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Strategies to achieve high performance piezoelectric nanogenerators EI Scopus SCIE
期刊论文 | 2019 , 55 , 288-304 | Nano Energy
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Abstract :

© 2018 Elsevier Ltd Piezoelectric nanogenerators have attracted much attention in the past decade. In this study, the development of piezoelectric nanogenerators and their progress toward high power generation is discussed. The characteristics and application range of numerous types of piezoelectric nanogenerators are also considered. In addition, several strategies that may improve the performance of piezoelectric nanogenerators are summarized. Here, we compare the open circuit voltages and short circuit currents of various piezoelectric nanogenerators under different factors, and the current problems of piezoelectric nanogenerators are also discussed. Finally, the future prospects and directions of piezoelectric nanogenerators are predicted. Future studies should be focused on the production of high-performance materials, the establishment of working principle and simulation model, the integration of nanogenerator, and the design of the energy harvesting circuit. Hence, it is emergency to search for functional materials with high piezoelectricity and further improve the electromechanical properties of existing piezoelectric materials. Moreover, further research is needed to increase the stability and flexibility of composite materials, to develop wearable and embedded flexible functional devices based on the biocompatibility of inorganic nanoparticles, and to supply power for microelectronic systems.

Keyword :

BaTiO3 Chemical doping Composite thin film materials Nanostructure Piezoelectric nanogenerators PVDF

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GB/T 7714 Hu, Dengwei , Yao, Minggang , Fan, Yong et al. Strategies to achieve high performance piezoelectric nanogenerators [J]. | Nano Energy , 2019 , 55 : 288-304 .
MLA Hu, Dengwei et al. "Strategies to achieve high performance piezoelectric nanogenerators" . | Nano Energy 55 (2019) : 288-304 .
APA Hu, Dengwei , Yao, Minggang , Fan, Yong , Ma, Chunrui , Fan, Mingjin , Liu, Ming . Strategies to achieve high performance piezoelectric nanogenerators . | Nano Energy , 2019 , 55 , 288-304 .
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Voltage-Tuned Transport Properties and Ferromagnetic Resonance in Lanthanum-Strontium-Manganite/Lead-Magnesium-Niobate-Lead-Titanate Multiferroic Heterostructures EI SCIE Scopus
期刊论文 | 2018 , 9 | IEEE MAGNETICS LETTERS
WoS CC Cited Count: 1
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Abstract :

We demonstrate piezostrain-induced modulation of transport and ferromagnetic resonance (FMR) properties in the La0.5Sr0.5MnO3 (LSMO5)/0.7Pb(Mg1/3Nb2/3)O-3-0.3PbTiO(3) (PMN-PT) (0 0 1) multiferroic heterostructures. The poling strain leads to the enhancement of the double exchange interaction and the reduction of Jahn-Teller electron-lattice distortion in the LSMO5 film, showing a maximum resistance decrease of 27% at 105 K, around which temperature the maximum magnetoresistance change of 10% is tuned by the piezostrain. The FMR response to the strain changes is probed by temperature-dependent electron spin resonance spectra, showing the largest FMR field shift of 220 Oe at the Neel temperature of 193 K. The magnetoelectric coupling behavior at the antiferromagnetic phase of LSMO5 film was dominated by the two-magnon scattering effect, which provides a new route for voltage-controllable magnetism in future spintronic devices.

Keyword :

two-magnon scattering antiferromagnetism Magneto-electronics magneto-electric coupling multiferroic heterostructures

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GB/T 7714 Zhu, Mingmin , Hu, Zhongqiang , Li, Chao et al. Voltage-Tuned Transport Properties and Ferromagnetic Resonance in Lanthanum-Strontium-Manganite/Lead-Magnesium-Niobate-Lead-Titanate Multiferroic Heterostructures [J]. | IEEE MAGNETICS LETTERS , 2018 , 9 .
MLA Zhu, Mingmin et al. "Voltage-Tuned Transport Properties and Ferromagnetic Resonance in Lanthanum-Strontium-Manganite/Lead-Magnesium-Niobate-Lead-Titanate Multiferroic Heterostructures" . | IEEE MAGNETICS LETTERS 9 (2018) .
APA Zhu, Mingmin , Hu, Zhongqiang , Li, Chao , Xue, Xu , Yang, Guang , Ren, Wei et al. Voltage-Tuned Transport Properties and Ferromagnetic Resonance in Lanthanum-Strontium-Manganite/Lead-Magnesium-Niobate-Lead-Titanate Multiferroic Heterostructures . | IEEE MAGNETICS LETTERS , 2018 , 9 .
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A Highly Thermostable In2O3/ITO Thin Film Thermocouple Prepared via Screen Printing for High Temperature Measurements EI SCIE PubMed Scopus
期刊论文 | 2018 , 18 (4) | SENSORS
WoS CC Cited Count: 2
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Abstract :

