sheet resistivity

简明释义

薄层电阻率

英英释义

Sheet resistivity is a measure of how strongly a material resists the flow of electric current, expressed in ohms per square (Ω/□), typically used for thin films or surfaces.

片电阻率是衡量材料抵抗电流流动能力的指标,单位为每平方欧姆(Ω/□),通常用于薄膜或表面。

例句

1.Understanding the sheet resistivity 薄膜电阻率 is crucial for designing efficient circuit boards.

理解sheet resistivity 薄膜电阻率对于设计高效的电路板至关重要。

2.The engineer measured the sheet resistivity 薄膜电阻率 of the semiconductor to ensure it meets the specifications.

工程师测量了半导体的sheet resistivity 薄膜电阻率,以确保其符合规格。

3.The sheet resistivity 薄膜电阻率 of the material was tested using a four-point probe method.

材料的sheet resistivity 薄膜电阻率是通过四探针法测试的。

4.To optimize the performance of solar cells, we need to lower the sheet resistivity 薄膜电阻率 of the conductive layer.

为了优化太阳能电池的性能,我们需要降低导电层的sheet resistivity 薄膜电阻率

5.High sheet resistivity 薄膜电阻率 can lead to inefficient current flow in electronic devices.

sheet resistivity 薄膜电阻率可能导致电子设备中的电流流动效率低下。

作文

Understanding the concept of sheet resistivity is crucial in various fields, particularly in electronics and materials science. Sheet resistivity refers to the resistance of a material per unit area and is typically measured in ohms per square (Ω/□). This property is essential for evaluating how well a material can conduct electricity across its surface. In simple terms, it indicates how much a given material resists the flow of electric current when a voltage is applied. In the realm of electronics, sheet resistivity plays a vital role in the design and performance of components such as resistors, capacitors, and transistors. For instance, when designing a printed circuit board (PCB), engineers must consider the sheet resistivity of the conductive materials used. A material with low sheet resistivity will allow for efficient current flow, reducing energy loss and improving overall performance. Conversely, materials with high sheet resistivity may lead to increased power dissipation and heat generation, which can negatively affect the reliability and lifespan of electronic devices. Moreover, the sheet resistivity of a material can be influenced by several factors, including temperature, material composition, and thickness. For example, as temperature increases, the resistivity of most conductive materials also increases, resulting in higher sheet resistivity. Understanding these relationships is essential for engineers and scientists who aim to optimize the performance of electronic components under varying environmental conditions. In addition to electronics, sheet resistivity is also significant in the field of solar energy. Photovoltaic cells, which convert sunlight into electricity, require materials with specific sheet resistivity values to maximize efficiency. The choice of semiconductor materials, such as silicon, is often dictated by their sheet resistivity, as it affects the charge carrier mobility and, consequently, the overall performance of the solar cell. Furthermore, understanding sheet resistivity can aid in the development of new materials and technologies. Researchers are continually exploring novel materials that exhibit unique electrical properties, which could lead to advancements in flexible electronics, wearable technology, and even smart textiles. By manipulating the sheet resistivity of these materials, scientists can create devices that are not only functional but also lightweight and adaptable to various applications. In conclusion, the concept of sheet resistivity is fundamental to the fields of electronics, materials science, and renewable energy. Its implications extend beyond mere measurements, influencing the design, efficiency, and sustainability of various technologies. As we continue to innovate and push the boundaries of what is possible, a thorough understanding of sheet resistivity will undoubtedly remain a key factor in driving advancements in both existing and emerging technologies.

理解薄膜电阻率的概念在多个领域中至关重要,特别是在电子学和材料科学中。薄膜电阻率是指材料单位面积的电阻,通常以每平方欧姆(Ω/□)为单位测量。这一特性对于评估材料在施加电压时如何在其表面上导电非常重要。简单来说,它指示了在施加电压时,给定材料对电流流动的抵抗程度。 在电子学领域,薄膜电阻率在设计和性能方面发挥着重要作用,例如电阻器、电容器和晶体管等组件。例如,在设计印刷电路板(PCB)时,工程师必须考虑所用导电材料的薄膜电阻率。具有低薄膜电阻率的材料将允许有效的电流流动,从而减少能量损失并提高整体性能。相反,具有高薄膜电阻率的材料可能导致功率损耗和热量产生的增加,这可能对电子设备的可靠性和使用寿命产生负面影响。 此外,材料的薄膜电阻率可能会受到多种因素的影响,包括温度、材料成分和厚度。例如,随着温度的升高,大多数导电材料的电阻率也会增加,导致薄膜电阻率升高。理解这些关系对于旨在优化在不同环境条件下电子元件性能的工程师和科学家至关重要。 除了电子学,薄膜电阻率在太阳能领域也具有重要意义。光伏电池将阳光转化为电能,需要具有特定薄膜电阻率值的材料以最大化效率。半导体材料的选择,如硅,通常由其薄膜电阻率决定,因为它影响载流子迁移率,从而影响太阳能电池的整体性能。 此外,理解薄膜电阻率可以帮助开发新材料和技术。研究人员不断探索具有独特电气特性的创新材料,这可能导致柔性电子、可穿戴技术甚至智能纺织品的进步。通过操控这些材料的薄膜电阻率,科学家可以创造出不仅功能强大,而且轻便且适应各种应用的设备。 总之,薄膜电阻率的概念是电子学、材料科学和可再生能源领域的基础。其影响超越了简单的测量,影响着各种技术的设计、效率和可持续性。随着我们继续创新并推动可能性的边界,对薄膜电阻率的透彻理解无疑将继续成为推动现有和新兴技术进步的关键因素。

相关单词

resistivity

resistivity详解:怎么读、什么意思、用法