You are currently on the new version of our website. Access the old version .

551 Results Found

  • Article
  • Open Access
4 Citations
2,710 Views
12 Pages

A Solid-Solid Phase Transformation of Triclabendazole at High Pressures

  • Imran Ali,
  • Jiequn Tang,
  • Yanqiang Han,
  • Zhiyun Wei,
  • Yongli Zhang and
  • Jinjin Li

21 February 2022

Triclabendazole is an effective medication to treat fascioliasis and paragonimiasis parasitic infections. We implemented a reliable quantum mechanical method which is density functional theory at the level of ωB97XD/6-31G* along with embedded f...

  • Article
  • Open Access
6 Citations
3,789 Views
8 Pages

Low-Temperature Polymorphic Transformation of β-Lactam Antibiotics

  • Hongyuan Luo,
  • Jinyun Liu,
  • Xiao He and
  • Jinjin Li

2 September 2019

Abstract: Polymorphic screening and transformation of molecular crystals are presently popular research areas in pharmaceutical studies. In this study, we developed an ab initio method to examine the structures, spectra, and stabilities of β-lac...

  • Article
  • Open Access
14 Citations
4,489 Views
9 Pages

23 February 2018

The influence of calcination time on the phase transformation and crystallization kinetics of anodized titania nanotube arrays was studied using in-situ isothermal and non-isothermal synchrotron radiation diffraction from room temperature to 900 °C....

  • Article
  • Open Access
12 Citations
9,813 Views
8 Pages

Non-Resonant Magnetoelectric Energy Harvesting Utilizing Phase Transformation in Relaxor Ferroelectric Single Crystals

  • Peter Finkel,
  • Richard Pérez Moyet,
  • Marilyn Wun-Fogle,
  • James Restorff,
  • Jesse Kosior,
  • Margo Staruch,
  • Joseph Stace and
  • Ahmed Amin

30 December 2015

Recent advances in phase transition transduction enabled the design of a non-resonant broadband mechanical energy harvester that is capable of delivering an energy density per cycle up to two orders of magnitude larger than resonant cantilever piezoe...

  • Article
  • Open Access
9 Citations
6,280 Views
9 Pages

It was demonstrated during the past decade that an ultra-short intense laser pulse tightly-focused deep inside a transparent dielectric generates an energy density in excess of several MJ/cm3. Such an energy concentration with extremely high heating...

  • Article
  • Open Access
5 Citations
7,272 Views
13 Pages

19 August 2014

The effect of composition and temperature on the large field behavior of [011]C cut and poled (d32-mode) rhombohedral relaxor ferroelectric 0.24PIN-(1−x)PMN-xPT single crystals was characterized under electromechanical loading and the relative phase...

  • Article
  • Open Access
17 Citations
3,565 Views
16 Pages

28 April 2020

Due to their outstanding mechanical properties and soft magnetic characteristics, cobalt-based metallic glassy alloys have stimulated much interesting research. These metastable ferromagnetic materials possess very small magnetocrystalline anisotropy...

  • Article
  • Open Access
16 Citations
3,435 Views
34 Pages

29 December 2020

A series of linear profiles of the elements of the enamel in human molar teeth were made with the use of an electron microprobe and a Raman microscope. It is postulated that the enamel can be treated as the superposition of variable “overbuilt&...

  • Communication
  • Open Access
102 Citations
7,069 Views
9 Pages

A Novel TiZrHfMoNb High-Entropy Alloy for Solar Thermal Energy Storage

  • Huahai Shen,
  • Jianwei Zhang,
  • Jutao Hu,
  • Jinchao Zhang,
  • Yiwu Mao,
  • Haiyan Xiao,
  • Xiaosong Zhou and
  • Xiaotao Zu

12 February 2019

An equiatomic TiZrHfMoNb high-entropy alloy (HEA) was developed as a solar thermal energy storage material due to its outstanding performance of hydrogen absorption. The TiZrHfMoNb alloy transforms from a body-centered cubic (BCC) structure to a face...

