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All Journal BERKALA FISIKA Sainstek SEMIRATA 2015 Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Ilmiah Pendidikan Fisika Spektra: Jurnal Fisika dan Aplikasinya JURNAL EKSAKTA PENDIDIKAN (JEP) JURNAL PENDIDIKAN TAMBUSAI Jurnal Teori dan Aplikasi Fisika Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Pelita Eksakta Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Humanities Pengabdian Kepada Masyarakat Jurnal Ilmiah Profesi Pendidikan Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika Pillar of Physics: Jurnal Berkala Ilmiah Fisika Journal of Comprehensive Science MASALIQ: Jurnal Pendidikan dan Sains Journal of Innovative Physics Teaching (JIPT) Journal of Climate Change Society Physics Learning and Education Journal of Experimental and Applied Physics
Yenni Darvina
Universias Negeri Padang
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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Journal : Journal of Experimental and Applied Physics

 1   2 
Effect of Variations in Banana Frond Fiber Composition with Polyurethane Matrix on Composite Panels Acoustic Properties and Porosity Oktavia, Vini; Darvina, Yenni; Ramli, Ramli; Hidayat, Rahmat
Journal of Experimental and Applied Physics Vol 1 No 1 (2023): June Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v1i1.3

Abstract

Noise can damage one's health, affect one's comfort, cause stress, and make activities not run smoothly. Making acoustic materials is one of the efforts made to overcome noise pollution. The material used in this study comes from banana fiber with a polyurethane matrix. This research material is easily and widely available. The advantage of this study is to determine the effect of variations in the composition of banana stem fiber with a polyurethane matrix on the values of the sound reflection coefficient, sound absorption coefficient, sound transmission loss, and porosity. The method used is a hand lay-up with a single microphone tube impedance characterization tool and an analytical balance. In this study, variations in the composition of the composite panels with fiber and matrix variations were carried out, namely 60%:40%, 70%:30%, and 80%:20%. Based on the findings of this study, the higher the sound absorption coefficient, sound transmission loss, and porosity, the lower the sound reflection coefficient. If the frequency used is higher, the values of the sound absorption coefficient and transmission loss increase, while the reflection coefficient decreases for the entire frequency range. If the porosity is higher, the acoustic properties will be better, which is indicated by an increase in the value of the sound absorption coefficient and the value of the sound transmission loss. High porosity will comply with the ISO 11654:1997 standard.
Analysis of Optical Properties of Graphene Oxide from Bamboo Petung (Dendrocalamus Asper) Synthesized by Modified Hummer Method Indah Safira; Ramli; Yenni Darvina; Fadhila Ulfa Jhora
Journal of Experimental and Applied Physics Vol 1 No 2 (2023): September Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v1i2.20

Abstract

Carbon, hydrogen and oxygen are abundant in the structure of graphene oxide (GO), often known as graphene. In this study, petung bamboo was used in the manufacture of graphene oxide. The aim of this research is to find out how the sintering temperature influences the ability of graphene oxide to absorb waves. The modified hummer method is used to oxidize graphite and produce Graphene Oxide. This research was divided into several parts, namely burning carbonized petung bamboo, production of graphene oxide, and sonication and neutralization of graphene oxide using sintering temperatures of 300°C, 350°C, 400°C and 450°C. The synthesis results were characterized using a UV-Vis spectrometer to obtain an absorption spectrum resulting in a band gap of 2.68 eV-4.38 eV in Petung bamboo at a sintering temperature of 300oC - 400oC, the bandgap increasing as the sintering temperature increased. At a sintering temperature of 400oC - 450oC the band gap value decreases which is influenced by the results of cell changes from refinement which can change the band structure thereby affecting the size of the band gap. The absorption value obtained in the optical properties decreases because the high sintering temperature causes the reaction rate to become faster so that the absorption value becomes lower.
Determination of Thermal Conductivity and Porosity of Composite Panels from Fibers, Bagasse Powder and Polypropylene (PP) Plastic Waste Azca Aryadiva Mahengga; Yenni Darvina; Ramli Ramli; Fadhila Ulfha Jhora
Journal of Experimental and Applied Physics Vol 1 No 3 (2023): December Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v1i3.36

