1. Quantum Technology Institute, Korea Research Institute of Standards and Science 1 , Daejeon 34113, Republic of Korea
2. Department of Physics and Energy Harvest Storage Research Center, University of Ulsan 2 , Ulsan 44610, Republic of Korea
3. Department of Physics, Nha Trang University 3 , Nha Trang 650000, Vietnam
4. Neutron Science Division, Korea Atomic Energy Research Institute 4 , Daejeon 34057, Republic of Korea