Static And Dynamic Evolution Of CO Adsorption On Γ-U (1 0 0) Surface With Different Levels Of Mo Doping Using DFT And AIMD Calculations - Info and Reading Options
By Li, Junwei, Jia Wei-min, Liu Chong, Lv Sha-Sha, Wang Jin-tao and Li Zheng-cao
“Static And Dynamic Evolution Of CO Adsorption On Γ-U (1 0 0) Surface With Different Levels Of Mo Doping Using DFT And AIMD Calculations” Metadata:
- Title: ➤ Static And Dynamic Evolution Of CO Adsorption On Γ-U (1 0 0) Surface With Different Levels Of Mo Doping Using DFT And AIMD Calculations
- Authors: ➤ Li, JunweiJia Wei-minLiu ChongLv Sha-ShaWang Jin-taoLi Zheng-cao
“Static And Dynamic Evolution Of CO Adsorption On Γ-U (1 0 0) Surface With Different Levels Of Mo Doping Using DFT And AIMD Calculations” Subjects and Themes:
- Subjects: ➤ ChinaXiv - 中国科学院科技论文预发布平台 - 核科学技术 - 核材料与工艺技术 - Adsorption and dissociation - Uranium - CO molecule - Density functional theory - ab-initio molecular dynamics
Edition Identifiers:
- Internet Archive ID: ChinaXiv-202308.00194V1
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"Static And Dynamic Evolution Of CO Adsorption On Γ-U (1 0 0) Surface With Different Levels Of Mo Doping Using DFT And AIMD Calculations" Description:
The Internet Archive:
<div class="hd"> <h1> Static and dynamic evolution of CO adsorption on γ-U (1 0 0) surface with different levels of Mo doping using DFT and AIMD calculations </h1> <div class="flex" style="border:0px;padding-bottom:0px;"> </div> <div class="bd" style="border-bottom:1px solid #ced6e0;"> <ul style="margin-top:0px;"> <li> <b> 作者: </b> <a href="https://chinaxiv.org/user/search.htm?field=author&value=Li,%20Junwei" style="color:#3060cc;" rel="nofollow"> Li, Junwei </a> <sup style="margin-left:0px;"> 1,2 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&value=Jia%20Wei-min" style="color:#3060cc;" rel="nofollow"> Jia Wei-min </a> <sup style="margin-left:0px;"> 2 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&value=Liu%20Chong" style="color:#3060cc;" rel="nofollow"> Liu Chong </a> <sup style="margin-left:0px;"> 1 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&value=Lv%20Sha-Sha" style="color:#3060cc;" rel="nofollow"> Lv Sha-Sha </a> <sup style="margin-left:0px;"> 3 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&value=Wang%20Jin-tao" style="color:#3060cc;" rel="nofollow"> Wang Jin-tao </a> <sup style="margin-left:0px;"> 2 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&value=Li%20Zheng-cao" style="color:#3060cc;" rel="nofollow"> Li Zheng-cao </a> <sup style="margin-left:0px;"> 1 </sup> </li> <li> <b> 作者单位: </b> <div style="margin-left:70px;margin-top:-26px;"> <div> 1. <a href="https://chinaxiv.org/user/search.htm?field=affication&value=School%20of%20Materials%20Science%20and%20Engineering,%20Tsinghua%20University" style="color:#3060cc;" rel="nofollow"> School of Materials Science and Engineering, Tsinghua University </a> </div> <div> 2. <a href="https://chinaxiv.org/user/search.htm?field=affication&value=%20Xi%E2%80%99an%20Research%20Institute%20of%20High-Technology" style="color:#3060cc;" rel="nofollow"> Xi’an Research Institute of High-Technology </a> </div> <div> 3. <a href="https://chinaxiv.org/user/search.htm?field=affication&value=College%20of%20Nuclear%20Science%20and%20Technology,%20Beijing%20Normal%20University" style="color:#3060cc;" rel="nofollow"> College of Nuclear Science and Technology, Beijing Normal University </a> </div> </div> </li> <li> <b> 通讯作者: </b> <a href="https://chinaxiv.org/user/search.htm?field=author&value=Li%20Zheng-cao" style="color:#bb3536;" rel="nofollow"> Li Zheng-cao </a> Email:[email protected] </li> <li> <b> 提交时间: </b> 2023-08-14 </li> </ul> </div> <div class="bd" style="margin-top:15px;"> <p style="color:#333;"> <b> 摘要: </b> Alloys of uranium and molybdenum are considered as the future of nuclear fuel and defense materials. However, surface corrosion is a fundamental problem in practical applications