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<button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2407.02420">arXiv:2407.02420</a> <span> [<a href="https://arxiv.org/pdf/2407.02420">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Earth and Planetary Astrophysics">astro-ph.EP</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Geophysics">physics.geo-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.3847/PSJ/ad5b5e">10.3847/PSJ/ad5b5e <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Geophysical Observations of the 24 September 2023 OSIRIS-REx Sample Return Capsule Re-Entry </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Silber%2C+E+A">Elizabeth A. Silber</a>, <a href="/search/physics?searchtype=author&query=Bowman%2C+D+C">Daniel C. Bowman</a>, <a href="/search/physics?searchtype=author&query=Carr%2C+C+G">Chris G. Carr</a>, <a href="/search/physics?searchtype=author&query=Eisenberg%2C+D+P">David P. Eisenberg</a>, <a href="/search/physics?searchtype=author&query=Elbing%2C+B+R">Brian R. Elbing</a>, <a href="/search/physics?searchtype=author&query=Fernando%2C+B">Benjamin Fernando</a>, <a href="/search/physics?searchtype=author&query=Garc%C3%A9s%2C+M+A">Milton A. Garc茅s</a>, <a href="/search/physics?searchtype=author&query=Haaser%2C+R">Robert Haaser</a>, <a href="/search/physics?searchtype=author&query=Krishnamoorthy%2C+S">Siddharth Krishnamoorthy</a>, <a href="/search/physics?searchtype=author&query=Langston%2C+C+A">Charles A. Langston</a>, <a href="/search/physics?searchtype=author&query=Nishikawa%2C+Y">Yasuhiro Nishikawa</a>, <a href="/search/physics?searchtype=author&query=Webster%2C+J">Jeremy Webster</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+J+F">Jacob F. Anderson</a>, <a href="/search/physics?searchtype=author&query=Arrowsmith%2C+S">Stephen Arrowsmith</a>, <a href="/search/physics?searchtype=author&query=Bazargan%2C+S">Sonia Bazargan</a>, <a href="/search/physics?searchtype=author&query=Beardslee%2C+L">Luke Beardslee</a>, <a href="/search/physics?searchtype=author&query=Beck%2C+B">Brant Beck</a>, <a href="/search/physics?searchtype=author&query=Bishop%2C+J+W">Jordan W. Bishop</a>, <a href="/search/physics?searchtype=author&query=Blom%2C+P">Philip Blom</a>, <a href="/search/physics?searchtype=author&query=Bracht%2C+G">Grant Bracht</a>, <a href="/search/physics?searchtype=author&query=Chichester%2C+D+L">David L. Chichester</a>, <a href="/search/physics?searchtype=author&query=Christe%2C+A">Anthony Christe</a>, <a href="/search/physics?searchtype=author&query=Clarke%2C+J">Jacob Clarke</a>, <a href="/search/physics?searchtype=author&query=Cummins%2C+K">Kenneth Cummins</a>, <a href="/search/physics?searchtype=author&query=Cutts%2C+J">James Cutts</a> , et al. (57 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2407.02420v2-abstract-short" style="display: inline;"> Sample Return Capsules (SRCs) entering Earth's atmosphere at hypervelocity from interplanetary space are a valuable resource for studying meteor phenomena. The 24 September 2023 arrival of the OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer) SRC provided an unprecedented chance for geophysical observations of a well-characterized source with kn… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.02420v2-abstract-full').style.display = 'inline'; document.getElementById('2407.02420v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2407.02420v2-abstract-full" style="display: none;"> Sample Return Capsules (SRCs) entering Earth's atmosphere at hypervelocity from interplanetary space are a valuable resource for studying meteor phenomena. The 24 September 2023 arrival of the OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer) SRC provided an unprecedented chance for geophysical observations of a well-characterized source with known parameters, including timing and trajectory. A collaborative effort involving researchers from 16 institutions executed a carefully planned geophysical observational campaign at strategically chosen locations, deploying over 400 ground-based sensors encompassing infrasound, seismic, distributed acoustic sensing (DAS), and GPS technologies. Additionally, balloons equipped with infrasound sensors were launched to capture signals at higher altitudes. This campaign (the largest of its kind so far) yielded a wealth of invaluable data anticipated to fuel scientific inquiry for years to come. The success of the observational campaign is evidenced by the near-universal detection of signals across instruments, both proximal and distal. This paper presents a comprehensive overview of the collective scientific effort, field deployment, and preliminary findings. The early findings have the potential to inform future space missions and terrestrial campaigns, contributing to our understanding of meteoroid interactions with planetary atmospheres. Furthermore, the dataset collected during this campaign will improve entry and propagation models as well as augment the study of atmospheric dynamics and shock phenomena generated by meteoroids and similar sources. