Task: Translation
Input (English): The device uses a lithium tantalate (LiTaO3) pyroelectric crystal to ionize deuterium atoms and accelerate the ions towards a stationary erbium deuteride (ErD) target.
Output (Chinese): 该装置使用钽酸锂（LiTaO3）热电晶体来电离氘原子并将离子加速到固定的铒氘（ErD）靶。