{"title":"First-principles study on the electronic structure and photocatalytic properties of transition metal(Fe,Co,Ni) and N co-doped graphene-like ZnO monolayer","authors":"Yi Liu , Shuai Feng , Jiangang Yu","doi":"10.1016/j.ssc.2025.116037","DOIUrl":"10.1016/j.ssc.2025.116037","url":null,"abstract":"<div><div>We have systematically investigated the electronic structure, magnetic properties, and photocatalytic properties of transition metal(TM = Fe, Co, Ni) and N codoped ZnO monolayer using density functional theory(DFT). All co-doping ZnO monolayer systems exhibit ferromagnetism. The magnetic moment of the co-doping systems mainly comes from the d orbital of the TM elements and the d-p orbital hybridization between the TM elements and the surrounding non-metal atom. The work functions have been further reduced by TM(Fe, Co, Ni) doping. The band edge positions <em>E</em><sub>CBM</sub> and <em>E</em><sub>VBM</sub> are all higher and lower than the oxidation-reduction potential of water at both pH = 0 and pH = 7, respectively. The absorption spectra have a red shift by TM(Fe, Co, Ni) mono- and co-doped. The <em>E</em><sub>CBM</sub> and <em>E</em><sub>VBM</sub> of Co mono-doped and Co/N codoped systems are closer to the standard redox potentials, which is expected to further improve the catalytic efficiency of the material for water splitting. The results demonstrate that the doped ZnO monolayer system is a promising spin electron device and photocatalytic catalyst for water splitting.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116037"},"PeriodicalIF":2.1,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144254774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ruba Zahi Theeb Al-Gharabah , A. Samih , R. El Fdil , Mohammed S. Abu-Jafar , Mahmoud Farout , E. Salmani , Z. Fadil , Chaitany Jayprakash Raorane , Fohad Mabood Husain , Ahmad A. Mousa
{"title":"First-principles investigation of structural, electronic, magnetic, elastic, and thermodynamic properties of Sc2ZrAl full-Heusler alloy","authors":"Ruba Zahi Theeb Al-Gharabah , A. Samih , R. El Fdil , Mohammed S. Abu-Jafar , Mahmoud Farout , E. Salmani , Z. Fadil , Chaitany Jayprakash Raorane , Fohad Mabood Husain , Ahmad A. Mousa","doi":"10.1016/j.ssc.2025.116034","DOIUrl":"10.1016/j.ssc.2025.116034","url":null,"abstract":"<div><div>DFT-based first-principles simulations are performed to analyze the Sc<sub>2</sub>ZrAl full-Heusler alloy. Structural analysis confirms the stability of both the normal and inverse configurations, with slight variations in the lattice parameters. Electronic structure calculations show a metallic character with significant spin polarization (up to 16.42 % with SCAN) in the normal phase, making it a strong candidate for spintronic applications. Magnetic analysis shows a total magnetic moment of 3.15 μB (SCAN) in the normal structure and a resurgence of magnetization in the inverse phase (2.82 μB) under GGA + U. The alloy exhibits mechanical stability with a high bulk modulus (80.22 GPa) and a ductile nature. Thermodynamic analysis shows that the entropy and specific heat increase with temperature and the free energy is negative, indicating a favorable thermal behavior. Ab initio molecular dynamics simulations confirm the thermal stability up to 900 K. These results point to promising applications in magnetic, spintronic, and energy-related technologies.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116034"},"PeriodicalIF":2.1,"publicationDate":"2025-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144239377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Spin-dependent transport in vacancy-defected carbon nanotubes with metal atom doping","authors":"G.R. Berdiyorov, H. Hamoudi","doi":"10.1016/j.ssc.2025.116007","DOIUrl":"10.1016/j.ssc.2025.116007","url":null,"abstract":"<div><div>Spin-polarized quantum transport calculations are conducted for metallic carbon nanotubes (CNTs) containing a single vacancy defect terminated either by unsaturated carbon atoms or by pyridinic nitrogen atoms. The conductivity of the system with pyridinic nitrogen is consistently higher than that of CNTs with reconstructed vacancy defects. The influence of metal atoms on the transport properties of CNTs strongly varies depending on the nature of the vacancy defect: while metal atoms increase conductivity in carbon-terminated defects, they lead to reduced conductivity in pyridinic defects. The pyridinic system also exhibits an enhanced spin dependency in charge transport, which could be advantageous for exploiting spintronic nanodevices.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116007"},"PeriodicalIF":2.1,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144306701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Itsuki Kasai , Itsuki Takagi , Kazutaka G. Nakamura