An In2O3/ITO thin film thermocouple was prepared via screen printing. Glass additives were added to improve the sintering process and to increase the density of the In2O3/ITO films. The surface and cross-sectional images indicate that both the grain size and densification of the ITO and In2O3 films increased with the increase in annealing time. The thermoelectric voltage of the In2O3/ITO thermocouple was 53.5 mV at 1270 degrees C at the hot junction. The average Seebeck coefficient of the thermocouple was calculated as 44.5 mu V/degrees C. The drift rate of the In2O3/ITO thermocouple was 5.44 degrees C/h at a measuring time of 10 h at 1270 degrees C.

Keyword :

screen printing thermocouple thermoelectric response Seebeck coefficient

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GB/T 7714 Liu, Yantao , Ren, Wei , Shi, Peng et al. A Highly Thermostable In2O3/ITO Thin Film Thermocouple Prepared via Screen Printing for High Temperature Measurements [J]. | SENSORS , 2018 , 18 (4) .
MLA Liu, Yantao et al. "A Highly Thermostable In2O3/ITO Thin Film Thermocouple Prepared via Screen Printing for High Temperature Measurements" . | SENSORS 18 . 4 (2018) .
APA Liu, Yantao , Ren, Wei , Shi, Peng , Liu, Dan , Zhang, Yijun , Liu, Ming et al. A Highly Thermostable In2O3/ITO Thin Film Thermocouple Prepared via Screen Printing for High Temperature Measurements . | SENSORS , 2018 , 18 (4) .
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A new kind of thermocouple made of p-type and n-type semi-conductive oxides with giant thermoelectric voltage for high temperature sensing EI SCIE Scopus
期刊论文 | 2018 , 6 (13) , 3206-3211 | JOURNAL OF MATERIALS CHEMISTRY C
WoS CC Cited Count: 5 SCOPUS Cited Count: 5
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Abstract :

A new kind of thermocouple consisting of n-type and p-type semi-conductive oxides with a giant thermoelectric voltage is reported. The thermocouple was fabricated from n-type La0.8Sr0.2CrO3 and p-type In2O3 and it exhibits a high thermoelectric voltage of 410.3 mV at 1270 degrees C, which is the highest value reported for any type of thermocouples to date. This achievement challenges the long-established material selection principles for thermocouples and opens a new way for designing highly sensitive thermal sensors. The thermocouple developed in this work has great potential for practical applications in high temperature sensing in harsh environments.

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GB/T 7714 Liu, Dan , Shi, Peng , Ren, Wei et al. A new kind of thermocouple made of p-type and n-type semi-conductive oxides with giant thermoelectric voltage for high temperature sensing [J]. | JOURNAL OF MATERIALS CHEMISTRY C , 2018 , 6 (13) : 3206-3211 .
MLA Liu, Dan et al. "A new kind of thermocouple made of p-type and n-type semi-conductive oxides with giant thermoelectric voltage for high temperature sensing" . | JOURNAL OF MATERIALS CHEMISTRY C 6 . 13 (2018) : 3206-3211 .
APA Liu, Dan , Shi, Peng , Ren, Wei , Liu, Yantao , Niu, Gang , Liu, Ming et al. A new kind of thermocouple made of p-type and n-type semi-conductive oxides with giant thermoelectric voltage for high temperature sensing . | JOURNAL OF MATERIALS CHEMISTRY C , 2018 , 6 (13) , 3206-3211 .
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Temperature induced interface and optical properties of the multi-layer nanotube network EI SCIE Scopus
期刊论文 | 2018 , 123 (22) | JOURNAL OF APPLIED PHYSICS
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Abstract :

