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THE THIRD INTERNATIONAL
                                           CONFERENCE ON MATHEMATICS AND
                                              NATURAL SCIENCES (ICMNS)
                                            BANDUNG, 23-25 NOVEMBER 2010




           Hety Puspitasari1), Dani Gustaman Syarif2*), Kardiawarman1)

1) Physics Department, Faculty of Mathematics and Natural Sciences Education, Indonesia
        University of Education, Jl. Dr. Setiabudi 229, Bandung 40154, Indonesia.
           2*)PTNBR-BATAN, Jl. Tamansari 71, Bandung 40132, Indonesia, E-
                mail:danigusta@yahoo.com, danigustas@batan-bdg.go.id
1) Physics Department, Faculty of Mathematics and Natural Sciences Education, Indonesia
        University of Education, Jl. Dr. Setiabudi 229, Bandung 40154, Indonesia.
Utilization of gamma radiation
To ensure the safety of workers who working in sectors gamma
 radiation
   o Gamma radiation sensors              ˃ TLD

   o Radiation sensors with simple evaluation applying V-I
   measurement




  Prototype of a gamma radiation sensor

 Semiconductor ceramic of CuFe2O4
CuO+Fe2O3+Frit+OV
METHODOLOGY
                             Paste

            Screen Printing on Alumina Substrates

                     Green Thick Films


             Firing                      Firing
      Temperature : 10000C       Temperature : 10000C
      Time       : 1 hour        Time       : 1 hour
      Atmosphere : N2 gas        Atmosphere : Air


               CuFe2O4 Thick Film ceramics

                     Silver electroding

                     Characterization:
                1.XRD (Crystal Structure )
                2.SEM (Microstructure)

                   1. V-I Measurement           5 mGy, 10 mGy, 14 mGy,
                   2. Gamma Irradiation         18 mGy
RESULTS AND DISCUSSION




           2θ (Degree)                                   2θ (Degree)
XRD profile of CuFe2O4 thick films fired at 10000C for 1 hours in atmosphere of
N2 gas (left) and air atmosphere (right)
T = Tetragonal
Surface morphology of CuFe2O4 thick films fired at 10000C for 1 hours in
atmosphere of N2 gas (left) and air atmosphere (right) taken with SEM
V-I Characteristics of CuFe2O4 Thick Films
V-I Characteristics of CuFe2O4 Thick Films
Thick film ceramics of CuFe2O4 have been fabricated using
screen printing technique.

Thick film ceramics of CuFe2O4 fired in atmosphere of N2 gas
was more sensitive to gamma radiation than those of CuFe 2O4 fired
in air atmosphere.

The ceramics of CuFe2O4 fired in N2 gas atmosphere and air
atmosphere were applicable for gamma radiation sensor in low
dose below 18 mGy
THE THIRD INTERNATIONAL
CONFERENCE ON MATHEMATICS AND
   NATURAL SCIENCES (ICMNS)
 BANDUNG, 23-25 NOVEMBER 2010

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Presentasi ICMNS @ ITB

  • 1. THE THIRD INTERNATIONAL CONFERENCE ON MATHEMATICS AND NATURAL SCIENCES (ICMNS) BANDUNG, 23-25 NOVEMBER 2010 Hety Puspitasari1), Dani Gustaman Syarif2*), Kardiawarman1) 1) Physics Department, Faculty of Mathematics and Natural Sciences Education, Indonesia University of Education, Jl. Dr. Setiabudi 229, Bandung 40154, Indonesia. 2*)PTNBR-BATAN, Jl. Tamansari 71, Bandung 40132, Indonesia, E- mail:danigusta@yahoo.com, danigustas@batan-bdg.go.id 1) Physics Department, Faculty of Mathematics and Natural Sciences Education, Indonesia University of Education, Jl. Dr. Setiabudi 229, Bandung 40154, Indonesia.
  • 2. Utilization of gamma radiation To ensure the safety of workers who working in sectors gamma radiation o Gamma radiation sensors ˃ TLD o Radiation sensors with simple evaluation applying V-I measurement Prototype of a gamma radiation sensor  Semiconductor ceramic of CuFe2O4
  • 3. CuO+Fe2O3+Frit+OV METHODOLOGY Paste Screen Printing on Alumina Substrates Green Thick Films Firing Firing Temperature : 10000C Temperature : 10000C Time : 1 hour Time : 1 hour Atmosphere : N2 gas Atmosphere : Air CuFe2O4 Thick Film ceramics Silver electroding Characterization: 1.XRD (Crystal Structure ) 2.SEM (Microstructure) 1. V-I Measurement 5 mGy, 10 mGy, 14 mGy, 2. Gamma Irradiation 18 mGy
  • 4. RESULTS AND DISCUSSION 2θ (Degree) 2θ (Degree) XRD profile of CuFe2O4 thick films fired at 10000C for 1 hours in atmosphere of N2 gas (left) and air atmosphere (right) T = Tetragonal
  • 5. Surface morphology of CuFe2O4 thick films fired at 10000C for 1 hours in atmosphere of N2 gas (left) and air atmosphere (right) taken with SEM
  • 6. V-I Characteristics of CuFe2O4 Thick Films
  • 7. V-I Characteristics of CuFe2O4 Thick Films
  • 8.
  • 9. Thick film ceramics of CuFe2O4 have been fabricated using screen printing technique. Thick film ceramics of CuFe2O4 fired in atmosphere of N2 gas was more sensitive to gamma radiation than those of CuFe 2O4 fired in air atmosphere. The ceramics of CuFe2O4 fired in N2 gas atmosphere and air atmosphere were applicable for gamma radiation sensor in low dose below 18 mGy
  • 10. THE THIRD INTERNATIONAL CONFERENCE ON MATHEMATICS AND NATURAL SCIENCES (ICMNS) BANDUNG, 23-25 NOVEMBER 2010