Results 51 to 60 of about 8,762 (118)

Phytogenic‐Assisted Synthesis of ZnO/SnO2 Hybrid Catalyst for Photocatalytic Degradation of Malachite Green

open access: yesNano Select, Volume 7, Issue 2, February 2026.
ABSTRACT Industrial discharge of synthetic dyes like malachite green (MG) poses significant environmental hazards due to their toxicity and persistence. Photocatalytic degradation using semiconductor catalysts offers a sustainable remediation approach, yet efficiency is limited by rapid electron‐hole recombination.
Biniyam Abdu Berehe   +7 more
wiley   +1 more source

Electrochemical processes and systems: application for tutors [PDF]

open access: yes, 1997
The features of redox reactions and the principles of their balancing according to the medium composition are considered. The basic representations about electrochemical processes and systems are outlined. The reactions and principles of chemical sources
Beccard, R.   +5 more
core   +1 more source

Recent Advances and Opportunities in Nanomaterial‐Based Absorption‐Dominant High Green Index Electromagnetic Interference Shields

open access: yesSmall Structures, Volume 7, Issue 2, February 2026.
An in‐depth review of the nanomaterial‐based electromagnetic interference shields, which are absorption‐dominant and have a high green index. The design strategies of absorption‐dominant shields are analyzed, and current challenges and potential pathways to guide future advancements and practical implementation are outlined.
Sanjoy Sur Roy   +3 more
wiley   +1 more source

[[alternative]]Effects of Transition Metal Doping on Mangnese Perovskite Oxides(II) [PDF]

open access: yes
計畫編號:NSC90-2112-M032-009研究期間:200108~200207研究經費:1,391,000[[sponsorship ...
張經霖
core  

Ash-based geopolymers as adsorbents of lanthanides from model solutions [PDF]

open access: yes, 2019
Geopolimeri su anorganski materijali koji uz prisutnost alkalijskih aktivatora i pri niskim temperaturama polimeriziraju i očvrsnu. Svoju primjenu uglavnom nalaze u graditeljstvu, ali sve se više istražuje njihova uloga u zaštiti okoliša.
Galović, Ana
core   +1 more source

Selective Halide Incorporation in P2‐Na0.66Fe1/3Mn2/3O2 Cathodes: Revealing a Compositional Regime for Enhanced Cycling

open access: yesSmall Structures, Volume 7, Issue 2, February 2026.
In this study, anionic substitution with A = F−, Cl−, and Br− of Na0.66Fe1/3Mn2/3O2−xAx (with x < 0.2), which is used as a cathode material in sodium‐ion batteries, was investigated. It was found that 0.02 mol F can be incorporated into NFMO without the formation of secondary phases.
Anna Domgans   +12 more
wiley   +1 more source

Disappearance of peculiarly large atomic displacement in the high‐temperature phase of magnetite with substitution of Fe2+ by Ni2+ and Mn2+

open access: yesActa Crystallographica Section B, Volume 82, Issue 1, Page 98-107, February 2026.
Structures of Fe2.992O4 (magnetite), Fe3–x–yMnx□yO4 (x ≤ 0.980) and Fe3–x–yNix□yO4 (x ≤ 0.513, □ denotes point defects) are examined at room temperature. The observed disappearance of peculiarly large mean‐square displacement at the B site along the 3 axis in [111] is interpreted as a disappearance of phonons interact with electrons in the high ...
Takumi Kitamura   +2 more
wiley   +1 more source

Mo Isotopic Records Imply Persistent Ocean Oxygenation in the Deep Southwest Pacific During the Early Cenozoic Warming Period

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract During the early Cenozoic greenhouse period, counterintuitive contractions in tropical Pacific oxygen‐deficient zones have been linked to enhanced deep‐ocean ventilation, yet direct geological evidence remains limited. Here we present molybdenum (Mo) isotopic records from International Ocean Discovery Program Site U1509.
Xiaowen Liu   +8 more
wiley   +1 more source

Unraveling the Structure and Bonding Evolution of the Newly Discovered Iron Oxide FeO2

open access: yes, 2018
Recently reported synthesis of FeO2 at high pressure has stimulated great interest in exploring this new iron oxide and elucidating its properties.
Amsler, Maximilian   +2 more
core   +1 more source

Study on the Effect of Mno2 as Sintering Additive in Structural, Magnetic and Electrical Properties of Solid-State Derived Ni0.8Zn0.2Fe2O4 [PDF]

open access: yes, 2015
Ni-Zn ferrites have been synthesized with varying MnO2 as sintering aid as well as enhancer in magnetic property. The influence of MnO2 additive on the properties of Ni-Zn ferrites was studied by the conventional ceramic method (solid oxide mixing ...
Sharma, Vivek
core  

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