The ever-increasing demand for larger surface area, well-defined, and conformal multi-layer nanostructures in gas sensor, catalyst and solar cell applications has propelled the exploration of such nanostructures within an atomic resolution. The atomic layer deposition (ALD) technique is ideal for the synthesis of these nanostructures due to its excellent step coverage ability on high aspect ratio nanostructures. In this work, different coaxial nanotube networks are successfully fabricated by electrospinning and ALD, with a well-controlled phase. We systematically studied the temperature-induced microstructures and photoluminescence property evolution of the nanotube network. The Al2O3/ZnO/Al2O3 tri-layer nanotube network is obtained by sintering at 400 degrees C, and a ZnAl2O4 core-shell nanotube structure has formed by the Kirkendall effect by further post-annealing at 700 degrees C. Oxygen accumulation is clearly observed at the small neck feature, but the Zn and Al elements are uniformly distributed along the whole nanotube. Photoluminescence emission obtained in this work is so broad that it almost covers the whole visible light wavelength range. The results indicate that the microstructures and photoluminescence properties can be well-controlled by the post-annealing temperature. It provides an available platform for realizing conformal 3D nano-devices. Published by AIP Publishing.

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GB/T 7714 Zhang, Yijun , Liu, Ming , Peng, Bin et al. Temperature induced interface and optical properties of the multi-layer nanotube network [J]. | JOURNAL OF APPLIED PHYSICS , 2018 , 123 (22) .
MLA Zhang, Yijun et al. "Temperature induced interface and optical properties of the multi-layer nanotube network" . | JOURNAL OF APPLIED PHYSICS 123 . 22 (2018) .
APA Zhang, Yijun , Liu, Ming , Peng, Bin , Zhou, Ziyao , Wang, Chenying , Jing, Weixuan et al. Temperature induced interface and optical properties of the multi-layer nanotube network . | JOURNAL OF APPLIED PHYSICS , 2018 , 123 (22) .
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Low-Voltage Control of (Co/Pt)(X) Perpendicular Magnetic Anisotropy Heterostructure for Flexible Spintronics EI SCIE PubMed Scopus
期刊论文 | 2018 , 12 (7) , 7167-7173 | ACS NANO
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Abstract :

The trend of mobile Internet requires portable and wearable devices as bio-device interfaces. Electric field control of magnetism is a promising approach to achieve compact, light-weight, and energy-efficient wearable devices. Within a flexible sandwich heterostructure, perpendicular magnetic anisotropy switching was achieved via low-voltage gating control of an ionic gel in mica/Ta/(Pt/Co)(x)/Pt/ionic gel/Pt, where (Pt/Co)(x) acted as a functional layer. By conducting in situ VSM, EPR, and MOKE measurements, a 1098 Oe magnetic anisotropy field change was determined at the bending state with tensile strain, corresponding to a magnetic anisotropy energy change of 3.16 x 10(5) J/m(3) and a giant voltage tunability coefficient of 0.79 X 10(5) J/m(3).V. The low voltage and strain dual control of magnetism on mica substrates enables tunable flexible spintronic devices with an increased degree of manipulation.

Keyword :

ferromagnetic resonance flexible magnetoelectric devices perpendicular magnetic anisotropy ionic gel gating voltage control of magnetism

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GB/T 7714 Zhao, Shishun , Zhou, Ziyao , Li, Chunlei et al. Low-Voltage Control of (Co/Pt)(X) Perpendicular Magnetic Anisotropy Heterostructure for Flexible Spintronics [J]. | ACS NANO , 2018 , 12 (7) : 7167-7173 .
MLA Zhao, Shishun et al. "Low-Voltage Control of (Co/Pt)(X) Perpendicular Magnetic Anisotropy Heterostructure for Flexible Spintronics" . | ACS NANO 12 . 7 (2018) : 7167-7173 .
APA Zhao, Shishun , Zhou, Ziyao , Li, Chunlei , Peng, Bin , Hu, Zhongqiang , Liu, Ming . Low-Voltage Control of (Co/Pt)(X) Perpendicular Magnetic Anisotropy Heterostructure for Flexible Spintronics . | ACS NANO , 2018 , 12 (7) , 7167-7173 .
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Recent progress of multiferroic magnetoelectric devices EI SCIE CSCD PKU
期刊论文 | 2018 , 67 (15) | ACTA PHYSICA SINICA
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Abstract :

