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Jurnal Neutrino
Published by Universitas Islam Negeri Maulana Malik Ibrahim Malang
ISSN : 19796374     EISSN : 24605999     DOI : -
Core Subject : Science,
Physics
Jurnal NEUTRINO (ISSN:1979-6374 / EISSN:2460-5999) adalah jurnal fisika yang dikelola dan diterbitkan oleh Jurusan Fisika Fakultas Sains Dan Teknologi Universitas Islam Negeri (UIN) Maulana Malik Ibrahim Malang. Jurnal NEUTRINO ini menjadi media bagi para akademisi dan praktisi untuk mengembangkan bidang fisika dan aplikasinya. Disamping itu Jurnal NEUTRINO bisa dijadikan sebagai media komunikasi ilmiah antar fisikawan baik di Indonesia juga seluruh dunia. Jurnal NEUTRINO memuat kajian-kajian fisika baik kajian teoritik, hasil eksperimen dan aplikasinya seperti fisika material, instrumentasi, komputasi, biofisika, fisika medis, fisika lingkungan, fisika teori, fisika nuklir, geofisika, elektronika, optika dan energi terbarukan. Jurnal NEUTRINO terbit 2 (dua) kali dalam setahun (April dan Oktober).
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 9, No 2 (2017): April" : 5 Documents clear
BIOMIMETIC PHOTODIODE DEVICE WITH LARGE PHOTOCURRENT RESPONSE USING PHOTOSYNTHETIC PIGMENT-PROTEIN COMPLEXES Kusuma, Damar Yoga; Soetedjo, Hariyadi
Jurnal Neutrino Vol 9, No 2 (2017): April
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (345.907 KB) | DOI: 10.18860/neu.v9i2.4042

Abstract

Efficient light to energy conversion was demonstrated in solid-state, lateral photodiodes device containing photosynthetic light-harvesting chlorophyll protein complexes as active materials. The device exhibits the highest reported photocurrent density response of 365 µA/cm2 when illuminated at 320 mW/cm2 radiation source power. The photocurrent response was stabled over 104 s of continuous cycles of dark and illumination states. The short rise and decay time of the photocurrent waveform within sub-second range indicates an effective photogeneration and charge extraction within the device. Optical bandgap extraction using absorption coefficient method reveals that the energy gap of the active materials ranges from 2.8 to 3.8 eV, correspond to the Photosystem I and Photosystem II of the photosynthetic pigment-protein complexes.
THERMOACOUSTIC REFRIGERATOR SYSTEM PERFORMANCE USING THE PVC (POLYVINYL CHLORIDE) STACK BY POWER INPUT VARIATION Kharismawati, Indah
Jurnal Neutrino Vol 9, No 2 (2017): April
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (591.208 KB) | DOI: 10.18860/neu.v9i2.4073

Abstract

The thermoacoustic refrigerator is an innovative alternative and did not use substances that had a negative impact on the environment such as freon, but using air as the working substance. The materials used the refrigerator were easily obtained and the construction components were simple so that made this refrigerator was cheap, easy to make and easy to maintain. Stack was used in the thermoacoustic refrigerator system used PVC (Polyvinyl chloride) which is parallel cylindrical shape and diameter (1.50 ± 0.05) mm and length of 8 cm. Variations of loudspeaker input power that used were 20 watt, 30 watt, 40 watt, 50 watt and 60 watt. Variations of the input power that used to determine the effect of loudspeaker input power to decreasing temperature in the operating of the thermoacoustic refrigerator system using  PVC stack. From the result, loudspeaker input power influenced on the decreasing temperature that was 6.0 °C for 20 watts, 6.7 °C for 30 watts, 7.2 °C for 40 watts, 8.0 °C for 50 watts and 9.0 °C for 60 watts. From these results indicated optimum decreasing temperature depended on the amount of loudspeaker power that was directly proportional to the decreasing temperature obtained.
APPLICATION OF CONTROLLED SOURCE AUDIO MAGNETOTELLURIC (CSAMT) AT GEOTHERMAL S., Susilawati; Mustopa, Enjang Jaenal
Jurnal Neutrino Vol 9, No 2 (2017): April
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (653.806 KB) | DOI: 10.18860/neu.v9i2.4131

