extrinsic semiconductor

简明释义

非本征半导体

英英释义

例句

1.N-type and P-type are two categories of extrinsic semiconductors based on the type of dopant.

根据掺杂剂的类型，外延半导体分为N型和P型两类。

2.The performance of solar cells can be enhanced by using extrinsic semiconductors.

通过使用外延半导体可以提高太阳能电池的性能。

3.An extrinsic semiconductor is created by adding impurities to a pure semiconductor material.

通过向纯半导体材料中添加杂质，可以创建一个外延半导体。

4.The conductivity of an extrinsic semiconductor depends on the type and concentration of the dopants used.

外延半导体的导电性取决于所使用掺杂剂的类型和浓度。

5.In electronics, extrinsic semiconductors are crucial for creating diodes and transistors.

在电子学中，外延半导体对于制造二极管和晶体管至关重要。

作文

In the field of electronics, semiconductors play a crucial role in the development of modern technology. Among the various types of semiconductors, extrinsic semiconductor is particularly significant due to its enhanced conductivity properties. An extrinsic semiconductor is a type of semiconductor that has been doped with impurities to alter its electrical properties. This doping process introduces additional charge carriers, which can either be electrons or holes, depending on the type of dopant used. The two primary categories of extrinsic semiconductors are n-type and p-type semiconductors. N-type semiconductors are created by adding elements that have more electrons than silicon, such as phosphorus or arsenic. These extra electrons increase the material's conductivity by providing additional negative charge carriers. On the other hand, p-type semiconductors are formed by doping silicon with elements that have fewer electrons, such as boron or gallium. This process creates 'holes' or positive charge carriers, which also contribute to the overall conductivity of the material. The ability to manipulate the electrical properties of semiconductors through doping is what makes extrinsic semiconductors so valuable in electronic devices. For instance, transistors, diodes, and integrated circuits all rely on the specific characteristics of extrinsic semiconductors to function effectively. By controlling the type and amount of dopant used, engineers can design semiconductors that meet the precise requirements of various applications. Moreover, the use of extrinsic semiconductors extends beyond basic electronic components. They are integral to the operation of solar cells, light-emitting diodes (LEDs), and many other technologies that are essential in our daily lives. For example, in solar cells, the combination of n-type and p-type materials creates a junction that allows for the efficient conversion of sunlight into electricity. Similarly, LEDs utilize extrinsic semiconductors to produce light when an electric current passes through the material. Understanding the principles behind extrinsic semiconductors is vital for anyone interested in pursuing a career in electronics or materials science. As technology continues to advance, the demand for more efficient and powerful electronic components will only increase. Therefore, knowledge of how to manipulate extrinsic semiconductors will be essential for developing the next generation of electronic devices. In conclusion, extrinsic semiconductors are fundamental to the field of electronics due to their enhanced conductivity and versatility. By introducing impurities into semiconductor materials, we can create tailored properties that enable a wide range of applications. As we move forward into an increasingly technology-driven world, the importance of understanding and utilizing extrinsic semiconductors cannot be overstated. Their role in powering everything from smartphones to renewable energy solutions highlights their significance in shaping our future.

在电子学领域，半导体在现代技术的发展中起着至关重要的作用。在各种类型的半导体中，外延半导体由于其增强的导电特性而特别重要。外延半导体是一种通过掺杂杂质来改变其电气特性的半导体。这一掺杂过程引入了额外的载流子，这些载流子可以是电子或空穴，具体取决于所使用的掺杂剂类型。外延半导体的两个主要类别是n型和p型半导体。n型半导体是通过添加比硅多电子的元素（如磷或砷）而创建的。这些额外的电子通过提供额外的负载流子来提高材料的导电性。另一方面，p型半导体是通过用缺少电子的元素（如硼或镓）掺杂硅而形成的。这个过程创造了“空穴”或正载流子，这也有助于材料的整体导电性。通过掺杂操控半导体的电气特性是外延半导体在电子设备中如此有价值的原因。例如，晶体管、二极管和集成电路都依赖于外延半导体的特定特性以有效工作。通过控制所使用的掺杂剂的类型和数量，工程师可以设计出满足各种应用精确要求的半导体。此外，外延半导体的使用不仅限于基本电子组件。它们在太阳能电池、发光二极管（LED）以及许多其他在我们日常生活中至关重要的技术的运作中也是不可或缺的。例如，在太阳能电池中，n型和p型材料的结合形成一个结，使得阳光高效转化为电能。同样，LED利用外延半导体在电流通过材料时产生光。理解外延半导体背后的原理对于任何有意从事电子或材料科学职业的人来说都是至关重要的。随着技术的不断进步，对更高效和更强大的电子组件的需求只会增加。因此，掌握如何操控外延半导体将对开发下一代电子设备至关重要。总之，外延半导体由于其增强的导电性和多功能性，对于电子学领域至关重要。通过向半导体材料引入杂质，我们可以创建具有量身定制特性的材料，从而使其能够广泛应用。随着我们进入一个日益依赖技术的世界，理解和利用外延半导体的重要性不容小觑。它们在为智能手机到可再生能源解决方案提供动力方面的作用突显了它们在塑造我们未来中的重要性。