Integrated thick-film p-i-p+ structures based on spinel ceramics

Multilayered temperature/humidity sensitive thick-film p-i-p
⁺
structures based on spinel-type semiconducting ceramics of different chemical composition Cu
0.1
Ni
0.1
Co
1.6
Mn
1.2
O
4
(with p
⁺
-type of electrical conductivity), Cu
0.1
Ni
0.8
Co
0.2
Mn
1.9
O
4
(with p-type of electrical conductivity) and magnesium aluminate i-type MgAl
2
O
4
ceramics were fabricated and investigated. These structures are shown to be successfully applied for integrated environmental sensors.