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.02420v2-abstract-full').style.display = 'none'; document.getElementById('2407.02420v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 September, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 July, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">87 pages, 14 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2308.12603">arXiv:2308.12603</a> <span> [<a href="https://arxiv.org/pdf/2308.12603">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Medical Physics">physics.med-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Tissues and Organs">q-bio.TO</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/2051/1/012033">10.1088/1742-6596/2051/1/012033 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Parametric Investigation on Different Bone Densities to avoid Thermal Necrosis during Bone Drilling Process </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Islam%2C+M+A">Md Ashequl Islam</a>, <a href="/search/physics?searchtype=author&query=Kamarrudin%2C+N+S">Nur Saifullah Kamarrudin</a>, <a href="/search/physics?searchtype=author&query=Suhaimi%2C+M+F+F">M. F. F. Suhaimi</a>, <a href="/search/physics?searchtype=author&query=Daud%2C+R">Ruslizam Daud</a>, <a href="/search/physics?searchtype=author&query=Ibrahim%2C+I">Ishak Ibrahim</a>, <a href="/search/physics?searchtype=author&query=Mat%2C+F">Fauziah Mat</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2308.12603v1-abstract-short" style="display: inline;"> Bone drilling is a universal surgical procedure commonly used for internal fracture fixation, implant placement, or reconstructive surgery in orthopedics and dentistry. The increased temperature during such treatment increases the risk of thermal penetration of the bone, which may delay healing or compromise the fixation's integrity. Thus, avoiding penetration during bone drilling is critical to e… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.12603v1-abstract-full').style.display = 'inline'; document.getElementById('2308.12603v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2308.12603v1-abstract-full" style="display: none;"> Bone drilling is a universal surgical procedure commonly used for internal fracture fixation, implant placement, or reconstructive surgery in orthopedics and dentistry. The increased temperature during such treatment increases the risk of thermal penetration of the bone, which may delay healing or compromise the fixation's integrity. Thus, avoiding penetration during bone drilling is critical to ensuring the implant's stability, which needs surgical drills with an optimized design. Bovine femur and mandible bones are chosen as the work material since human bones are not available and are the closest animal bone to human bone in terms of properties. In the present study, the Taguchi fractional factorial approach was used to determine the best design of surgical drills by comparing the drilling properties (i.e., signal-to-noise ratio and temperature rise). The control factors (spindle speed, drill bit diameter, drill site depth, and their levels) were arranged in an L9 orthogonal array. Drilling experiments were done using nine experimental drills with three repetitions. The findings of this study indicate that the ideal values of the surgical drill's three parameters combination (S1D1Di2) and their percentage contribution depend on the parameters' drilling levels. However, the result shows that the spindle speed has the highest temperature effect among other parameters in both (femur and mandible) bones. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.12603v1-abstract-full').style.display = 'none'; document.getElementById('2308.12603v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2308.12034">arXiv:2308.12034</a> <span> [<a href="https://arxiv.org/pdf/2308.12034">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Medical Physics">physics.med-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Tissues and Organs">q-bio.TO</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/2129/1/012096">10.1088/1742-6596/2129/1/012096 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Temperature measurement methods in an experimental setup during bone drilling: A brief review on the comparison of thermocouple and infrared thermography </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Islam%2C+M+A">Md Ashequl Islam</a>, <a href="/search/physics?searchtype=author&query=Kamarrudin%2C+N+S">Nur Saifullah Kamarrudin</a>, <a href="/search/physics?searchtype=author&query=Daud%2C+R">Ruslizam Daud</a>, <a href="/search/physics?searchtype=author&query=Ibrahim%2C+I">Ishak Ibrahim</a>, <a href="/search/physics?searchtype=author&query=Rahman%2C+A">Anas Rahman</a>, <a href="/search/physics?searchtype=author&query=Mat%2C+F">Fauziah Mat</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2308.12034v1-abstract-short" style="display: inline;"> Predicting thermal response in orthopaedic surgery or dental implantation remains a significant challenge. This study aims to find a practical approach for measuring temperature elevation during a bone drilling experiment by analyzing the existing methods. Traditionally thermocouple has frequently been used to predict the bone temperature in the drilling process. However, several experimental stud… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.12034v1-abstract-full').style.display = 