1. Department of Petroleum Engineering, University of North Dakota, Grand Forks, North Dakota 58202, United States
2. Department of Physics & Astrophysics, University of North Dakota, Grand Forks, North Dakota 58202, United States
3. Key Laboratory of Continental Shale Hydrocarbon Accumulation and Efficient Development, Ministry of Education, Northeast Petroleum University, Daqing, 163318, China
4. Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacky University in Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
5. Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea