Bijal R. Mehta , Esha V. Shah , Sutapa Mondal Roy , Debesh R. Roy
{"title":"(MgO)42 nanocluster: A UV active magic cluster in the (MgO)6n (n = 1–9) series under DFT investigation","authors":"Bijal R. Mehta , Esha V. Shah , Sutapa Mondal Roy , Debesh R. Roy","doi":"10.1016/j.ssc.2024.115783","DOIUrl":"10.1016/j.ssc.2024.115783","url":null,"abstract":"<div><div>This study employs density functional theory (DFT) to investigate the electronic and optical properties of alkaline-earth magnesium oxide nanocluster series, namely (MgO)<sub>6n</sub> (n = 1 to 9). As the number of (MgO)<sub>6</sub> nanocluster unit increases in the (MgO)<sub>6n</sub> series, the electronic and optical behavior attributes a striking zigzag pattern. The analysis of energy gain in these clusters reveal a notably stable ‘magic’ nanocluster, namely, (MgO)<sub>42</sub>. Additionally, our findings uncover UV-B active optical transitions in the (MgO)<sub>42</sub> magic nanocluster, suggesting its promising potential for possible applications in optoelectronics. Further, the analysis of infrared spectra of the (MgO)<sub>42</sub> magic nanocluster, combined with electronic properties by cluster simulation, provides novel insights into its prospective synthesis. The promising properties of ultra-violet B active (MgO)<sub>42</sub> nanocluster may further be explored for its low-dimensional customized assembled materials. Overall, the present study advances the fundamental understanding of sub-nanoscale MgO clusters, facilitating tailored design and versatile application across various technological domains.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"396 ","pages":"Article 115783"},"PeriodicalIF":2.1,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142759062","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}
Yicheng Wang , Wenjun Yang , Xing Xu , Yalan Tan , Tiefeng Yang , Gangyu Liu , Dachen Yang , Yalin Li , Yipeng Zhao , Honglai Li , Liang Ma , Binbin Xiao , Weichang Zhou
{"title":"Rectified electrical transport and self-powered photoresponse in ZnTe/WS2 heterostructures","authors":"Yicheng Wang , Wenjun Yang , Xing Xu , Yalan Tan , Tiefeng Yang , Gangyu Liu , Dachen Yang , Yalin Li , Yipeng Zhao , Honglai Li , Liang Ma , Binbin Xiao , Weichang Zhou","doi":"10.1016/j.ssc.2024.115782","DOIUrl":"10.1016/j.ssc.2024.115782","url":null,"abstract":"<div><div>Semiconductor heterostructures have attracted widespread attention due to their applications in light-emitting diodes, solar cells, and photodetectors. In this work, a novel heterostructure consisting of ZnTe nanobelt and WS<sub>2</sub> monolayer nanosheet was constructed by combining physical transfer with vapor deposition routes. The <em>I-V</em> curve of ZnTe/WS<sub>2</sub> heterostructure device displays a rectification ratio of approximately 50, which can be attributed to the formation of PN junction. The derived photovoltaic effect enables self-powered photodetection. Additionally, light imaging measurements show that the achieved ZnTe/WS<sub>2</sub> Photodetectors have good imaging capabilities under 405 nm light irradiation. These results reveal that such ZnTe/WS<sub>2</sub> heterostructures are excellent candidates for optoelectronic applications.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"397 ","pages":"Article 115782"},"PeriodicalIF":2.1,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143128949","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":"Structural stability and high-temperature thermoelectric performance of LiYPdSn quaternary heusler compound","authors":"Jaspal Singh , Kulwinder Kaur , Megha Goyal , Yuhit Gupta , Aadil Fayaz Wani , Tavneet Kaur","doi":"10.1016/j.ssc.2024.115784","DOIUrl":"10.1016/j.ssc.2024.115784","url":null,"abstract":"<div><div>In this research work, the electronic, mechanical, and thermoelectric properties of the recently discovered Li-based quaternary Heusler compound i.e. LiYPdSn are explored with the help of density functional theory and the Boltzmann transport equations. The LiYPdSn alloy has an indirect band gap of 0.41 eV that confirming its p-type semiconducting features. This material shows the mechanical and dynamical stability along with a maximum recorded ZT (Figure of Merit) of 0.52 at 1200K. The electrical conductivity i.e. ease of electric propagation is calculated as 4.43 × 10<sup>6</sup> Ω<sup>−1</sup> m<sup>−1</sup> at 600K for the p-type doping region, while in the n-type doping region, the maximum recorded value is 2.8 × 10<sup>6</sup> Ω<sup>−1</sup> m<sup>−1</sup>, similarly the leading thermoelectric performance i.e. Seebeck coefficient with a maximum value of 531.14 μV/K at 300K, declaring that its properties are awaking the interesting research perspective in future. The paper seems to be an outlet of various research properties and announces the presenting material to have valuable thermoelectric performance and hence the potential applications to manufacture the wired or rolled structural thermoelectric modules in the high-temperature regions.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"397 ","pages":"Article 115784"},"PeriodicalIF":2.1,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143129119","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":"Synthesis and optimization of cubic shaped magnetite nanoparticles by one-step ultrasound irradiation process","authors":"Md. Nasir Uddin , Shamsun Alam , Harinarayan Das","doi":"10.1016/j.ssc.2024.115772","DOIUrl":"10.1016/j.ssc.2024.115772","url":null,"abstract":"<div><div>An effective and speedy environmentally friendly method of ultrasonic irradiation was developed to synthesize highly crystalline monodisperse magnetite nanocubes with uniform particle size. To synthesize magnetite nanocubes, a cost-effective and non-toxic metal salt (FeSO<sub>4</sub>.7H<sub>2</sub>O) was used as reactant. The study examined the impact of sonication times (30, 45, 75, and 105 min) on particle size and morphology to determine the optimal duration and also compared significant properties of the Fe<sub>3</sub>O<sub>4</sub> NPs in details. XRD confirmed the cubic spinel structure of magnetite. FTIR elucidated surface absorption characteristics, and UV-spectroscopy determined electronic transitions and indicated a minimum absorption wavelength of 224 nm. EDX provided elemental composition information, while TEM showed that the nanoparticles were most uniform and cubic at 75 min. The size of the Fe<sub>3</sub>O<sub>4</sub> NPs was controlled in the range from 42.13 to 74.87 nm based on the different time periods used in this synthesis process. The magnetization value was found to be particle size dependent which was studied by vibrating sample magnetometer (VSM). A high magnetization value of 48.99 emu/g was obtained for the Fe<sub>3</sub>O<sub>4</sub> NPs sample sonicated for 75 min. The integration of these techniques, along with particle size analysis, enabled a comprehensive understanding of the synthesized nanoparticles and considered them as prospective materials for several applications.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"396 ","pages":"Article 115772"},"PeriodicalIF":2.1,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142759061","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":"Effect of Al doping on the magnetic, magneto-structural, and magnetocaloric properties of Ni-Mn-In Heusler alloys","authors":"Milad Arman , Farzad Shahri , Reza Gholamipour , Sajad Sohrabi","doi":"10.1016/j.ssc.2024.115767","DOIUrl":"10.1016/j.ssc.2024.115767","url":null,"abstract":"<div><div>The present study aimed at investigating the effect of Al doping (0–1.5 at. %) on the magnetic, magneto-structural, and magnetocaloric properties of the Ni<sub>50</sub>Mn<sub>34</sub>In<sub>16</sub> Heusler alloy with diameters of 2 mm prepared using a suction-casting technique. X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), and magnetic force microscopy (MFM) were employed to identify the structure, microstructure, and magnetic domain distribution of the samples. Also, phase transformation behavior was characterized using differential scanning calorimetry (DSC) across a temperature range of 200–350 K. A SQUID Quantum Design MPMS®3 was employed to evaluate the thermo-magnetic properties of the samples during heating and cooling cycles between 175 and 375 K under a constant magnetic field of 2 T. Finally, A cryostat-equipped vibrating sample magnetometer (VSM) was used to analyze the magnetic and magnetocaloric properties around the magneto-structural and magnetic phase transition temperature, up to a magnetic field of 1.75 T. Based on the results obtained, it was shown that doping 0.5 at. % Al increases magnetization, magnetic entropy change (<span><math><mrow><mrow><mo>Δ</mo><msub><mi>S</mi><mi>M</mi></msub></mrow><mo>)</mo></mrow></math></span> and adiabatic temperature change (<span><math><mrow><mrow><mo>Δ</mo><msub><mi>T</mi><mrow><mi>a</mi><mi>d</mi></mrow></msub></mrow><mo>)</mo></mrow></math></span> to 79 emu/g, 3.86 J/kg.K, and 1.14 K respectively, which can be attributed to the pre-martensitic phase transformation. However, by further Al substitution up to 1.5 at. %, the magneto-structural transformation temperatures shift toward higher values, while magnetization, <span><math><mrow><mo>Δ</mo><msub><mi>S</mi><mi>M</mi></msub></mrow></math></span>, and <span><math><mrow><mo>Δ</mo><msub><mi>T</mi><mrow><mi>a</mi><mi>d</mi></mrow></msub></mrow></math></span> decrease.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"396 ","pages":"Article 115767"},"PeriodicalIF":2.1,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747576","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}
Tadeusz Groń , Marcin Fijałkowski , Grażyna Dąbrowska , Elżbieta Filipek , Bogdan Sawicki , Piotr Urbanowicz
{"title":"Magnetic property of CuTa2-xSbxO6","authors":"Tadeusz Groń , Marcin Fijałkowski , Grażyna Dąbrowska , Elżbieta Filipek , Bogdan Sawicki , Piotr Urbanowicz","doi":"10.1016/j.ssc.2024.115768","DOIUrl":"10.1016/j.ssc.2024.115768","url":null,"abstract":"<div><div>An insulating solid solution with the general formula CuTa<sub>2-x</sub>Sb<sub>x</sub>O<sub>6</sub>and a limited range of homogeneity (0 ≤ x ≤ 0.5), synthesized in a high-temperature solid state reaction, was subjected to magnetic studies due to the presence of a temperature-independent contribution to the magnetic susceptibility. For this purpose, the magnetic susceptibility (χ) and the magnetic isotherm (M) were measured. From the temperature dependence of the χT product, the temperature independent Van Vlecks magnetic susceptibility, χ<sub>0</sub>, was estimated. This value was then subtracted from the measured magnetic susceptibility, χ, yielding the magnetic parameters of the solid solution, which were consistent with the tabulated values.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"396 ","pages":"Article 115768"},"PeriodicalIF":2.1,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142759063","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":"The effects of Cobalt doping on the structural, electronic, magnetic, and thermodynamic characteristics of the L10-FeNi alloy: First-principle calculations","authors":"Zineb Zine , Nassima Meftah , Bahmed Daoudi , Faical chemam","doi":"10.1016/j.ssc.2024.115769","DOIUrl":"10.1016/j.ssc.2024.115769","url":null,"abstract":"<div><div>This study conducts a computational analysis employing density functional theory (DFT) to investigate the effects of Cobalt doping as substitutional defects on the structural, electronic, magnetic, and thermodynamic characteristics of the L <span><math><mrow><msub><mn>1</mn><mn>0</mn></msub><mo>−</mo></mrow></math></span> FeNi alloy. The aim of this study was to explore their potential applications as alternatives to rare-earth permanent magnets. Two types of substitutional Co-doping (O<sub>Ni</sub>/O<sub>Fe</sub>) in the Ni/Fe-site of the parent alloy have been investigated. The computed formation energy indicates that the incorporation of cobalt defects increases the structural stability of tetragonally distorted L<sub>10</sub>FeNi via Co-doping. The results we obtained demonstrate that the FeNi:Co (O<sub>Ni</sub>) in the L<sub>10</sub>-structure has a large enhancement in magnetic moments and saturation magnetization (M<sub>s</sub>), whereas for the FeNi:Co (O<sub>Fe</sub>), has a small reduction in M<sub>s</sub>. Furthermore, reducing the concentration of cobalt in L<sub>10</sub> FeNi:Co alloys is advantageous in diminishing the volumetric thermal expansion coefficient, consequently lowering the Debye temperature and weakening atom interactions. Therefore, Co-substituted FeNi alloys hold promise as potential candidates for rare-earth-free permanent magnets.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"396 ","pages":"Article 115769"},"PeriodicalIF":2.1,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747453","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":"Gamma-ray induced luminescence from diamonds","authors":"Toshihiro Nakamura , Tomoaki Nishimura , Kazuo Kuriyama , Tohru Nakamura , Atsushi Kinomura","doi":"10.1016/j.ssc.2024.115770","DOIUrl":"10.1016/j.ssc.2024.115770","url":null,"abstract":"<div><div>Gamma-ray induced luminescence from various types of diamonds is investigated at room temperature. The diamonds are irradiated with gamma-ray of 1.17 and 1.33 MeV from a cobalt-60 source. The luminescence from micron-sized and bulk diamonds is observed with a peak at around 525 nm in the range from 400 nm to 850 nm. The main peak is attributed to the Ni related S center. For nano-sized diamond, the luminescence peak consisting of emission bands at 410 and 450 nm appears due to dislocation A-band and ND1 center. Observed luminescence suggests the possibility of the extended red emission in the 550–900 nm range from diamond dust induced by the electromagnetic waves such as gamma rays in outer space.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"396 ","pages":"Article 115770"},"PeriodicalIF":2.1,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756923","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}