and storage. In this study, the static and dynamic evolution of carbon monoxide (CO) adsorption and dissociation on -U (1 0 0) surface with different Mo doping levels was investigated based on density functional theory and ab initio molecular dynamics. During the static calculation phase, parameters, such as adsorption energy, configuration, and Bader charge, were evaluated at all adsorption sites. Furthermore, the time-dependent behavior of CO molecule adsorption were investigated at the most favorable sites. The minimum energy paths for CO molecular dissociation and atom migration were investigated using the transition state search method. The results demonstrated that the CO on the uranium surface mainly manifests as chemical adsorption before dissociation of the CO molecule. The CO molecule exhibited a tendency to rotate and tilt upright adsorption. However, it is difficult for CO adsorption on the surface in one of the configurations with CO molecule in vertical direction but oxygen (O) is closer to the surface. Bader charge illustrates that the charge transfers from slab atoms to the 2* antibonding orbital of CO molecule and particularly occurs in carbon (C) atoms. The time is less than 100 fs for the adsorptions that forms embryos with tilt upright in dynamics evolution. The density of states elucidates that the overlapping hybridization of C and O 2p orbitals is mainly formed via the d orbitals of uranium and molybdenum (Mo) atoms in the dissociation and re-adsorption of CO molecule. In conclusion, Mo-doping of the surface can decelerate the adsorption and dissociation of CO molecules. A Mo-doped surface, created through ion injection, enhanced the resistance to uranium-induced surface corrosion. </p> <div class="brdge"> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&value=Adsorption%20and%20dissociation" rel="nofollow"> Adsorption and dissociation </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&value=%20Uranium" rel="nofollow"> Uranium </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&value=%20CO%20molecule" rel="nofollow"> CO molecule </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&value=%20Density%20functional%20theory" rel="nofollow"> Density functional theory </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&value=%20ab-initio%20molecular%20dynamics" rel="nofollow"> ab-initio molecular dynamics </a> </span> </div> <ul> <li> <b> 来自: </b> 李俊炜 </li> <li> <b> 分类: </b> <a href="https://chinaxiv.org/user/search.htm?field=domain&value=608" rel="nofollow"> 核科学技术 </a> >> <a href="https://chinaxiv.org/user/search.htm?field=subject&value=613" rel="nofollow"> 核材料与工艺技术 </a> </li> <li> <b> 投稿状态: </b> <a rel="nofollow"> 未投稿 </a> </li> <li> <b> 引用: </b> <a href="https://chinaxiv.org/abs/202308.00194" rel="nofollow"> <font color="#0000FF"> ChinaXiv:202308.00194 </font> </a> (或此版本 <a href="https://chinaxiv.org/abs/202308.00194v1" rel="nofollow"> <font color="#0000FF"> ChinaXiv:202308.00194V1 </font> </a> ) <br /> <a style="margin-left:45px;" rel="nofollow"> doi:10.12074/202308.00194 </a> <br /> <a href="https://www.cstr.cn/CSTR:32003.36.ChinaXiv.202308.00194.V1" style="margin-left:45px;" rel="nofollow"> <font color="#0000FF"> CSTR:32003.36.ChinaXiv.202308.00194.V1 </font> </a> </li> <li> <b> 推荐引用方式: </b> <span> Li, Junwei,Jia Wei-min,Liu Chong,Lv Sha-Sha,Wang Jin-tao,Li Zheng-cao.(2023).Static and dynamic evolution of CO adsorption on γ-U (1 0 0) surface with different levels of Mo doping using DFT and AIMD calculations.中国科学院科技论文预发布平台.[ChinaXiv:202308.00194] </span> </li> </ul> </div> <div class="ft"> <h4> <span> 版本历史 </span> </h4> <table style="font-size:14px;"> <tr> <td> <b> [V1] </b> </td> <td> 2023-08-14 13:23:18 </td> <td> ChinaXiv:202308.00194V1 </td> <td> <a class="btn" href="https://chinaxiv.org/user/download.htm?id=55653" rel="nofollow"> 下载全文 </a> </td> </tr> </table> </div> </div>
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