{"title":"Phonon dynamics of a bulk WSe2 crystal excited by ultrashort near-infrared pulses","authors":"Itsuki Kasai , Itsuki Takagi , Kazutaka G. Nakamura","doi":"10.1016/j.ssc.2025.116002","DOIUrl":"10.1016/j.ssc.2025.116002","url":null,"abstract":"<div><div>Pump–probe reflectivity measurements have been performed on a single crystal of tungsten diselenide (WSe<span><math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math></span>) using ultrashort near–infrared pulses. The behavior is well reproduced in simulations superimposing three oscillations (7.45, 7.49 and 7.7 THz) with different phases. The Fourier transform spectrum features small peaks at 4.0 and 11.5 THz along with intense peaks at around 7.5 THz.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116002"},"PeriodicalIF":2.1,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144254775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Relationship between the shear modulus and defect-induced structural relaxation of high-entropy metallic glasses","authors":"A.S. Makarov , E.V. Goncharova , J.C. Qiao , R.A. Konchakov , V.A. Khonik","doi":"10.1016/j.ssc.2025.116008","DOIUrl":"10.1016/j.ssc.2025.116008","url":null,"abstract":"<div><div>We performed high-precision measurements of the high-frequency (0.5 MHz) shear modulus of seven high-entropy metallic glasses (HEMGs) (mixing entropy <span><math><mrow><mn>1</mn><mo>.</mo><mn>42</mn><mo>≤</mo><mi>Δ</mi><msub><mrow><mi>S</mi></mrow><mrow><mi>m</mi><mi>i</mi><mi>x</mi></mrow></msub><mo>/</mo><mi>R</mi><mo>≤</mo><mn>1</mn><mo>.</mo><mn>77</mn></mrow></math></span>) in the initial, relaxed and crystalline states in a wide temperature range. It is shown that the shear modulus of HEMGs is intrinsically related with the evolution of the system of defects responsible for structural relaxation. In the absence of structural relaxation, temperature coefficient of the shear modulus of glass equals to that of the counterpart crystal. All found regularities are governed by a single equation, which establishes a relationship between the shear moduli of glass and crystal.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116008"},"PeriodicalIF":2.1,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144239306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hussein A.K. Kyhoiesh , Karrar H. Salem , Riyam A. Hasan , Sammir H. Mohammed , Ahmed A. Al-Kubaisi , Ashraf Y. Elnaggar , Islam H. El Azab , Mohamed H.H. Mahmoud
{"title":"Predicting the glass transition temperature of norfullerene acceptor dyes by ensemble machine learning approach from their data driven approaches","authors":"Hussein A.K. Kyhoiesh , Karrar H. Salem , Riyam A. Hasan , Sammir H. Mohammed , Ahmed A. Al-Kubaisi , Ashraf Y. Elnaggar , Islam H. El Azab , Mohamed H.H. Mahmoud","doi":"10.1016/j.ssc.2025.116022","DOIUrl":"10.1016/j.ssc.2025.116022","url":null,"abstract":"<div><div>Accurate prediction of the glass transition temperature (Tg) of norfullerene acceptor dyes (NFAs) is crucial for their application in organic photovoltaic devices, as it significantly affects their stability and performance. In this study, we employed an ensemble machine learning approach to predict the Tg of (NFAs) using data-driven descriptors. Specifically, random forest models with varying tree numbers (100, 200, 300, …, 1000) were built, and the best results were obtained with models containing 400, 600, 500, and 700 trees. The most influential descriptors contributing to the model's performance were identified as HeavyAtomCount, Chi1, Chi0, LabuteASA, HeavyAtomMolWt, MolWt, ExactMolWt, NumValenceElectrons, MolMR, and Chi0n. Additionally, we evaluated the synthetic accessibility (SA) of the NFAs, which ranged from 0.0 to 0.20. The ability to predict T<sub>g</sub> accurately is vital for NFAs, as it allows for the identification of compounds with optimal thermal stability, ultimately leading to the development of more efficient organic photovoltaic devices<strong>.</strong></div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116022"},"PeriodicalIF":2.1,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144239376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shafaat Hussain Mirza , Naqash Hussain Malik , Muhammad Jawad , Muhammad Faizan , Rashad Al-Salahi , Hatem A. Abuelizz , Amna Parveen
{"title":"Exploring the impact of Cl and Br doping on the key physical properties of CsTaO3 for optoelectronic and thermoelectric applications","authors":"Shafaat Hussain Mirza , Naqash Hussain Malik , Muhammad Jawad , Muhammad Faizan , Rashad Al-Salahi , Hatem A. Abuelizz , Amna Parveen","doi":"10.1016/j.ssc.2025.116033","DOIUrl":"10.1016/j.ssc.2025.116033","url":null,"abstract":"<div><div>First-principles density functional theory (DFT) simulations, implemented by the WIEN2K code, are used to investigate the effects of Cl and Br doping on the host material. Powder X-ray diffraction reveals a shift of diffraction peaks to lower angles, indicative of crystal lattice expansion and changes in the material's lattice features. The molecular dynamics demonstrate constant oscillations over an average value, implying that the whole system is in a condition of thermal equilibrium. Doping Cl and Br with CsTaO<sub>3</sub> induces a metallic nature. The optical properties of CsTaO<sub>3</sub>, CsTaO<sub>3-x</sub>Cl<sub>x</sub>, and CsTaO<sub>3-x</sub>Br<sub>x</sub> have been thoroughly investigated up to the 14 eV energy range. The calculated optical constants reveal that CsTaO<sub>3</sub>, CsTaO<sub>3-x</sub>Cl<sub>x</sub>, and CsTaO<sub>3-x</sub>Br<sub>x</sub> exhibit substantial photon absorption in the ultraviolet domain. The positive Seebeck coefficient value indicates that CsTaO<sub>3</sub> is a p-type semiconductor, but CsTaO<sub>3-x</sub>Cl<sub>x</sub> and CsTaO<sub>3-x</sub>Br<sub>x</sub> exhibits an n-type character. The CsTaO<sub>3</sub>, with a band gap of 2.778 eV, collectively with its doped derivatives CsTaO<sub>3-x</sub>Cl<sub>x</sub> and CsTaO<sub>3-x</sub>Br<sub>x</sub>, are particularly suitable for energy efficient optoelectronic devices.