Abstract

Global warming causes temperatures on the earth's surface to increase. High temperatures during the day will make the temperature in the room of the residential house increase. The impact will affect the warmth of residents. One of the causes of the increase in indoor temperature is due to the absorption of solar heat by the components of the walls and roof. One alternative that can be done is the manufacture of composite panels that act as heat insulators using bagasse fibers, bagasse powder and the matrix of polypropylene plastic waste with low thermal conductivity, and high porosity. The composition of the composite varies the percentage of fibers and powders with a fixed percentage of polypropylene plastic waste of 90%. The percentage variation of polypropylene plastic waste of bagasse fiber and powder used is 100%:0%:0%, 90%:10%:0%, 90%:8%:2%, 90%:6%:4%, 90%:4%:6%, 90%:2%:8%, and 90%:0%:10%. Based on the test results, successive thermal conductivity values were 0.226715 W/moC, 0.16241 W/moC, 0.13543 W/moC, 0.09582 W/moC, 0.11457 W/moC, 0.15351 W/moC, 0.18276 W/moC. The porosity values of successive samples were 0.63116%, 2.84024%, 3.36151%, 3.85179%, 3.24880%, 3.09383%, 2.65145%. From the test results, it was obtained that variation 4 had the highest thermal conductivity value with a value of 0.09582 W / moC. while the highest porosity value was obtained in variation 4 with a value of 3.85179%. Composite panels with a variation of 4, and a variation of 5 are optimum variations that can be used as a good heat insulation material.
Analysis of Lattice Constant, Structure and Crystal Size of TiO2/Rough Bamboo Acitivated Carbon Nanocomposite Using Mass Variation Hifzi, Zudiya; Darvina, Yenni
Journal of Experimental and Applied Physics Vol 2 No 1 (2024): March Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v2i1.41

Abstract

Energy storage materials such as rechargeable batteries: cameras, cellphones, laptops, and others, are often used for daily needs. The working indicator of the battery is energy storage capacity, which depends on anode material. Generally, battery anodes are made from graphite but have limited energy capacity, which causes frequent overheating. One of the factors that influences energy storage capacity is surface area of the anode, where the smaller the particle size, the greater the storage capacity. So, research was carried out on materials that could replace graphite as an anode material for rechargeable batteries by having superior properties. This material is TiO2/Rough bamboo activated carbon nanocomposite. Nanocomposites will be synthesized using the sol-gel method and then analyzed using XRD to obtain information about lattice constants, structure, and crystal size. So, this research aims to determine the lattice constant, structure, and crystal size of the forming materials such as carbon, activated carbon and TiO2, and the TiO2/Activated carbon nanocomposite. Nanocomposites will be synthesized with mass variations to see the superior properties of the two forming materials. Variations were carried out with mass ratios of TiO2 and activated carbon, respectively, namely 40%:60%, 50%:50%, and 60%:40%. This research shows that the lattice constant in each variation has results that are by the shape of the crystal structure, and the crystal size value of the nanocomposite has reached the requirements as a nanocomposite material, namely a size below 100 nm. Activated carbon appears to have superior properties for smaller particle sizes than TiO2.
Microstructure Analysis of Mass Variations of LiOH/Cassava Peel Activated Carbon Nanocomposite Lidya Agraini; Darvina, Yenni
Journal of Experimental and Applied Physics Vol 2 No 1 (2024): March Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v2i1.43

