sheet conductivity

简明释义

薄层导电率

英英释义

例句

1.The engineers measured the sheet conductivity to determine how well the material would perform in electrical applications.

工程师测量了片导电性以确定材料在电气应用中的性能。

2.The sheet conductivity of the graphite used in batteries affects their overall performance and lifespan.

用于电池的石墨的片导电性影响其整体性能和使用寿命。

3.The team found that increasing the thickness of the layer decreased the sheet conductivity significantly.

团队发现，增加层的厚度显著降低了片导电性。

4.In solar panel manufacturing, high sheet conductivity is crucial for maximizing energy conversion efficiency.

在太阳能电池板制造中，高片导电性对于最大化能量转换效率至关重要。

5.Researchers are exploring new materials with improved sheet conductivity for flexible electronics.

研究人员正在探索具有改进的片导电性的新材料，以用于柔性电子产品。

作文

In the field of materials science and engineering, understanding the electrical properties of various materials is crucial for developing new technologies. One important concept in this domain is sheet conductivity, which refers to the ability of a material to conduct electricity across a two-dimensional plane. This property is particularly significant in applications involving thin films, coatings, and two-dimensional materials such as graphene. Sheet conductivity can be defined as the ratio of the current flowing through a unit width of a material to the voltage across that width. It is measured in units of siemens per square (S/m²), emphasizing its dependence on the geometry of the material as well as its intrinsic electrical properties.The importance of sheet conductivity lies in its application in various technologies, including flexible electronics, solar cells, and sensors. For instance, in flexible electronics, materials with high sheet conductivity are essential for creating lightweight and bendable devices that maintain their performance under mechanical stress. In solar cells, optimizing the sheet conductivity of transparent conductive oxides can enhance light absorption and improve overall efficiency. Moreover, in sensors, materials with tailored sheet conductivity can lead to enhanced sensitivity and faster response times, which are critical for real-time monitoring applications.To measure sheet conductivity, researchers often use techniques such as the four-point probe method, which minimizes the contact resistance and provides accurate readings of the material's electrical properties. This method involves placing four equally spaced probes onto the surface of the material and applying a current through the outer probes while measuring the voltage across the inner probes. The resulting data allows for the calculation of the sheet conductivity by considering the geometry of the probe arrangement and the measured voltage and current values.Furthermore, the sheet conductivity of a material can be influenced by several factors, including temperature, doping levels, and the presence of defects or impurities. For example, increasing the temperature of a semiconductor material typically enhances its sheet conductivity due to increased carrier mobility. Conversely, the introduction of impurities can either increase or decrease sheet conductivity, depending on whether they donate extra charge carriers or create traps that impede their movement.In conclusion, sheet conductivity is a fundamental property that plays a vital role in the performance of various electronic and optoelectronic devices. As technology continues to advance, the ability to manipulate and optimize sheet conductivity will remain a key focus in materials research. Understanding this property not only aids in the development of new materials but also enhances our capacity to innovate in fields such as renewable energy, flexible electronics, and advanced sensing technologies. Thus, mastering the concept of sheet conductivity is essential for anyone looking to make significant contributions to the future of materials science and engineering.

在材料科学和工程领域，理解各种材料的电气特性对于开发新技术至关重要。一个重要的概念是sheet conductivity，它指的是材料在二维平面上导电的能力。这个特性在涉及薄膜、涂层和二维材料（如石墨烯）的应用中尤其重要。sheet conductivity可以定义为流过单位宽度材料的电流与该宽度上的电压之比。它以西门子每平方（S/m²）为单位进行测量，强调了其对材料几何形状以及固有电气特性的依赖。sheet conductivity的重要性体现在它在各种技术中的应用，包括柔性电子产品、太阳能电池和传感器。例如，在柔性电子产品中，具有高sheet conductivity的材料对于制造轻便且可弯曲的设备至关重要，这些设备在机械应力下保持其性能。在太阳能电池中，优化透明导电氧化物的sheet conductivity可以增强光吸收并提高整体效率。此外，在传感器中，具有定制sheet conductivity的材料可以提高灵敏度和响应速度，这对实时监测应用至关重要。为了测量sheet conductivity，研究人员通常使用四探针法，这种方法最小化接触电阻并提供材料电气特性准确的读数。这种方法涉及将四个均匀间隔的探针放置在材料表面上，并通过外部探针施加电流，同时测量内部探针之间的电压。由此产生的数据允许根据探针排列的几何形状以及测得的电压和电流值计算出sheet conductivity。此外，材料的sheet conductivity可能受到几个因素的影响，包括温度、掺杂水平以及缺陷或杂质的存在。例如，增加半导体材料的温度通常会由于载流子迁移率的提高而增强其sheet conductivity。相反，杂质的引入可能会增加或减少sheet conductivity，具体取决于它们是提供额外的电荷载流子还是创建阻碍其移动的陷阱。总之，sheet conductivity是一种基本属性，在各种电子和光电设备的性能中发挥着至关重要的作用。随着技术的不断进步，操控和优化sheet conductivity的能力将始终是材料研究的关键焦点。理解这一特性不仅有助于新材料的开发，还增强了我们在可再生能源、柔性电子和先进传感技术等领域创新的能力。因此，掌握sheet conductivity的概念对于任何希望在材料科学和工程领域做出重大贡献的人来说都是必不可少的。