Core Viewpoint - Nanjing University has announced procurement intentions for 16 items of scientific instruments and equipment, with a total budget of 90.15 million yuan, scheduled for purchase between May and September 2025 [1][2]. Procurement Overview - The procurement includes advanced scientific instruments such as: - Three-channel wavelength-tunable femtosecond laser [3] - Rotating high magnetic field dilution refrigerator [3] - Atomic layer etching (ALE) equipment [3] - Semiconductor electronic measurement system [3] - Superconducting quantum interference magnetic measurement system [3] - The total budget for these items is 90.15 million yuan, with individual budgets for specific equipment ranging from 150,000 to 3 million yuan [2][3]. Specific Equipment Details - **Three-channel wavelength-tunable femtosecond laser**: - Budget: 202 million yuan - Applications: Condensed matter ultrafast dynamics, molecular dynamics, ultrafast optics, attosecond optics [3]. - **Rotating high magnetic field dilution refrigerator**: - Budget: 500 million yuan - Requirements: Continuous stable operation at temperatures as low as 12 mK and a magnetic field strength of no less than 14 Tesla [3]. - **Atomic layer etching (ALE) equipment**: - Budget: 860 million yuan - Features: Stainless steel/aluminum chamber, dual vacuum structure, and customizable reaction gas pathways [3]. - **Semiconductor electronic measurement system**: - Budget: 400 million yuan - Specifications: Compatible with 2-inch wafer measurements, voltage range of ±100V, and current range of ±100mA [3]. - **Superconducting quantum interference magnetic measurement system**: - Budget: 525 million yuan - Usage: High sensitivity magnetic property measurements in extreme low-temperature environments [3]. Additional Equipment - **Wafer transfer system**: - Budget: 200 million yuan - Requirements: Ultra-high vacuum transfer chamber and automated transfer system [3]. - **8-inch two-dimensional semiconductor MOCVD epitaxy system**: - Budget: 1.6 billion yuan - Capabilities: High-temperature growth and automatic sample handling [3]. - **Dynamic nuclear polarization 400 MHz NMR spectrometer**: - Budget: 3 million yuan - Features: Microwave hyperpolarization enhancement for solid-state NMR experiments [6]. - **Laser confocal microscope**: - Budget: 195 million yuan - Purpose: High-resolution three-dimensional imaging and fluorescence spectral analysis [6]. Summary of Procurement Timeline - The procurement is scheduled to take place from May to September 2025, with specific items being acquired in different months [4][6].