The electricalpropertiesof(1
x)Bi0.

The electricalpropertiesof(1
x)Bi0.5(Na0.75K0.25)0.5TiO3–xBiAlO3 (BNKT–xBA, x¼0–0.100) ceramicswereinvestigatedbyACimpedance
spectroscopy overawiderangeoffrequency(10
2–105 Hz). X-raydiffractionstudiesconfirmed theformationofasingle-phasecompoundupto
x¼0.050 andasecondphasedevelopedfor x¼0.075 and0.100.Thediffusivefactors, γ, ofBNKT–xBA ceramicswerefoundtobeintherange
1.66–1.95, whichsignifies thediffusephasetransitioninceramics.Theappearanceofasinglesemicirculararcintheimpedancespectrumshows
the maincontributionofthebulkresistance(Rb) duetograineffects. Rb was foundtodecreasewithincreasingtemperature,butincreasewith
increasing BiAlO3 (BA) concentration.TheconductivityoftheceramicsincreasedwithincreasingtemperatureanddecreasedasBAdoping
ratios increased.TheactivationenergiesobtainedfromDCconductivitywerefoundtobeintherange0.48–0.65 eV.Atypicalnegative
temperature coefficient ofresistance(NTCR)behaviorlikethatofsemiconductorwasobservedintheBNKT–xBA ceramics.
& 2014 ElsevierLtdandTechnaGroupS.r.l.Allrightsreserved.

Results (Thai) 1:

Electricalpropertiesof (1 x) Bi0.5 (Na0.75K0.25) 0.5TiO3 – xBiAlO3 (BNKT – xBA, x¼0 – 0.100) ceramicswereinvestigatedbyACimpedanceoverawiderangeoffrequency ก (10 Hz 2 – 105) X raydiffractionstudiesconfirmed theformationofasingle-phasecompounduptox¼0.050 andasecondphasedevelopedfor x¼0.075 and0.100.Thediffusivefactors γ ofBNKT – xBA ceramicswerefoundtobeintherange1.66-1.95, whichsignifies thediffusephasetransitioninceramics Theappearanceofasinglesemicirculararcintheimpedancespectrumshowsmaincontributionofthebulkresistance(Rb) duetograineffects Rb เป็น foundtodecreasewithincreasingtemperature, butincreasewithเพิ่มความเข้มข้น BiAlO3 (BA) TheconductivityoftheceramicsincreasedwithincreasingtemperatureanddecreasedasBAdopingอัตราส่วนที่เพิ่มขึ้น EV.Atypicalnegative TheactivationenergiesobtainedfromDCconductivitywerefoundtobeintherange0.48 – 0.65อุณหภูมิสัมประสิทธิ์ ofresistance (NTCR) behaviorlikethatofsemiconductorwasobservedintheBNKT – xBA เซรามิกและปี 2014 ElsevierLtdandTechnaGroupS.r.l.Allrightsreserved

Results (Thai) 2:

electricalpropertiesof (1 x) Bi0.5 (Na0.75K0.25) 0.5TiO3-xBiAlO3 (BNKT XBA-, x¼0-0.100) ceramicswereinvestigatedbyACimpedance
overawiderangeoffrequency สเปกโทรสโก (10? 2-105 Hz) X-raydiffractionstudiesconfirmed theformationofasingle-phasecompoundupto
x¼0.050 andasecondphasedevelopedfor x¼0.075 and0.100.Thediffusivefactors, γ, XBA-ofBNKT ceramicswerefoundtobeintherange
1.66-1.95, whichsignifies
maincontributionofthebulkresistance (Rb) duetograineffects Rb เป็น foundtodecreasewithincreasingtemperature, butincreasewith
เพิ่มขึ้น BiAlO3 (BA)
increased.TheactivationenergiesobtainedfromDCconductivitywerefoundtobeintherange0.48-0.65 eV.Atypicalnegative
ค่าสัมประสิทธิ์อุณหภูมิ ofresistance (NTCR) เซรามิก behaviorlikethatofsemiconductorwasobservedintheBNKT XBA-.
และ 2,014 ElsevierLtdandTechnaGroupS.rlAllrightsreserved

Results (Thai) 3:

การ electricalpropertiesof ( 1
X ) bi0.5 ( na0.75k0.25 ) 0.5tio3 – xbialo3 ( bnkt – xba X ¼ 0 – 0.100 ) ceramicswereinvestigatedbyacimpedance
สเปกโทรสโกปี overawiderangeoffrequency ( 10
2 – 105 Hz ) x-raydiffractionstudiesconfirmed theformationofasingle phasecompoundupto
x ¼ 0.050 andasecondphasedevelopedfor x ¼ 0.075 and0.100.thediffusivefactors γ , ofbnkt – , xba ceramicswerefoundtobeintherange
1.66 - 1.95 ,whichsignifies thediffusephasetransitioninceramics . theappearanceofasinglesemicirculararcintheimpedancespectrumshows
maincontributionofthebulkresistance ( RB ) duetograineffects . RB เป็น foundtodecreasewithincreasingtemperature butincreasewith
, เพิ่ม bialo3 ( BA ) สมาธิ theconductivityoftheceramicsincreasedwithincreasingtemperatureanddecreasedasbadoping
อัตราส่วนเพิ่มขึ้นtheactivationenergiesobtainedfromdcconductivitywerefoundtobeintherange0.48 – 0.65 EV ofresistance สัมประสิทธิ์อุณหภูมิ atypicalnegative
( ntcr ) behaviorlikethatofsemiconductorwasobservedinthebnkt – xba เซรามิก .
& 2014 elsevierltdandtechnagroups.r.l.allrightsreserved .