiting, under certain circumstances, a negative temperature coefficient of the electrical resistance, i.e., a resistance that decreases as temperature increases.… read more here.
Keywords: temperature; carbon nanotube; temperature coefficient; resistance ... See more keywords
Negative Temperature Dependence of Recrystallized Grain Size: Formulation and Experimental Confirmation on Copper
Sign Up to like & getrecommendations! Published in 2017 at "Materials"
DOI: 10.3390/ma10030308
Abstract: The catalyzing effect on nucleation of recrystallization from existing grains resulting from previous lower temperature deformation is analyzed, analogous to the size effect of foreign nucleus in heterogeneous nucleation. Analytical formulation of the effective nucleation… read more here.
Keywords: temperature; dependence recrystallized; recrystallized grain; size ... See more keywords
Effect of Modified Magnesium Oxide on the Properties of Magnesium Phosphate Cement under a Negative Temperature Environment
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15249047
Abstract: As a rapid repair material, magnesium phosphate cement (MPC) can be used under various environmental temperature conditions, but different temperatures significantly impact its strength and working performance. In this study, based on the surface modification… read more here.
Keywords: magnesium; phosphate cement; temperature; magnesium oxide ... See more keywords