Abstract

The need for electronic devices has grown quite rapidly. To operate electronic devices, batteries are needed. The most widely used battery is a rechargeable battery type lithium ion battery. the advantages of using rechargeable batteries are practical and easy to carry everywhere. One of the disadvantages of rechargeable batteries is not able to work at high power. For this reason, it is necessary to conduct research on the forming material on the battery anode. This study was intended to characterize the structure, field and crystal size of the mass variation of LiOH/cassava peel activated carbon nanocomposite synthesized using the sol gel method with a mass variation ratio of 40%: 60%, 50% : 50%, and 60%: 40%.The LiOH/cassava peel activated carbon nanocomposite was mixed with PEG 6000 solution stirred at 100º C to form a gel which was dried and pulverized. XRD characterization was carried out and analyzed using High Score Plus software. Carbon has a cubic crystal structure with a diffraction peak of 29.41º. Activated carbon has a hexagonal crystal structure with diffraction peaks of 31.53º and 44.48º. The nanocomposite has a crystal structure that is hexagonal and orthorhombic for the carbon phase, while LiOH is monoclinic with different miller indices. The nanocomposite crystal size is 26.33 nm to 79.01 nm, with the smallest crystal size found when the LiOH/activated carbon nanocomposite variation is 40%: 60%. From the three comparisons, the more carbon the smaller the crystal size.
Lattice Constants, Structure, and Crystal Size of Nanocomposites LiOH/Activated Carbon and Rough Bamboo with Mass Variation Yulia Febrina; Darvina, Yenni
Journal of Experimental and Applied Physics Vol 2 No 1 (2024): March Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v2i1.44

Abstract

Energy development is needed in everyday life, one of which is electrical energy. Batteries are reliable electrical energy in the operation of portable electronic devices. Batteries that are often used are lithium batteries. Lithium batteries have the ability to charge quickly, last long and have high energy power. The reality is that batteries often overheat, affecting the work of the battery. Efforts to improve the performance of lithium batteries are to improve the quality of the anode material. This study aims to determine the lattice constant, structure, and crystal size of carbon, activated carbon, LiOH and variations of LiOH nanocomposite/ rough bamboo activated carbon. This research uses the sol gel method and is characterized using XRD. The mass variations used are 40%: 60%, 50% : 50%, 60% :40%. Carbon has a cubic crystal structure, crystal size of 103 nm. Peak addition occurs on activated carbon because it undergoes an activation process. Activated carbon has a hexagonal crystal structure, smaller crystal size than carbon which 25 nm - 62 nm. LiOH has a tetragonal crystal structure, crystal size 81 nm - 108 nm. The LiOH phase generally has a tetragonal crystal structure, and the carbon phase has a rhombohedral crystal structure. In the 40%: 60% variation has the smallest crystal size of 23 nm - 42 nm, because the addition of activated carbon is more than LiOH so that it affects the crystal size. If the addition of activated carbon is more than LiOH, the crystal size will be smaller.
Effect of Variations in Mass Composition of TiO2/Activated Carbon Cassava Peel on Crystal Structure and Size Fauziyah, Faadhilah; Darvina, Yenni; Ratnawulan, Ratnawulan; Gusnedi, Gusnedi
Journal of Experimental and Applied Physics Vol 2 No 1 (2024): March Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v2i1.45

Abstract

A battery is a tool used to store electrical energy to obtain electricity so that it can be used to power remotes, cellphones, laptops, cameras and other electronic items. The working indicator of a battery is capacity, its electrochemical cycling capability depends on the anode material. In general, battery anodes are made using graphite. However, graphite has limitations, namely that it can easily cause short circuits. Because graphite has limitations, a replacement for graphite from TiO2 nanocomposites with activated carbon will be made. Nanocomposites are new materials that are formed by combining two or more compounds to produce new properties and have nanoscale dimensions. TiO2 is used because it can reduce short cycles, has good stability, high current density and can increase battery performance capacity. Activated carbon is used to expand the surface of the material to obtain a large capacitance. The activated carbon used in this article is cassava peel from unused waste in order to reduce environmental pollution and increase the economic value of the waste. The aim of this research is to produce TiO2/Activated Carbon nanocomposites to test their crystal structure and size using XRD. TiO2/Activated carbon nanocomposites were obtained using the sol-gel method. Variations in the mass composition of TiO2/Activated Carbon used are 40%:60%, 50%;50%, and 60%:40%. Based on the tests that have been carried out, the smallest crystal size was obtained with a variation of 40%:60%, namely 58.4 nm with a Tetragonal structure for TiO2 while Cubic and Rhombohedral for carbon.
Effect of Fe3O4 Nanoparticle and Graphene Oxide Compositions on The Magnetic Properties of Fe3O4 : Graphene Oxide Nanocomposites Ramadhani, Dinda; Hidayat, Rahmat; Ratnawulan, Ratnawulan; Darvina, Yenni
Journal of Experimental and Applied Physics Vol 2 No 2 (2024): June Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v2i2.50