  • Article
  • Open Access
1,589 Views
20 Pages

11 October 2024

Polymorphic transformation is important in chemical industries, in particular, in those involving explosive molecular crystals. However, due to simulating challenges in the rare event method and collective variables, understanding the transformation...

  • Article
  • Open Access
35 Citations
7,653 Views
13 Pages

Non-Isothermal Kinetic Analysis of the Crystallization of Metallic Glasses Using the Master Curve Method

  • Joan Torrens-Serra,
  • Shankar Venkataraman,
  • Mihai Stoica,
  • Uta Kuehn,
  • Stefan Roth and
  • Jürgen Eckert

20 December 2011

The non-isothermal transformation rate curves of metallic glasses are analyzed with the Master Curve method grounded in the Kolmogorov-Johnson-Mehl-Avrami theory. The method is applied to the study of two different metallic glasses determining the ac...

  • Article
  • Open Access
34 Citations
4,525 Views
12 Pages

Enhanced Crystal Stabilities of ε-CL-20 via Core-Shell Structured Energetic Composites

  • Honglei Zhang,
  • Qingjie Jiao,
  • Wanjun Zhao,
  • Xueyong Guo,
  • Dayong Li and
  • Xiaole Sun

12 April 2020

2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (CL-20) is a widely used high-energy explosive for the application of energetic materials. However, the phase transformation from ε-CL-20 to γ-CL-20 restrains its further applic...

  • Article
  • Open Access
5 Citations
2,197 Views
20 Pages

Electronic, Optical, and Vibrational Properties of an AgAlS2 Crystal in a High-Pressure Phase

  • Myron Ya. Rudysh,
  • Anatolii O. Fedorchuk,
  • Mikhail G. Brik,
  • Jurij Grechenkov,
  • Dmitry Bocharov,
  • Sergei Piskunov,
  • Anatoli I. Popov and
  • Michal Piasecki

2 November 2023

The aim of this study is to comprehensively examine the structural composition and properties of the AgAlS2 crystal during its high-pressure phase. This analysis delves into the second coordination environment of the crystal structure and elucidates...

  • Article
  • Open Access
4 Citations
2,836 Views
14 Pages

Structures of a Phosphoryl Derivative of 4-Allyl-2,4-dihydro-3H-1,2,4-triazole-3-thione: An Illustrative Example of Conformational Polymorphism

  • Ivan V. Fedyanin,
  • Aida I. Samigullina,
  • Ivan A. Krutov,
  • Elena L. Gavrilova and
  • Dmitry V. Zakharychev

15 September 2021

Two polymorphic forms of a conformationally flexible molecule, 5-[(Diphenylphosphoryl)methyl]-4-(prop-2-en-1-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione, were obtained by crystallization and characterized by X-ray diffraction analysis and differential...

  • Article
  • Open Access
3 Citations
2,115 Views
12 Pages

8 January 2021

Solid-state phase transformations like crystallization of amorphous alloys can be described by an analytical model incorporating a nucleation index a. However, this model cannot be used to examine isochronal transformations with abrupt changing of en...

  • Article
  • Open Access
2 Citations
3,411 Views
12 Pages

7 September 2022

This work simulates the morphological evolution process of the solidification interface of silicon crystal. Based on the phase field model of single dendrite growth of pure material in a single-phase system, the control equation of the phase field is...

  • Article
  • Open Access
50 Citations
9,773 Views
16 Pages

13 November 2014

The crystal structure of 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaiso-wurtzitane (CL-20) p-xylene solvate, and the solvent effects on the crystal faces of CL-20 were studied through a combined experimental and theoretical method. The properties w...

