第四届半导体物理与器件国际研讨会（The 4th Int'l Conference on Semiconductor Physics and Devices）将于2019年8月20-22日在中国西安举行。本次大会旨在为业内专家学者分享技术进步和业务经验，聚焦催化领域的前沿研究，提供一个交流的平台。

该会议征文涉及领域包括（但不限于）：

Complex Oxides
Compound Semiconductors
Device Design and Fabrication
Device Performance and Reliability
Emerging Semiconductor Technologies
Ferromagnetism / Magnetic Semiconductors
High Magnetic Fields / High Pressure in Semiconductor Physics
Impurities/Defects in Semiconductors
Light Emitting Diodes (LEDs) and Diode Lasers
Novel Semiconductor Devices and Applications
Organic Semiconductors
Photoelectric and Photovoltaic Devices
Physics of Semiconductors
Photophysics & Transient Absorption Spectroscopy/Measurements
Surface and Interface Physics
Semiconductor Lower Dimensions and Nanostructures
Semiconductor Quantum Dots / Quantum Hall Effects / Quantum Information
Semiconductor Materials and Applications / Semiconductor Processing
Semiconductor Spintronics / Topological Insulators
Semiconductor Detectors
Wide/narrow Band-gap Semiconductors
Other Related Topics