Fig. 1. Principle diagram of diamond neutron detectors

Fig. 2. Schematic of the physical model established by MCNP simulation

Fig. 3. Energy spectra of TMSR-LF1 (a) Neutron spectrum, (b) γ spectrum

Fig. 4. Detection efficiency of neutrons and γ at different thicknesses of the conversion layer (a) ¹⁰B neutron conversion layer, (b) ⁶LiF neutron conversion layer

Fig. 5. Energy deposition spectra of secondary particles at different ⁶LiF thicknesses

Fig. 6. Energy deposition spectrum of secondary particles at the ⁶LiF thickness of 0.1 μm

Fig. 7. γ detection efficiency at different ⁶LiF thicknesses

Fig. 8. n/γ ratios at different ⁶LiF thicknesses

Fig. 9. Neutron and γ detection efficiencies at different diamond thicknesses

Fig. 10. n /γ ratios at different diamond thicknesses

Fig. 11. Secondary particle energy deposition spectra of neutrons (a) and γ (b) at different diamond thicknesses

Fig. 12. Neutron (a) and γ (b) detection efficiencies at different γ energy screening thresholds

Fig. 13. n/γ ratios at different diamond thicknesses for four energy screening thresholds