  • Article
  • Open Access
3 Citations
2,423 Views
28 Pages

The AM-4 Family of Layered Titanosilicates: Single-Crystal-to-Single-Crystal Transformation, Synthesis and Ionic Conductivity

  • Galina O. Kalashnikova,
  • Sergey V. Krivovichev,
  • Victor N. Yakovenchuk,
  • Ekaterina A. Selivanova,
  • Margarita S. Avdontceva,
  • Gregory Yu. Ivanyuk,
  • Yakov A. Pakhomovsky,
  • Darya V. Gryaznova,
  • Natalya A. Kabanova and
  • Taras L. Panikorovskii
  • + 6 authors

25 December 2023

Flexible crystal(水晶) structures, which exhibit(展览) single-crystal(水晶)-to-single-crystal(水晶) (SCSC) transformations(转型), are attracting attention(注意) in many applied aspects: magnetic(磁) switches, catalysis, ferroelectrics and sorption. Acid treatment...

  • Article
  • Open Access
3 Citations
3,047 Views
34 Pages

1 October 2020

This work aims at unraveling the effects of co-crystallization on the optical properties of an N-salicylideneaniline-derived molecular switch transforming between an enol and a keto form. This is achieved by way of a two-step multi-scale method where...

  • Article
  • Open Access
18 Citations
2,969 Views
9 Pages

23 June 2020

This paper presents tests of metallic glass based on Mg72Zn24Ca4 alloy. Metallic glass was made using induction melting and further injection on a rotating copper wheel. A differential scanning calorimeter (DSC) was used to investigate the phase tran...

  • Article
  • Open Access
5 Citations
3,247 Views
11 Pages

18 November 2020

The molecular dynamics (MD) method was used to simulate and calculate the segregation energy and cohesive energy of Cu atoms at the Σ3{111}(110) and Σ3{112}(110) grain boundaries, and the tensile properties of the BCC-Fe crystal, with the...

  • Article
  • Open Access
4 Citations
2,200 Views
21 Pages

External electric fields are an effective tool to induce phase transformations. The crystallization of ionic crystals from solution is a common phase transformation. However, understanding of mechanisms is poor at the molecular level. In this work, w...

  • Feature Paper
  • Article
  • Open Access
10 Citations
2,281 Views
15 Pages

Shape Memory Effect and Superelasticity of [001]-Oriented FeNiCoAlNb Single Crystals Aged under and without Stress

  • Yuriy I. Chumlyakov,
  • Irina V. Kireeva,
  • Zinaida V. Pobedennaya,
  • Philipp Krooß and
  • Thomas Niendorf

10 June 2021

The two-step ageing of Fe-28Ni-17Co-11.5Al-2.5Nb (at.%) single crystals under and without stress, leads to the precipitation of the γ′- and β-phase particles. Research has shown that γ–α′ thermoelastic martensitic transformation (MT), with shape memo...

  • Article
  • Open Access
4 Citations
2,443 Views
10 Pages

17 June 2022

Fe-based metallic glass has wide industrial application due to its unique mechanical behavior and magnetic properties. In the present work, the non-isothermal crystallization kinetics in Fe68Nb6B23Mo3 glassy alloys were investigated by differential s...

  • Article
  • Open Access
2,025 Views
17 Pages

4 October 2024

Two ethanol-solvated adipate and succinate salts of carvedilol (CVD), a Biopharmaceutics Classification System class 2 drug, were synthesized by crystallizing ethanol with adipic acid (ADP) and succinic acid (SUA). Proton transfer from ADP and SUA to...

  • Article
  • Open Access
8 Citations
4,001 Views
15 Pages

Effect of Bubbles on Crystallization Behavior of CaO–SiO2 Based Slags

  • Shaopeng Gu,
  • Guanghua Wen,
  • Zequan Ding,
  • Junli Guo,
  • Ping Tang and
  • Qiang Liu

7 February 2019

Surface longitudinal cracks are a serious problem and particularly prevalent in the casting of peritectic steel (carbon content between 0.10%C and 0.18%C, non-alloyed). It is usually alleviated by controlling the horizontal heat transfer from the ste...