K. Walczyk , G. Krasucki , K. Olkowska-Pucko , Z. Chen , T. Taniguchi , K. Watanabe , A. Babiński , M. Koperski , M.R. Molas , N. Zawadzka
{"title":"Optical response of WSe2-based vertical tunneling junction","authors":"K. Walczyk , G. Krasucki , K. Olkowska-Pucko , Z. Chen , T. Taniguchi , K. Watanabe , A. Babiński , M. Koperski , M.R. Molas , N. Zawadzka","doi":"10.1016/j.ssc.2024.115756","DOIUrl":"10.1016/j.ssc.2024.115756","url":null,"abstract":"<div><div>Layered materials have attracted significant interest because of their unique properties. Van der Waals heterostructures based on transition-metal dichalcogenides have been extensively studied because of potential optoelectronic applications. We investigate the optical response of a light-emitting tunneling structure based on a WSe<sub>2</sub> monolayer as an active emission material using the photoluminescence (PL) and electroluminescence (EL) experiments performed at low temperature of 5 K. We found that the application of the bias voltage allows us to change both a sign and a value of free carriers concentrations. Consequently, we address the several excitonic complexes emerging in PL spectra under applied bias voltage. The EL signal was also detected and ascribed to the emission in a high-carrier-concentration regime. The results show that the excitation mechanisms in the PL and EL are different, resulting in various emissions in both types of experimental techniques.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"396 ","pages":"Article 115756"},"PeriodicalIF":2.1,"publicationDate":"2024-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142723641","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":"Inspecting the structural stability, magneto-opto-electronic, and transport characteristics of half-metallic ferromagnets double perovskite oxide (Sr2MoSbO6): A DFT study","authors":"Nazia Iram , Dalia Fouad , Ramesh Sharma , Abhinav Kumar","doi":"10.1016/j.ssc.2024.115763","DOIUrl":"10.1016/j.ssc.2024.115763","url":null,"abstract":"<div><div>The structural, elastic, mechanical, electronic, thermoelectric, and magnetic properties of the double perovskite Sr<sub>2</sub>MoSbO<sub>6</sub> have investigated in this manuscript using Perdew-Burke-Ernzerhof Generalized Gradient Approximation (PBE-GGA) with an enhanced Trans Blaha modified Becke Johnson potential (TB-mBJ) approach. Through electro-magnetic and elastic exploration, we have determined that this compound is semiconductor, ferromagnetic, and brittle. Strong hybridisation between the Mo and Sr-d orbitals was seen in the Density of states (DOS) results, which, according to their relative quantities, supports the two states' ionic nature. The Mo atoms contribute significantly to the overall magnetic moment, which is 3.0 μB in total. The semiconducting nature of Sr<sub>2</sub>MoSbO<sub>6</sub> is confirmed by the calculation of the overall electronic parameters. Calculations of thermodynamic parameters for temperature ranges of 0–1200 K and pressure ranges of roughly 0–30 GPa show good agreement between theoretical and experimental data. The DFT Boltzmann transport equations have been used to compute thermoelectric properties in relation to temperature and chemical potential. The p-type character of Sr<sub>2</sub>MoSbO<sub>6</sub> is identified by positive values of the Seebeck coefficient. The power factor (PF), Seebeck coefficient (S), figure of merit (ZT), electrical conductivity, and lattice thermal conductivity were also calculated. It was discovered that this perovskite had a merit figure that was almost equal to one, a very high Seebeck coefficient, and strong electrical conductivity—all of which are consistent with its semiconductor nature. These findings suggest a substance with a great deal of promise for thermoelectrical uses. The results are taken into consideration for future experiments and may be future candidates for spintronics applications.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"396 ","pages":"Article 115763"},"PeriodicalIF":2.1,"publicationDate":"2024-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747578","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}