'inline'; document.getElementById('2308.12034v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2308.12034v1-abstract-full" style="display: none;"> Predicting thermal response in orthopaedic surgery or dental implantation remains a significant challenge. This study aims to find a practical approach for measuring temperature elevation during a bone drilling experiment by analyzing the existing methods. Traditionally thermocouple has frequently been used to predict the bone temperature in the drilling process. However, several experimental studies demonstrate that the invasive method using thermocouple is impractical in medical conditions and prefers the thermal infrared (IR) camera as a non-invasive method. This work proposes a simplified experimental model that uses the thermocouple to determine temperature rise coupled with the thermal image source approach. Furthermore, our new method provides a significant opportunity to calibrate the thermal IR camera by discovering the undetected heat elevation in a workpiece depth. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.12034v1-abstract-full').style.display = 'none'; document.getElementById('2308.12034v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2306.14733">arXiv:2306.14733</a> <span> [<a href="https://arxiv.org/pdf/2306.14733">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Materials Science">cond-mat.mtrl-sci</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Mesoscale and Nanoscale Physics">cond-mat.mes-hall</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Classical Physics">physics.class-ph</span> </div> </div> <p class="title is-5 mathjax"> Temperature Dependent Failure of Atomically Thin MoTe2 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Haider%2C+A+S+M+R">A S M Redwan Haider</a>, <a href="/search/physics?searchtype=author&query=Hezam%2C+A+F+A+M">Ahmad Fatehi Ali Mohammed Hezam</a>, <a href="/search/physics?searchtype=author&query=Islam%2C+M+A">Md Akibul Islam</a>, <a href="/search/physics?searchtype=author&query=Arafat%2C+Y">Yeasir Arafat</a>, <a href="/search/physics?searchtype=author&query=Ferdaous%2C+M+T">Mohammad Tanvirul Ferdaous</a>, <a href="/search/physics?searchtype=author&query=Salehin%2C+S">Sayedus Salehin</a>, <a href="/search/physics?searchtype=author&query=Karim%2C+M+R">Md. Rezwanul Karim</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2306.14733v3-abstract-short" style="display: inline;"> In this study, we systematically investigated the mechanical responses of monolayer molybdenum ditelluride (MoTe2) using molecular dynamics (MD) simulations. The tensile behavior of trigonal prismatic phase (2H phase) MoTe2 under uniaxial strain was simulated in the armchair and zigzag directions. We also investigated the crack formation and propagation in both armchair and zigzag directions at 10… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2306.14733v3-abstract-full').style.display = 'inline'; document.getElementById('2306.14733v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2306.14733v3-abstract-full" style="display: none;"> In this study, we systematically investigated the mechanical responses of monolayer molybdenum ditelluride (MoTe2) using molecular dynamics (MD) simulations. The tensile behavior of trigonal prismatic phase (2H phase) MoTe2 under uniaxial strain was simulated in the armchair and zigzag directions. We also investigated the crack formation and propagation in both armchair and zigzag directions at 10K and 300K to understand the fracture behavior of monolayer MoTe2 at different temperatures. The MD simulations show clean cleavage for the armchair direction, and the cracks were numerous and scattered in the case of the zigzag direction. Finally, we investigated the effect of temperature on Young's modulus and fracture stress of monolayer MoTe2. The results show that at a strain rate of 10^-4 ps^-1, the fracture strength of monolayer MoTe2 in the armchair and zigzag directions at 10K is 16.33 GPa (11.43 N/m) and 13.71 GPa (9.46 N/m) under a 24% and 18% fracture strain, respectively. The fracture strength of monolayer MoTe2 in the armchair and zigzag direction at 600K is 10.81 GPa (7.56 N/m) and 10.13 GPa (7.09 N/m) under a 12.5% and 12.47% fracture strain, respectively. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2306.14733v3-abstract-full').style.display = 'none'; document.getElementById('2306.14733v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 January, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 June, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">22 Pages, 7 Figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2212.03081">arXiv:2212.03081</a> <span> [<a href="https://arxiv.org/pdf/2212.03081">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Computers and Society">cs.CY</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Social and Information Networks">cs.SI</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Physics and Society">physics.soc-ph</span> </div> </div> <p class="title is-5 mathjax"> Data analytics on key indicators for the city's urban services and dashboards for leadership and decision-making </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Islam%2C+M+A">Md Aminul Islam</a>, <a