CERiMRE https://jurnal.unej.ac.id/index.php/CERiMRE eISSN: 2747-173X Physics Department, Faculty of Mathematics and Natural Sciences The University of Jember VOLUME 4, ISSUE 1 MAY 2021 TABLE OF CONTENTS Volume 4, Issue 1 May – 2021 eISSN 2747-173X Page Cover i Table of Contents ii Editorial Board iii Study of the Structure and Electronic Properties of the ZnO Monolayer: Density Functional Theory Muhammad Fadlan Raihan, Triati Dewi Kencana Wungu, and Brian Yuliarto 1-7 Neutronic Analysis of LEU-started Molten Chloride Fast Reactor without Fuel Reprocessing R. Andika Putra Dwijayanto and Andang Widi Harto 8-20 Analysis of Vibration in Payload Room Due to Engine Vibration on LSU-05 NG Yusuf Giri Wijaya, Nur Mufidatul Ula, Muksin and Mukhael Gilang Pribadi Putra Pratama 21-29 Optimization of the Main Landing Gear Structure of LSU-02NGLD Fajar Ari Wandono 30-43 Identification of The Geothermal Heat at Mount Iyang-Argopuro Based on a Data Image of Landsat 8 Satellite and a Data Gravity of GGMPlus Satellite Ega Abi Bahtiar, Agus Suprianto and Supriyadi 44-59