  • Article
  • Open Access
2 Citations
1,875 Views
26 Pages

4 January 2025

The particle size-dependent processes of structural relaxation and crystal growth in amorphous nifedipine were studied by means of non-isothermal differential scanning calorimetry (DSC) and Raman microscopy. The enthalpy relaxation was described in t...

  • Article
  • Open Access
1,327 Views
19 Pages

An external electric field is an effective tool to induce the polymorphic transformation of molecular crystals, which is important practically in the chemical, material, and energy storage industries. However, the understanding of this mechanism is p...

  • Article
  • Open Access
689 Views
23 Pages

Investigation on Non-Isothermal Crystallization Kinetics of Polyethylene Terephthalate-Polyethylene Naphthalate Blends

  • Qianqian Liang,
  • Kexin Wang,
  • Yong Jiang,
  • Guilin Li,
  • Feng Yang,
  • Ya Cao and
  • Ming Xiang

29 October 2025

This study aimed to solve two problems of polyethylene terephthalate (PET) films, namely, their slow crystallization rate and insufficient thermal stability, by using polyethylene naphthalate (PEN) as a modifier to prepare PET-PEN blends with varying...

  • Article
  • Open Access
4 Citations
3,517 Views
13 Pages

Multi-mJ Scaling of 5-Optical Cycle, 3 µm OPCPA

  • Joana Alves,
  • Hugo Pires,
  • Celso P. João and
  • Gonçalo Figueira

9 November 2021

We present the design of an ultrafast optical parametric chirped pulse amplifier (OPCPA) operating at 3 µm yielding few-cycle pulses and multi-mJ output energy. This design demonstrates that with a configuration of a single crystal or combination of...

  • Article
  • Open Access
3 Citations
3,023 Views
14 Pages

Spontaneous Symmetry-Breaking in the Corrosion Transformation of Ancient Bronzes

  • Yanpeng Yang,
  • Xiaojuan Cao,
  • Yang Li,
  • Zhongchi Wang,
  • Bingjie Li,
  • Xudong Jiang,
  • Junji Jia and
  • Chunxu Pan

24 July 2020

In general, during long-term museum conservation, ancient bronzes will generate new corrosion products also called the “secondary corrosion” on the surface of the unearthed “primary corrosion” products due to various environme...

  • Article
  • Open Access
7 Citations
2,270 Views
17 Pages

5 October 2023

Three-phase crystallization (TPC) was introduced in this study to purify L-menthol from menthol enantiomer mixtures in consideration of the formation of solid solutions. TPC is a new separation technology, which combines melt crystallization and vapo...

  • Article
  • Open Access
1 Citations
2,030 Views
13 Pages

Thermal Stability of Lead-Free Transparent Cloisonné Glazes

  • Minsu Lee,
  • Hohyeong Kim and
  • Jae Young Park

30 May 2023

Glazes of (70 − x) ZnO-30 B2O3-x Bi2O3 with different Bi2O3 contents were prepared by the conventional melt quench technique. Differential scanning calorimetry (DSC) curves were obtained to determine the glass transition temperature (Tg) and cr...

  • Article
  • Open Access
21 Citations
2,909 Views
23 Pages

Indomethacin: The Interplay between Structural Relaxation, Viscous Flow and Crystal Growth

  • Roman Svoboda,
  • Daniela Košťálová,
  • Miloš Krbal and
  • Alena Komersová

2 September 2022

Non-isothermal differential scanning calorimetry (DSC) was used to study the influences of particle size (daver) and heating rate (q+) on the structural relaxation, crystal growth and decomposition kinetics of amorphous indomethacin. The structural r...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,268 Views
16 Pages

Nanocrystallization of Cu46Zr33.5Hf13.5Al7 Metallic Glass

  • Jaskaran S. Saini,
  • Tamara D. Koledin,
  • Tittaya Thaiyanurak,
  • Lei Chen,
  • Melissa K. Santala and
  • Donghua Xu

29 August 2023

The recently discovered Cu46Zr33.5Hf13.5Al7 (at.%) bulk metallic glass (BMG) presents the highest glass-forming ability (GFA) among all known copper-based alloys, with a record-breaking critical casting thickness (or diameter) of 28.5 mm. At present,...