href="/search/physics?searchtype=author&query=Sufian%2C+M+A">Md Abu Sufian</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2212.03081v4-abstract-short" style="display: inline;"> Cities are continuously evolving human settlements. Our cities are under strain in an increasingly urbanized world, and planners, decision-makers, and communities must be ready to adapt. Data is an important resource for municipal administration. Some technologies aid in the collection, processing, and visualization of urban data, assisting in the interpretation and comprehension of how urban syst… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.03081v4-abstract-full').style.display = 'inline'; document.getElementById('2212.03081v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2212.03081v4-abstract-full" style="display: none;"> Cities are continuously evolving human settlements. Our cities are under strain in an increasingly urbanized world, and planners, decision-makers, and communities must be ready to adapt. Data is an important resource for municipal administration. Some technologies aid in the collection, processing, and visualization of urban data, assisting in the interpretation and comprehension of how urban systems operate. The relationship between data analytics and smart cities has come to light in recent years as interest in both has grown. A sophisticated network of interconnected systems, including planners and inhabitants, is what is known as a smart city. Data analysis has the potential to support data-driven decision-making in the context of smart cities. Both urban managers and residents are becoming more interested in city dashboards. Dashboards may collect, display, analyze, and provide information on regional performance to help smart cities development have sustainability. In order to assist decision-making processes and enhance the performance of cities, we examine how dashboards might be used to acquire accurate and representative information regarding urban challenges. This chapter culminates Data Analytics on key indicators for the city's urban services and dashboards for leadership and decision-making. A single web page with consolidated information, real-time data streams pertinent to planners and decision-makers as well as residents' everyday lives, and site analytics as a method to assess user interactions and preferences are among the proposals for urban dashboards. Keywords: -Dashboard, data analytics, smart city, sustainability, Smart cities, City dashboards, Urban services, Decision-making, Interconnected systems, Real-time data streams, Key indicators, and Urban challenges. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.03081v4-abstract-full').style.display = 'none'; document.getElementById('2212.03081v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 September, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 1 December, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2112.03642">arXiv:2112.03642</a> <span> [<a href="https://arxiv.org/pdf/2112.03642">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Superconductivity">cond-mat.supr-con</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Applied Physics">physics.app-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.mtcomm.2022.104302">10.1016/j.mtcomm.2022.104302 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A comprehensive first principles calculations on (Ba0.82K0.18)(Bi0.53Pb0.47)O3 single-cubic-perovskite superconductor </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Rubel%2C+M+H+K">Mirza H. K. Rubel</a>, <a href="/search/physics?searchtype=author&query=Mitro%2C+S+K">Sujon Kumar Mitro</a>, <a href="/search/physics?searchtype=author&query=Hossain%2C+K+M">Khandaker Monower Hossain</a>, <a href="/search/physics?searchtype=author&query=Rahaman%2C+M+M">Md. Mijanur Rahaman</a>, <a href="/search/physics?searchtype=author&query=Hossain%2C+M+K">M. Khalid Hossain</a>, <a href="/search/physics?searchtype=author&query=Hossain%2C+J">Jaker Hossain</a>, <a href="/search/physics?searchtype=author&query=Mondal%2C+B+K">B. K. Mondal</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+I">Istiak Ahmed</a>, <a href="/search/physics?searchtype=author&query=Islam%2C+A+K+M+A">A. K. M. A. Islam</a>, <a href="/search/physics?searchtype=author&query=El-Denglawey%2C+A">A. El-Denglawey</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2112.03642v1-abstract-short" style="display: inline;"> In this present study, the pseudopotential plane-wave (PP-PW) pathway in the scheme of density functional theory (DFT) is utilized to investigate the various physical properties on (Ba0.82K0.18)(Bi0.53Pb0.47)O3 (BKBPO) single perovskite superconductor. We have analyzed elastic constants and moduli at zero and elevated pressures (up to 25 GPa) as well. We also have investigated the anisotropic natu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.03642v1-abstract-full').style.display = 'inline'; document.getElementById('2112.03642v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2112.03642v1-abstract-full" style="display: none;"> In this present study, the pseudopotential plane-wave (PP-PW) pathway in the scheme of density functional theory (DFT) is utilized to investigate the various