Abstract

CSAMT or Controlled Source Audio-Magnetotelluric is one of the Geophysics methods to determine the resistivity of rock under earth surface. CSAMT method utilizes artificial stream and injected into the ground, the frequency of artificial sources ranging from 0.1 Hz to 10 kHz, CSAMT data source effect correction is inverted. From the inversion results showed that there is a layer having resistivity values ranged between 2.5 Ω.m – 15 Ω.m, which is interpreted that the layer is clay.
HYPOCENTER DETERMINATION AND CLUSTERING OF VOLCANO-TECTONIC EARTHQUAKES IN GEDE VOLCANO 2015 Nugraha, Aulia Kharisma; Maryanto, Sukir; Triastuty, Hetty
Jurnal Neutrino Vol 9, No 2 (2017): April
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1034.124 KB) | DOI: 10.18860/neu.v9i2.4103

Abstract

Gede volcano is an active volcano in West Java, Indonesia.  Research about determination the volcano-tectonic earthquake source positions has given results using volcano-tectonic earthquakes data from January until November 2015. Volcano-tectonic earthquakes contained deep (VT-A) have frequency (maximum amplitude) range 5 – 15 Hz. Furthermore, they contain shallow earthquake, VT-B have range 3-5 Hz and LF have range 1-3 Hz. Geiger’s Adaptive Damping (GAD) methods used for determining the hypocenter of these volcano-tectonic (VT) events. Hypocenter distribution divided into 4 clusters. Cluster I located in the crater of Gede volcano dominated by VT-B earthquakes their depth range 2 km below MSL to 2 km above MSL including the VT-B swarm. The seismic sources in cluster I indicated dominant due to the volcanic fluid or gas filled in conduit pipes. Cluster II located at the west of Gede volcano caused by Gede-Pangrango fault-line dominated by VT-A earthquakes with depths range 1.5 km below MSL to 700 m above MSL. Cluster III located in the North of Gede volcano dominated by VT-A events there caused by graben fault area with those depths range 7.5 – 1.65 km below MSL. Cluster IV located in South West of Gede volcano contained VT-A earthquakes with depth range at 10 km below MSL and VT-B earthquakes this depth 2 km below MSL. Due to magma intrusion filled into fractures of the fault in the West of Gede volcano this shallow magma filling-fractures and degassing in subsurface assumed dominates the volcano-tectonic events from January to November 2015 due to faults extends from North to South occured in the West of Gede volcano.
STRAIN GAUGE SENSOR OF MASS MEASUREMENT USING A BRASS CANTILEVER Ayu, Hena Dian; Jufriadi, Akhmad; Pranata, Kurriawan Budi; E., Endarko; Muntini, Melania Suweni
Jurnal Neutrino Vol 9, No 2 (2017): April
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (749.911 KB) | DOI: 10.18860/neu.v9i2.4138

Abstract

A study of mass measurement using strain gauge 120 which was placed in the corner of the brass cantilever has been done. This study essentially utilizes deflection phenomena on the surface. This phenomenon occurs due to the mass placed on one end of the brass cantilever. The Mass was calibrated with standard mass gauge using OHAUS PA214 PioneerTM analytical balance. It was done a variation of mass-reduction and addition at the end of the brass cantilever with a multiple of 0.1 gram over a span interval of 1.1-7.5 grams. It obtained hysteresis curve plot for the changing strain gauge resistance (ΔR) versus mass variations on which the system has the maximum load range (7,1-7,5 gram). Moreover,  The test of the system for the mass variations in the output voltage of the IC AD521JD differential amplifier was approximated as a quadratic function which was expressed in the system characteristic equation m = 2,4×V2 - 0,8533×V + 1,1449, with m (gram) and V (Volt). The characteristic equation is used in the ADC conversion of the microcontroller. The measured mass value was displayed on 2 × 16 LCDs in grams.

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