  • Feature Paper
  • Article
  • Open Access
11 Citations
4,210 Views
20 Pages

Single crystal of furazolidone (FZL) has been successfully obtained, and its crystal structure has been determined. Common and distinctive features of furazolidone and nitrofurantoin (NFT) crystal packing have been discussed. Combined use of QTAIMC a...

  • Article
  • Open Access
2,063 Views
14 Pages

Effects of Morphology and Solvent/Temperature on THz Spectra: Take Nucleosides as Example

  • Fang Wang,
  • Haifeng Lin,
  • Jiawen Tong,
  • Junbin Tai,
  • Jiaen Wu,
  • Yaru Yao and
  • Yunfei Liu

4 February 2023

Water molecules were easy to combine with organic molecules and embed into the lattice of solid molecules to form a hydrate. Compared with anhydrous compounds, a hydrate has completely different physical and chemical properties. In this paper, terahe...

  • Article
  • Open Access
2 Citations
1,540 Views
14 Pages

Novel Strategy of Treating 2-Nitrobenzoic Acid Crystals with Energetic N2 Neutrals Using Cold Plasma

  • M. Aravinthraj,
  • J. Udayaseelan,
  • P. Amarnath,
  • S. Yugeswaran,
  • V. Gayathri,
  • Suraj Kumar Sinha and
  • M. Perumal

24 October 2024

The organic adduct compounds of 2-nitrobenzoic acid crystals were grown as optically transparent crystals using the conventional slow evaporation solution technique. The crystals were powdered and irradiated with cold plasma. Cell parameter analysis...

  • Article
  • Open Access
3 Citations
1,515 Views
12 Pages

10 September 2024

Martensitic transformations, viewed as continuous mappings between triply periodic minimal surfaces (TPMSs), as suggested by Hyde and Andersson (Z. Kristallogr. 1986, 174, 225–236), are extended to include paths between the initial and final ph...

  • Article
  • Open Access
404 Views
16 Pages

Thermoplastic Network Formation as a Method for Stabilizing Salt Hydrate Particles

  • Elena Averina,
  • Hartmut Fischer,
  • Olaf C. G. Adan and
  • Hendrik P. Huinink

22 November 2025

Thermochemical energy storage (TCES) utilizes chemical reactions to store thermal energy, offering a promising solution for efficient energy management. However, a significant challenge in application of TCES materials, particularly with crystal-to-c...

  • Article
  • Open Access
604 Views
18 Pages

Background/Objectives: Dihydroquercetin, known for its broad biological activities, is a key component in dietary supplements and functional foods. This study aims to identify its novel pure solid forms, advancing understanding of its physicochemical...

  • Article
  • Open Access
3 Citations
3,698 Views
22 Pages

Crystal Structure Analysis, Stability, Phase Transformation and Selective Nucleation Mechanism of Fluralaner Polymorphs

  • Guangyan Li,
  • Ting Wang,
  • Xin Huang,
  • Na Wang,
  • Lina Zhou,
  • Beiqian Tian,
  • Ziwei Feng,
  • Ailing Liu,
  • Yaling Li and
  • Hongxun Hao

11 August 2023

To better understand and control the crystallization of different polymorphs, a comprehensive crystal structure analysis was conducted by using fluralaner as a model compound, and the thermodynamic stability, phase transformation, and selective nucle...

