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Surfaces, Volume 8, Issue 4

2025 December - 23 articles

Cover Story: The superior chemical–physical properties of diamond make it one of the most investigated materials in materials research. In particular, the chemical inertness allows operation under harsh external conditions. Diamond is also a good electron emitter (low electron affinity), which makes it attractive for the production of cathodes used in nuclear physics and aerospace applications. This work focuses on CVD diamond films grown on Mo substrates with different roughness. The study is motivated by the need to overcome the poor adhesion of diamond films on smooth Mo substrates in order to ensure their effective application as neutralizer cathodes for aerospace propulsion. Poor adhesion of diamond films on Mo is addressed by roughening the Mo surface, which enhances mechanical stability and reduces residual stress in the diamond films. View this paper
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Articles (23)

  • Article
  • Open Access
569 Views
29 Pages

17 December 2025

Mild steel readily corrodes in acidic environments, and most industrial corrosion inhibitors are synthetic, often toxic, and environmentally harmful. In this study, electrocatalytically active Cd–Cs mixed oxide nanocomposites were synthesized v...

  • Article
  • Open Access
593 Views
13 Pages

Comparative Study on Cation Adsorption and Thermodynamic Characteristics of Clay Minerals in Electrolyte Solutions

  • Jiazhong Wu,
  • Heshu Hu,
  • Shuke Zhao,
  • Yisong Li,
  • Kun Zhao,
  • Minghui Zhang and
  • Bin Ding

15 December 2025

The interaction between clay minerals and electrolyte solutions critically affects waterflooding efficiency in enhanced oil recovery (EOR). This study systematically investigated the adsorption and thermodynamic properties of montmorillonite, illite,...

  • Article
  • Open Access
774 Views
15 Pages

The Effect of Co/TiN Interfaces on Co Interconnect Resistivity

  • Poyen Shen,
  • Sanzida Rahman,
  • Daniel M. Syracuse and
  • Daniel Gall

13 December 2025

Electron transport measurements on Co/TiN multilayers are employed to explore the effect of TiN layers on Co resistivity. For this, 50 nm thick multilayer stacks containing N = 1–10 individual Co layers that are separated by 1 nm thick TiN laye...

  • Article
  • Open Access
762 Views
19 Pages

Balancing Hydrophobicity and Water-Vapor Transmission in Sol–Silicate Coatings Modified with Colloidal SiO2 and Silane Additives

  • Dana Němcová,
  • Klára Kobetičová,
  • Petra Tichá,
  • Ivana Burianová,
  • Dana Koňáková,
  • Pavel Kejzlar and
  • Martin Böhm

29 November 2025

This study investigates the optimization of sol–silicate façade coatings modified with colloidal silica and a silane-based hydrophobizing additive to enhance hydrophobicity while maintaining a high water-vapor transmission rate (V). The...

  • Article
  • Open Access
840 Views
21 Pages

Engineering Porous Biochar for Electrochemical Energy Storage

  • Cheikh Ahmadou Bamba Diop,
  • Déthié Faye,
  • Momath Lo,
  • Dahbia Bakiri,
  • Huifeng Wang,
  • Mohamed El Garah,
  • Vaishali Sharma,
  • Aman Mahajan,
  • Mohamed Jouini and
  • Mohamed M. Chehimi
  • + 1 author

28 November 2025

In recent years, porous carbon-based materials have demonstrated their potential as electrode materials, particularly as supercapacitors for energy storage. The specific capacitance of a carbon-based material is strongly influenced by its porosity. H...

  • Article
  • Open Access
405 Views
10 Pages

28 November 2025

It is recognized that the ionization state of amphipathic molecules can affect the curvature and arrangement of the supramolecular structure of which they are a part due to changes in their shape and interactions with neighboring molecules. The pKa i...

  • Article
  • Open Access
659 Views
19 Pages

Impact of Mo Substrate Roughness on the Stability and Properties of Diamond Films for Aerospace Applications

  • Luciano Velardi,
  • Grazia Cicala,
  • Antonio Della Torre,
  • Luca Nunzio Francioso and
  • Maria Assunta Signore

26 November 2025

This study deals with diamond films grown via the microwave plasma-enhanced chemical vapor deposition technique (MWPECVD) on molybdenum (Mo) substrates of different roughness. This work is motivated by the necessity of overcoming the poor adhesion of...

  • Article
  • Open Access
400 Views
11 Pages

Rapid Detection of Hexaconazole in Kiwifruit Using Surface-Enhanced Raman Spectroscopy (SERS) Technology

  • Quanping Diao,
  • Liyang Sun,
  • Linlin Lv,
  • Tiechun Li,
  • Jiaqi Pan and
  • Weiwei Luo

25 November 2025

Hexaconazole, a triazole-class fungicide, demonstrates broad-spectrum protective and therapeutic activity against fungal pathogens, particularly those from Basidiomycota and Ascomycota, such as brown spot and powdery mildew. Despite its efficacy in c...

  • Article
  • Open Access
641 Views
20 Pages

Post-Annealing Effect on the Physicochemical Properties of Sn-Te-O Thin Films

  • Hee-Seung Yoon,
  • Jihyeon Lee,
  • Juyun Park and
  • Yong-Cheol Kang

21 November 2025

This study explores how post-deposition thermal annealing alters the structural, morphological, and electronic properties of Sn–Te–O thin films grown by radio-frequency magnetron co-sputtering. Thin films were annealed at temperatures ran...

  • Article
  • Open Access
646 Views
18 Pages

17 November 2025

Resistance spot welding of aluminum alloys causes the electrode materials to degrade rapidly. This is due to diffusion processes occurring between the sheet materials and the copper electrodes at process temperatures of up to 600 °C. This signifi...

