Abstract:
This research uses basic compound of BaTiO3 (BTO) and single phase multiferroic
material BiFeO3 (BFO) with weight ratio of BTO: BFO = 2: 1 to produce multiferoic ceramic.
The purpose of this research is to know magnetic properties of the ceramic which consists of
BFO multiferroic material combined with BTO electrical material. Changes in magnetic
properties will affect the quality of multiferroic materials. The process used sol-gel method using
temperature and time of calcination of 350o
C and 4 hours, then sintered at 700,750 and 800o
C
for 2, 4 and 6 hours respectively. The sample was characterized by XRD test with diffraction
angle of 20o
-100o
and the machine was made in Phillips type of PW 1835. This test is to know
types of phases. To know magnetic properties of sample, it was used Permagraph test. To know
particle size, it was used Particle Size Measurement from Nano Instrument of Beckman Coulter
DelsaTM. The results show that new phase is formed which is the dominant phase, Barium
Bismuth Iron (III) Oxide (BaBiFe2O5) with the largest percentage (98,79%) obtained at sintering
process with temperature of 750o
C for 6 hours. Increasing the percentage of dominant phases is
linier by increasing of magnetic properties of the sample. The highest value of magnetic
properties among other coercivity of 247.1 kA / m, remanent of 0.275 Tesla and Saturation of
0.41 Tesla belongs to ceramic with condition of sintering temperature and time of 750o
C and 6
hours . The smallest particle size is also obtained under the same conditions equal to the particle
size of 54-57 nm.