  • Article
  • Open Access
68 Citations
13,595 Views
20 Pages

Agglomeration Control during Ultrasonic Crystallization of an Active Pharmaceutical Ingredient

  • Bjorn Gielen,
  • Jeroen Jordens,
  • Leen C. J. Thomassen,
  • Leen Braeken and
  • Tom Van Gerven

8 February 2017

Application of ultrasound during crystallization can efficiently inhibit agglomeration. However, the mechanism is unclear and sonication is usually enabled throughout the entire process, which increases the energy demand. Additionally, improper opera...

  • Article
  • Open Access
1 Citations
1,014 Views
20 Pages

The Impact of Redox Atmosphere on the High-Temperature Melting Behavior of Basalt Materials

  • Kaiwen Shi,
  • Guanli Xu,
  • Di Wu,
  • Zhen Li,
  • Hao Wang,
  • Huaiming Liu,
  • Jie Li and
  • Jiangfan Liang

2 June 2025

This study systematically reveals the fundamental mechanisms controlling redox-induced phase transformations occurring in basalt melting processes via integrated high-temperature redox experiments combined with thermodynamic simulations. Our findings...

  • Review
  • Open Access
34 Citations
14,376 Views
21 Pages

1 August 2022

d-mannitol is a common six-carbon sugar alcohol, which is widely used in food, chemical, pharmaceutical, and other industries. Polymorphism is defined as the ability of materials to crystallize into different crystal structures. It has been reported...

  • Article
  • Open Access
9 Citations
6,629 Views
16 Pages

Crystallization Kinetics: Relationship between Crystal Morphology and the Cooling Rate—Applications for Different Geological Materials

  • Namık Aysal,
  • Yiğit Kurt,
  • Hüseyin Öztürk,
  • Gulce Ogruc Ildiz,
  • Mehmet Yesiltas,
  • Davut Laçin,
  • Sinan Öngen,
  • Timur Nikitin and
  • Rui Fausto

19 July 2023

Crystal morphology is controlled by several physicochemical parameters such as the temperature, pressure, cooling rate, nucleation, diffusion, volatile composition, and viscosity. The development of different crystal morphologies is observed as a fun...

  • Article
  • Open Access
12 Citations
3,192 Views
16 Pages

20 April 2021

The present study aimed to investigate the influence of the gradual substitution of Fe2O3 by Al2O3 on the thermal properties of polyphosphate glasses. The conducted considerations based on differential scanning calorimetry (DSC) and heating microscop...

  • Article
  • Open Access
25 Citations
5,020 Views
12 Pages

Effect of Ce Doping on the Structure and Chemical Stability of Nano-α-Fe2O3

  • Junxiang Ning,
  • Peiyang Shi,
  • Maofa Jiang,
  • Chengjun Liu and
  • Xiaoliang Li

21 July 2019

Ce-doped nano-α-Fe2O3 was successfully synthesized via the hydrothermal method. The properties of the prepared particles were studied by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscopy (TEM), Fourie...

  • Article
  • Open Access
18 Citations
5,043 Views
11 Pages

High-Energy Ball Milling and Spark Plasma Sintering of the CoCrFeNiAl High-Entropy Alloy

  • Alexander S. Rogachev,
  • Nicholas A. Kochetov,
  • Anna V. Panteleeva,
  • Kirill V. Kuskov,
  • Dmitry Yu. Kovalev,
  • Alexander S. Shchukin,
  • Sergey G. Vadchenko and
  • Yury B. Scheck

8 November 2020

Nanocrystalline powder of the CoCrFeNiAl high-entropy alloy was produced by high-energy ball milling (HEBM) and consolidated by spark plasma sintering (SPS). Microstructure and crystal structure transformations occurring in the course of HEBM and SPS...

  • Article
  • Open Access
7 Citations
4,667 Views
16 Pages

18 May 2018

Recently, ionic liquids (ILs) and biodegradable polymers have become crucial functional materials in green sustainable science and technology. In this study, we investigated the influence of a novel IL, 1-ethyl-3-propylimidazolium bis(trifluoromethan...

of 12