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4th International Conference on Theoretical and Experimental Studies in Nuclear Applications and Technology

TESNAT 2018 129 Antalya, Turkey

Thermoluminescence heating rate behaviour of

Zn(BO

2

)2:0.05Dy3+

1

SÜMEYRA BALCI-YEĞEN Çukurova University, Department of Physics, Adana, Turkey

2

MEHMET YÜKSEL Çukurova University, Department of Physics, Adana, Turkey

3

NİL KÜÇÜK Uludağ University, Department of Physics, Bursa, Turkey

4

YÜKSEL KARABULUT Manisa Celal Bayar University, Department of Physics,

Muradiye, Manisa, Turkey

5

MEHMET AYVACIKLI Manisa Celal Bayar University, Department of Physics,

Muradiye, Manisa, Turkey

6

NURDOĞAN CAN Jazan University, Saudi Arabia

7

MUSTAFA TOPAKSU Çukurova University, Department of Physics, Adana, Turkey

Zn(BO

2

)

2

:0.05Dy3+ phosphor prepared by using the nitric acid method was examined via

thermoluminescence (TL) technic. The TL glow curves of the sample exposed to beta ray in

the dose range of 1-80 Gy show a TL maximum at c.a. 180°C (preheated at 140°C and measured

at a constant heating rate (HR) value: 2°C s

−1

, by using Lexsyg Smart TL reader). The linearity

was noted and TL signal saturation has not been observed up to 80 Gy. Furthermore TL glow

curves of Zn(BO

2

)

2

:0.05Dy3+ phosphor exposed to 20 Gy beta dose were studied using

different HRs in the range of 0.5–10°C s

−1

. While HR value increases: (i) the temperature value

at maximum TL intensity (Tm) shifts to higher temperature values, (ii) maximum TL intensity

value of the glow peak decreases, (iii) the integrated peak area of the glow curve decreases, and

(iv) full width at half maximum (FWHM) increases, as presence evidences of temperature lag

effect and thermal quenching phenomenon.