在 (AgI) - C(1-x)混合物中,使用基于随机变量理论的模拟模型证明近距离效应
Hernando Correa1, Diego Peña Lara2,3, Edgar Mosquera-Vargas2,3
1Instituto Interdisciplinario de las Ciencias, Universidad del Quindío, Armenia 630004, Colombia.
Molecules (Basel, Switzerland)
|June 19, 2024
概括
将碳添加到银化物中,可以产生具有可调节导电性的混合导体. 这种新材料具有增强的离子和电子特性,可通过温度和碳度进行控制.
科学领域:
- 材料科学 材料科学 材料科学
- 固态化学 固态化学
- 凝聚物质物理学 凝聚物质物理学
背景情况:
- 化银 (AgI) 是一个众所周知的超离子导体,在420K时具有明显的相变,导致离子导电率显著增加.
- 将碳纳入AgI产生了一种具有混合离子和电子导电性的新材料,导电性随温度增加而增加.
研究的目的:
- 在低碳度下研究 (AgI) x-C(1-x) 混合物的离子导电性.
- 分析这些复合材料中的离子导电性,温度和碳度之间的关系.
主要方法:
- 对 (AgI) x-C(1-x) 混合物 (x = 0.99, 0.98, 0.97) 的离子导电率作为相互温度的函数的实验测量 (x = 0.99, 0.98).
- 将实验数据与基于随机变量理论和载体概率分布函数的现象学模型相匹配.
主要成果:
- 成功模拟了 (AgI) x-C(1-x) 混合物的离子导电性行为.
- 实验数据显示了碳和AgI相之间的近距离效应.
- 发现碳度和温度都能有效控制复合材料的导电性.
结论:
- (AgI) x-C(1-x) 系统显示了可调节的导电性,这是由于AgI和碳相之间的近距离效应.
- 这种复合材料为需要控制的离子和电子传输的应用提供了潜力.
相关概念视频
Mean free path and Mean free time
3.5K
Consider the gas molecules in a cylinder. They move in a random motion as they collide with each other and change speed and direction. The average of all the path lengths between collisions is known as the "mean free path."
3.5K
Mechanistic Models: Compartment Models in Individual and Population Analysis
36
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
36
Random Error
879
Random or indeterminate errors originate from various uncontrollable variables, such as variations in environmental conditions, instrument imperfections, or the inherent variability of the phenomena being measured. Usually, these errors cannot be predicted, estimated, or characterized because their direction and magnitude often vary in magnitude and direction even during consecutive measurements. As a result, they are difficult to eliminate. However, the aggregate effect of these errors can be...
879
Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion
28.8K
Although gaseous molecules travel at tremendous speeds (hundreds of meters per second), they collide with other gaseous molecules and travel in many different directions before reaching the desired target. At room temperature, a gaseous molecule will experience billions of collisions per second. The mean free path is the average distance a molecule travels between collisions. The mean free path increases with decreasing pressure; in general, the mean free path for a gaseous molecule will be...
28.8K
Maxwell-Boltzmann Distribution: Problem Solving
1.5K
Individual molecules in a gas move in random directions, but a gas containing numerous molecules has a predictable distribution of molecular speeds, which is known as the Maxwell-Boltzmann distribution, f(v).
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
1.5K
Propagation of Uncertainty from Random Error
677
An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
677