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116033"},"PeriodicalIF":2.1,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144270812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xinyue Zhao , Jiayi Chen , Yingfang Lu , Zhen Wang , Zhenhua Wu , Xiaojing Li
{"title":"Tuning electrical and optical anisotropy of bilayer black phosphorus quantum dots by the twist angle","authors":"Xinyue Zhao , Jiayi Chen , Yingfang Lu , Zhen Wang , Zhenhua Wu , Xiaojing Li","doi":"10.1016/j.ssc.2025.116004","DOIUrl":"10.1016/j.ssc.2025.116004","url":null,"abstract":"<div><div>Black phosphorus (BP), a unique anisotropic 2D material, offers exceptional potential for optoelectronic applications. Here, we explore the electronic and optical properties of twisted bilayer black phosphorus (TBBP) quantum dots using a tight-binding model across four twist angles in AB-stacking configurations. Our study reveals that the twist angle modulates inter-layer coupling, reducing electron localization and altering band structures. Notably, the anisotropic optical transitions between armchair and zigzag directions converge as the twist angle increases. Additionally, external electric fields enable precise tuning of band gaps and optical spectra. These findings highlight twist-angle engineering as a versatile strategy for tailoring BPs properties, paving the way for advanced photonic and electronic devices.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116004"},"PeriodicalIF":2.1,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144230266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"First-principles calculations to investigate structural, magneto-electronic, elastic, thermodynamic, and thermoelectric properties of Co2LuY (Y = Zr, Hf) alloys for potential industrial application","authors":"A. El Galta, R. Masrour","doi":"10.1016/j.ssc.2025.116028","DOIUrl":"10.1016/j.ssc.2025.116028","url":null,"abstract":"<div><div>This study investigates the structural, electronic, magnetic, elastic, thermodynamic, and thermoelectric properties of Co<sub>2</sub>LuZr and Co<sub>2</sub>LuHf alloys using first-principles calculations employing a generalized gradient (GGA), GGA + U and modified Becke-Johnson (mBJ) framework. The results reveal that both compounds are stable in their ferromagnetic phase, with electronic and magnetic characteristics typical of ferromagnetic metals. The estimated magnetic moment values for Co<sub>2</sub>LuZr and Co<sub>2</sub>LuHf are 1.36 μ<sub>B</sub> and 1.30 μ<sub>B</sub>, respectively, aligning with theoretical predictions based on the Slater-Pauling rule. The elastic constants (C<sub>11</sub>, C<sub>12</sub>, and C<sub>44</sub>) satisfy the Born-Huang mechanical stability criteria. Derived elasticity parameters indicate that both materials are mechanically stable, exhibit appreciable ductility, and display low elastic anisotropy. Thermodynamic calculations show that the constant-volume heat capacities, vibrational Debye temperatures, and coefficients of thermal expansion of the alloys increase remarkably with increasing temperature. Thermoelectric calculations indicate that Co<sub>2</sub>LuZr exhibits a higher figure of merit (Z<sub>T</sub>) than Co<sub>2</sub>LuHf across the studied temperature range.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116028"},"PeriodicalIF":2.1,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144262720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Advance in antimony triselenide solar cell power conversion by dye sensitized solar cell integration","authors":"Vikramachari Mudumala, Muni Mounika Parnapalli, Neeraja Adike, Raghavender Mitty","doi":"10.1016/j.ssc.2025.116025","DOIUrl":"10.1016/j.ssc.2025.116025","url":null,"abstract":"<div><div>Tandem solar cell technology attracted intensified research attention due to its potentiality in optimize the power conversion performance. The present study reveals development of poineering tandem antimony selenide solar cells by integrate dye sensitized solar cell. The prepared Sb<sub>2</sub>Se<sub>3</sub> film evidenced bandgap values of 1.07 eV–1.18 eV offers quite suitable for fabricate solar cells. The develop tandem solar cell evidenced higher power conversion effieincy of 11.58 % with champion current density of 28.36 mA/cm<sup>2</sup>, whereas the individual antimony selenide solar cell evidenced 3.12 % efficiency whereas dye sensitized solar cell proved 8.81 %.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"404 ","pages":"Article 116025"},"PeriodicalIF":2.1,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144221740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}