  • Article
  • Open Access
539 Views
11 Pages

Nylon Powder Composites with High Leveling Property and Toughness Prepared via Filler-Modified Method

  • Si-Ao Xin,
  • Yanxiang Wang,
  • Shanshan Xu,
  • Yanying Zhu,
  • Ziyi Xu,
  • Yanru Yuan,
  • Dong Zhang,
  • Yingfan Li and
  • Shaoao Hu

13 November 2025

Powder coating, as a promising coating material, has attracted widespread attention due to its convenient construction and being a green option, promoting environmental protection. However, the existence of defects such as insufficient leveling and p...

  • Article
  • Open Access
717 Views
18 Pages

Development of a Colorimetric Polydiacetylene, Solid-Substrate Sensor for SARS-CoV-2 Detection in Human Saliva

  • Christopher T. Stueber,
  • Timothy W. Hanks,
  • Paul L. Dawson,
  • Julie K. Northcutt,
  • William T. Pennington and
  • Belinda Cochran

11 November 2025

The SARS-CoV-2 pandemic caused tremendous loss of life and long-term health effects for many. The virus continues to evolve, and new variants have the potential to cause widespread physical and economic impacts. Long-chain carboxylic acids featuring...

  • Article
  • Open Access
448 Views
13 Pages

31 October 2025

M50 steel is a critical bearing material, yet its tribological properties may deteriorate in engineering applications. To reduce the frictional resistance between M50 steel and contact surfaces, this study utilized laser processing technology to fabr...

  • Article
  • Open Access
636 Views
27 Pages

30 October 2025

The Ti6Al4V alloy is considered the most beneficial of the titanium alloys for use in biomedical applications. However, it corrodes when exposed to various biocompatible fluids. This investigation aims to evaluate the corrosion inhibition performance...

  • Article
  • Open Access
997 Views
24 Pages

Theoretical Study of the Adsorption of Li2S and Li2S2 Molecules on Multivacancy Defected Graphene

  • Francisco Gaztañaga,
  • Rubén E. Ambrusi,
  • Alfredo Juan and
  • Graciela P. Brizuela

29 October 2025

A theoretical study of the adsorption of lithium–sulfur molecules (Li2S and Li2S2) on graphene with three and four vacancies was conducted. The study analyzed the stability, adsorption geometry, electronic structure, charge distribution, and fo...

  • Article
  • Open Access
801 Views
15 Pages

Ion-Type Irradiation Effect on Optical, Structural, and Morphological Properties of ZnO Thin Films

  • Alejandra López-Suárez,
  • Dwight R. Acosta,
  • Juan López-Patiño and
  • Beatriz E. Fuentes

24 October 2025

ZnO thin films were deposited on soda–lime glass substrates using the chemical spray pyrolysis method at a temperature of 500 °C. After the deposition, the substrates were irradiated with 10 keV H+ and Ar+ ions using a Colutron ion gun. We...

  • Article
  • Open Access
830 Views
15 Pages

24 October 2025

The formation of atomically flat Si(111)–H surfaces was critical for molecular electronics, nanoscale device fabrication, and surface chemistry studies. We systematically investigated how initial oxide composition and dissolved oxygen affected...

  • Article
  • Open Access
3,173 Views
16 Pages

Adjustable Capillary Forces Through Wetting State Changes in Liquid Bridges: Regulation via Trapezoidal Microstructures

  • Yanlian Liu,
  • Xueli Chen,
  • Yu Wang,
  • Guannan Lei,
  • Junsheng Zhao,
  • Taiyang Li,
  • Liyang Huang and
  • Bo Zhang

12 October 2025

A detailed understanding of the mechanistic role of solid surface microstructures in modulating capillary forces and liquid transport in liquid bridge systems is crucial, for liquid bridges between rough surfaces are omnipresent in nature and various...

  • Article
  • Open Access
1,333 Views
14 Pages

11 October 2025

The present study aimed to evaluate the antifouling efficacy of Piper betle leaf extracts as a bioactive additive for eco-friendly antifouling coatings. The composition of P. betle extract was determined and analyzed. Phytochemical analysis revealed...

  • Article
  • Open Access
953 Views
17 Pages

Exploring Electromagnetic Density of States Near Plasmonic Material Interfaces

  • Rodolfo Cortés-Martínez,
  • Ricardo Téllez-Limón,
  • Cesar E. Garcia-Ortiz,
  • Benjamín R. Jaramillo-Ávila and
  • Gabriel A. Galaviz-Mosqueda

10 October 2025

The electromagnetic density of states (EM-DOS) plays a crucial role in understanding light–matter interactions, especially at metal–dielectric interfaces. This study explores the impact of interface geometry, material properties, and nano...

  • Article
  • Open Access
1 Citations
1,256 Views
36 Pages

Removal of Diclofenac from Aqueous Solutions Using Surfactant-Modified Guava Seeds as Biosorbent

  • Iris Coria-Zamudio,
  • Adriana Vázquez-Guerrero,
  • Gabriela Elizabeth Tapia-Quiroz,
  • Selene Anaid Valencia-Leal,
  • Jaime Espino-Valencia,
  • Ruth Alfaro-Cuevas-Villanueva and
  • Raúl Cortés-Martínez

26 September 2025

The persistent pharmaceutical diclofenac (DCF) presents a significant environmental challenge due to its widespread presence and biological activity in water systems. This study aimed to develop and characterize a novel, low-cost biosorbent by modify...

  • Article
  • Open Access
1,530 Views
15 Pages

23 September 2025

The selective oxidation of methane to methanol under mild conditions remains a significant challenge due to its stable C-H bond and the propensity for overoxidation of products. Herein, we investigated the Fe- and Cu-modified ZSM-5 catalysts using H2...

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Surfaces - ISSN 2571-9637