Abstract

Magnetic material research aims to determine the effect of variations in the addition of Fe3O4 nanoparticles to graphene oxide. Graphene oxide made from coconut shell waste was synthesized using the modified hummers method and composited with Fe3O4 nanoparticles consisting of three composition variations, which are 20%:80%, 30%:70% and 40%:60%. The Fe3O4-Graphene Oxide nanocomposite was tested using three characterization tools, namely XRD, FTIR and VSM. Testing using XRD and FTIR was carried out to determine whether the Fe3O4-Graphene Oxide nanocomposite had been formed or not. In XRD testing, a crystal size of 39.57 nm was obtained, which means that this research has succeeded in forming nanocomposites where the size obtained is smaller than 100 nm. In FTIR testing, it can also be seen that this research has succeeded in forming Fe3O4-Graphene Oxide nanocomposites as seen from the functional groups obtained, which consist of oxygen, hydrogen, carbon and iron. In testing using VSM, it can be seen how the effect of adding Fe3O4 to graphene oxide, where the greater the addition of Fe3O4 composition, the greater the value of the coercivity field produced. In addition, the addition of Fe3O4 causes an increase in the magnetic properties of remanent magnetic, saturation magnetic  and coercivity values. The coercivity values are 371.18 Oe, 387.59 Oe and 405.19 Oe, respectively, where the highest coercivity value is found in the 40% variation: 60%. This hail shows that the nanocomposite produced is ferromagnetic and classified as a hard magnet so that it can be applied as HDD.
Analysis of the Influence Mass Variations of Banana STEM Fibres with Polypropylene (PP) Matrix on Accoustic and Porosity Properties Santika, Viera Alvio; Darvina, Yenni; Ratnawulan, Ratnawulan; Jhora, Fadhila Ulfa
Journal of Experimental and Applied Physics Vol 2 No 2 (2024): June Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v2i2.54

Abstract

Noise pollution is sound that you do not want to hear or is known as noise. If people hears loud noises continuously, it can disrupt hearing function. Therefore, it is necessary to have noise control by making an acoustic material that will be coated on the room's walls. A cheap and environmentally friendly alternative material is using banana stem waste from the fibre taken and with polypropylene as a fibre binder. This research aims to determine the effect of variations in the mass composition of banana stem fibre with the matrix polypropylene on the value of the acoustic properties and porosity, and determine the relationship between porosity with acoustic properties. Characteristics of the acoustics that will be measured are sound absorption coefficient, sound reflection coefficient, and transmission loss. The method used is using a characterizaton tool with one microphone impedance tube and porosity test tool with a digital scale. Acoustic material is made by varying the mass percentage in the ratio of polypropylene and midrib fibre banana, namely 90%:10%; 85%:15%; 80%:20%; 75%:25%; and 70%:30%. Based on the research results, it is known that the more fibre composition in the composite, the sound absorption coefficient values, transmission loss values, and porosity values were higher produced, but the resulting sound reflection coefficient value was lower. Then, the relationship between porosity with acoustic properties was that the higher porosity value, the resulting sound absorption coefficient and transmission loss value are higher too. However, the resulting sound reflection coefficient value was getting lower.
Carbonization Time Optimization In The Preparation Of Coconut Pulp Based Activated Carbon For Thermoelectric Materials Febrian, Nanda; Darvina, Yenni; Ramli, Ramli; Hidayat, Rahmat
Journal of Experimental and Applied Physics Vol 2 No 2 (2024): June Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v2i2.61