physical properties on (Ba0.82K0.18)(Bi0.53Pb0.47)O3 (BKBPO) single perovskite superconductor. We have analyzed elastic constants and moduli at zero and elevated pressures (up to 25 GPa) as well. We also have investigated the anisotropic nature incorporating both the theoretical indices and graphical representations in 2D and 3D dimensions, which reveals a high level of anisotropy. The flatness of the energy bands near EF is a sign of Van-Hf singularity that might increase the electron pairing and origination of high-TC superconductivity. The computed band structure exhibits its metallic characteristics is confirmed by band overlapping. A band of DOS is formed for the strong hybridization of the constituent elements. The orbital electrons of O-2p contribute most dominantly at EF in contrast to all orbital electrons. The orbital electrons at the EF are higher from both the partial density of states and charge density mapping investigation. The coexistence of the electron and hole-like Fermi sheets exhibits the multi-band nature of BKBPO. On the other hand, Fermi surfaces with flat faces promote transport features and Fermi surface nesting as well. The calculated value of the electron-phonon coupling constant (位 = 1.46) is slightly lower than the isostructural superconductor, which indicates that the studied BKBPO can be treated as a strongly coupled superconductor similar to the reported isostructural perovskite superconductors. Furthermore, the thermodynamic properties have been evaluated and analyzed at elevated temperature and pressure by using harmonic Debye approximation (QHDA). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.03642v1-abstract-full').style.display = 'none'; document.getElementById('2112.03642v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 December, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">20 pages, 7 figures, 6 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Materials Today Communications, 33 (2022) 104302 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1510.05564">arXiv:1510.05564</a> <span> [<a href="https://arxiv.org/pdf/1510.05564">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Computational Physics">physics.comp-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Materials Science">cond-mat.mtrl-sci</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.3329/jsr.v6i3.19191">10.3329/jsr.v6i3.19191 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Sulvanite Compounds Cu3TMS4 (TM= V, Nb and Ta): Elastic, Electronic, Optical and Thermal Properties using First-principles Method </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Ali%2C+M+A">M. A. Ali</a>, <a href="/search/physics?searchtype=author&query=Jahan%2C+N">N. Jahan</a>, <a href="/search/physics?searchtype=author&query=Islam%2C+A+K+M+A">A. K. M. A. Islam</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1510.05564v1-abstract-short" style="display: inline;"> We present a systematic first-principles study of the structural, elastic, electronic, optical and thermodynamics properties of the sulvanite compounds Cu3TMS4 (TM = V, Nb and Ta). The structural, elastic and electronic properties are in fact revisited using a different calculation code than that used by other workers and the results are compared. The band gaps are found to be 1.041, 1.667 and 1.8… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.05564v1-abstract-full').style.display = 'inline'; document.getElementById('1510.05564v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1510.05564v1-abstract-full" style="display: none;"> We present a systematic first-principles study of the structural, elastic, electronic, optical and thermodynamics properties of the sulvanite compounds Cu3TMS4 (TM = V, Nb and Ta). The structural, elastic and electronic properties are in fact revisited using a different calculation code than that used by other workers and the results are compared. The band gaps are found to be 1.041, 1.667 and 1.815 eV for Cu3VS4, Cu3NbS4 and Cu3TaS4, respectively which are comparable to other available calculated results. The optical properties such as dielectric function, refractive index, photoconductivity, absorption coefficients, reflectivity and loss function have been calculated for the first time. The calculated results are compared with the limited measured data on energy dependent refractive index and reflectivity coefficient available only for Cu3TaS4. All the materials are dielectric, transparent in the visible range. The values of plasma frequencies are found to be 15.36, 15.58 and 15.64 eV for Cu3VS4, Cu3NbS4 and Cu3TaS4, respectively. Furthermore, following the quasi-harmonic Debye model, the temperature effect on the bulk modulus, heat capacity, and Debye temperature is calculated reflecting the anharmonic phonon effects and these are compared with both experimental and other theoretical data where available. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.05564v1-abstract-full').style.display = 'none'; document.getElementById('1510.05564v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Journal of Scientific Research 6 (2014) 407-419 </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 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