Fig. 4. Various types of materials in a quantum-tunnel junction and its electrode. (a) Symmetric and asymmetric molecule chains between metal layers for an MIM device [
74]. ©2016, Nature Publishing Group. (b) Chemical-structure-dependent radiation pattern from MIM. Reprinted with permission [
75]. ©2019, American Chemical Society. (c) Metal–polymer–metal (MPM) tunnel junction using a monolayer of poly-L-histidine (PLH). Reprinted with permission [
76]. ©2020, American Chemical Society. (d) MIS device for solid-state light sources. Reprinted with permission [
79]. ©2018, American Chemical Society.
© Appl. Sci. Converg. Technol.