3 papers
cond-mat.mtrl-sci2002
p-Type semiconducting properties in lithium-doped MgO single crystals
M. M. Tardio, R. Ramirez, R. Gonzalez +1
The phenomenally large enhancement in conductivity observed when Li-doped MgO crystals are oxidized at elevated temperatures was investigated by dc and ac electrical measurements i…
cond-mat.mtrl-sci2000
Semiconducting Characteristics of Magnesium-Doped Al2O3 Single Crystals
M. Tardio, R. Ramirez, R. Gonzalez +2
DC and AC electrical measurements were performed to investigate the electrical conductivity of alpha-Al2O3:Mg samples with different concentrations of [Mg]^0 centers .The concentra…
cond-mat.soft2000
Electrical Conductivity in Magnesium-Doped Al_2 O_3 Crystal at Moderate Temperatures
M. Tardío, R. Ramírez, R. González +2
AC and DC electrical measurements between 273 and 800 K were used to characterize the electrical conductivity of Al_2 O_3:Mg single crystals containing [Mg]^{0} center. At low fiel…