Abstract

In this study utilizing coconut pulp as an ingredient in making activated carbon for thermoelectric materials From the research that has been done, it is not yet known the best carbonization time on coconut pulp activated carbon for thermoelectric materials. Therefore, this study aims to determine the optimization of carbonization time on coconut pulp activated carbon for thermoelectric materials. The coconut pulp was dried using an oven at 105ºC and then carbonized using a furnace. Carbonization time variations used were 10 minutes, 15 minutes, and 20 minutes with temperature variations from previous research, namely 300ºC. Then the results of carbonization were mashed using a mortar and pestle and filtered using a 120 mesh sieve. Carbon was activated with 0.5 M HCl (1:10) as much as 25 grams for 24 hours. After activation, the carbon was filtered, washed with distilled water and dried using an oven. Then the coconut pulp activated carbon was characterized by testing water content, vapor content, ash content, and bound carbon content. The test results show that based on SNI 06-3730-1995 the lowest water content is at 10 minutes carbonization time which is 1.72%, the lowest steam content is at 10 minutes carbonization time which is 8.54%, the lowest ash content is at 20 minutes carbonization time which is 0.55%, and the highest bound carbon content is at 10 minutes carbonization time which is 90.65%. The results showed that the optimization of carbonization time on coconut pulp activated carbon for thermoelectric materials was 10 minutes.
Co-Authors - Afrizal - Rahmi - Ramli - Ramli - Syakbaniah - Yulkifli - Yulkifli Abdul Azis Abdul Aziz Ade Aprilia Ade Usra Berli Afdatul Zikri Ahmad Fauzi Aifah Fauziah Akmam Akmam Alif Yulanda Putri Almunazar, Fauziyah Alqadri, Dheo Alwi Nofriandi Amali Putra Ambran Hartono amira tiara wulandari Andari Oktafiani Anisa Meysi Wardi Annisa Febriani, Annisa Anofa Liona Anwar, Suci Aprilia Cahaya Ari Arfandi arifaldi arifaldi Asfaha, Auzha Hira Asrad Hafizah Asrizal Asrizal Asrizal Atika Dwi Maharani Zuler Audia, Washilla Aulia, Mhd Reyfanza Aulia Azca Aryadiva Mahengga Azura Carolina Harsani Azzahra, Zakia Baehaqi Bella Salsa Bella Sukma Putri Chairunnas Chairunnas Cici Ramayanti Dara Putri Pratama Desnita Desra Yarsina Dicko Maulana Syahdan Diffa Azilia Dila Alhumaira Dola Afriyenti Edi Sanjaya Elsa Imelda Elsa Okta Memori Elsa Rahmayuni everly aberta Fadhila Ulfa Jhora Fadilla Septiani Fadillah Ulfah Fakhrur Rhozy Fani, Meylin Sir Fanny Rahmatina Rahim Fatni Mufit Fatni Mutfit Fauziyah, Faadhilah Febrian Syah Febrian, Nanda Festiyed Fio Adella Illahi Firda Annisa Fitrah Ayu fitri rahmi Fitria Murti Fran Surya Andi Fredy Pratama Frima Suci Agustia Fuja Novitra Gina Fadilah NST Gusnedi Gusnedi Gusnedi Gusnedi Gusnedi, - Gustika Yonanda Hamdi Rifai Hardina, Yuli Harman Amir Hasya Syahmi Hazrati Ashel Hersha Hanifa Hidayati Hidayati Hidayati Hidayati Hidayati Hidayati Hifzi, Zudiya Hilmi Rizki Anjani Hrp, Abdul Maulub Hufri Hufri Ihsania Ikrima Kinanti Ilahi, Fitratul Indah Safira Indah Septia Ningsih Indah Tri Handini Indri Syukra Innes Andriani Iryani Iryani Ismathul Dinny Jasmine, Alifa Jhora, Fadhila Jhora, Fadhila Ulfa Jhora, Fadhilla Ulfa Kasih Syirpia Khairunnisa Khairunnisa Kuwat Triyana Larasati br Ginting, Putri Zulvia Lestra, Dila Ayu Letmi Dwiridal Lidya Agraini Lucya Sinurat Lusi Oktavia Masril Masril Masril Masril Masril Masril masril masril Masril Masril Melani Alvino Miftahurrahmah Miftahurrahmah, Miftahurrahmah Muhammad Ikmal Muhammad Rivai Murtiani Murtiani Murtiani Murtiani Mustika, Dian Putri mutia faizah apriani Mutia Risma Mutia Yussavel Navis Nabila, Aliya Nadia Ardianti Nadia Ramadhanty Nadila Putri Bungsu Nadya Aztifa Nadya Yunestika Nawiyah, Nawiyah Nazifah, Naurah Nia Nursurila Nidya Yulfriska Nidya Yulfriska Novelia Prima Novitra, Fuja Nur Anisa Nur Sahfitri Nurhasanah Nurhasanah Nurhijjah Tiur S Nurmala Sari Lubis Oktavia, Vini Onny Gustira Pakhrur Razi Pertama, Indri Saputri Pratama, Rayvol Dion Pratiwi Mailisa Prima Nora Ananda Puput Mulya Sari Pusri Mela Putra Adil Putra, Amali Putri Diana Putri Dwi Sundari Putri Rasti Ramadhani Radha Firaina Rahma Tilla Dwi Lestari Rahma Yeni Rahmadini, Fadhilla Rahmat Hidayat Rahmat Hidayat Rahmi Zulva Ramadhani, Dinda Ramli Ramli Ramli Ramli Ramli Ramli Ramli Ramli Ramli Ramli Ramli Ramli, - Rara Nur Rida M.Y Ratnawulan . Renol Afrizon Resti Novela Retna Junia Revi Febrina Sari Ria Monica Rifi Wasrika Rima Melani Putri Rio Anshari Riolin Putri Artiwi Riri Jonuarti Riri Raihannil Jannah Riyasni, Selma rizka fauziah Rizki Rizki Romizah Marta Salma Amalia As Shidiq Santika, Viera Alvio Sari, Mona Berlian Septia, Zahwa Setivawani, Andrisa Shinta Kumala Silmi Hidayatullah03 Silvi Trisna Silvi Yulia Sari Siti Rahma Fitri Yani Siti Riva Darwata Slivi Yulia Sari Solly Aryza Sonia Nur Riza Sovia Yulianti Srisa Oktaweri Suci Wahyuni Suherman, Dea Stivani Suryani Fadhilah Syafri, Syafri Syafriani - - Syafriani Syafriani Syafriani Syafriani Syafriani Syafriani Syafrinaldi Syafrinaldi Syahputra , Ilham Syair Nandi Tiwi Novalia Syahari Tri Agunaisy Tria Sukma Sandi Trio Junira Fernando Ulfa Jhora, Fadhila Ulfa Jhora, Fadhilla Ully Nuraidina Ummiatul Fitri Vanessa Febta Sindani Varadila Sahanaya wahyu dilla abdullah Wahyudil Hayat wahyuni hafnisyah Wahyuni Satria Dewi Widara, Rofifah Windri Suci Gaitari Yeni Mustika Sari Yogi Putra Yohandri Yohandri Bow Yolvi Oktaviani Yona Sri Mantia Yosi Febriani Yudha, Fauzan Syafril Yulhendri Yulhendri Yulia Febrina Yulia Sari, Silvi Yulkifi Yulkifi Yulkifli Yulkifli Yulkifli Yulkifli Yulkifli Yulkifli, Y Yunita Ela Saputri Yuri Yanti Yurnetti Yurnetti Yurnetti Yurnetti Yurnetti, Yurnetti Zakiya, Zara Zara Zakiya Zoni, Muhammad Ari Zulhendri Kamus Zulma, Degito