Multiferroic composites possess the coupling effect among mechanical, electrical, and magnetic ordering, showing potential applications in compact, fast, and low-power magnetoelectric devices. Owing to the increasing application demand, the researches of device design, micro-/nano-fabrication, and performance test of magnetoelectric devices have made continuous progress. In this review, we briefly introduce several prototype devices based on magnetoelectric coupling, analyze the noteworthy application techniques, and summarize the working mechanisms and performances of devices including tunable inductors, RF/microwave filters, magnetoelectric memories, energy harvesters, magnetoelectric sensors, magnetoelectric antennas, etc. Besides, we discuss the issues and challenges in researches of multiferroic magnetoelectric devices, and present the perspectives for improving the device performance.

Keyword :

magnetoelectric sensor tunable filter magnetoelectric memory magnetoelectric coupling effect

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GB/T 7714 Yu Bin , Hu Zhong-Qiang , Cheng Yu-Xin et al. Recent progress of multiferroic magnetoelectric devices [J]. | ACTA PHYSICA SINICA , 2018 , 67 (15) .
MLA Yu Bin et al. "Recent progress of multiferroic magnetoelectric devices" . | ACTA PHYSICA SINICA 67 . 15 (2018) .
APA Yu Bin , Hu Zhong-Qiang , Cheng Yu-Xin , Peng Bin , Zhou Zi-Yao , Liu Ming . Recent progress of multiferroic magnetoelectric devices . | ACTA PHYSICA SINICA , 2018 , 67 (15) .
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Achieving Higher Strength and Sensitivity toward UV Light in Multifunctional Composites by Controlling the Thickness of Nanolayer on the Surface of Glass Fiber EI SCIE PubMed Scopus
期刊论文 | 2018 , 10 (27) , 23399-23405 | ACS APPLIED MATERIALS & INTERFACES
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Abstract :

The interphase between fiber and matrix plays an essential role in the performance of composites. Therefore, the ability to design or modify the interphase is a key technology needed to manufacture stronger and smarter composite. Recently, depositing nanomaterials onto the surface of the fiber has become a promising approach to optimize the interphase and composites. But, the modified composites have not reached the highest strength yet, because the determining parameters, such as thickness of the nanolayer, are hardly controlled by the mentioned methods in reported works. Here, we deposit conformal ZnO nanolayer with various thicknesses onto the surfaces of glass fibers via the atomic layer deposition (ALD) method and a tremendous enhancement of interfacial shear strength of composites is achieved. Importantly, a critical thickness of ZnO nanolayer is obtained for the first time, giving rise to a maximal relative enhancement in the interfacial strength, which is more than 200% of the control fiber. In addition, the single modified fiber exhibits a potential application as a flexible, transparent, in situ UV detector in composites. And, we find the UV-sensitivity also shows a strong correlation with the thickness of ZnO. To reveal the dependence of UV-sensitivity on thickness, a depletion thickness is estimated by a proposed model which is an essential guide to design the detectors with higher sensitivity. Consequently, such precise tailoring of the interphase offers an advanced way to improve and to flexibly control various macroscopic properties of multifunctional composites of the next generation.

Keyword :

interfacial strength UV detector atomic layer deposition multifunctional composites ZnO nanolayer

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GB/T 7714 Sun, Chao , Zhang, Jie , Gao, Shang-Lin et al. Achieving Higher Strength and Sensitivity toward UV Light in Multifunctional Composites by Controlling the Thickness of Nanolayer on the Surface of Glass Fiber [J]. | ACS APPLIED MATERIALS & INTERFACES , 2018 , 10 (27) : 23399-23405 .
MLA Sun, Chao et al. "Achieving Higher Strength and Sensitivity toward UV Light in Multifunctional Composites by Controlling the Thickness of Nanolayer on the Surface of Glass Fiber" . | ACS APPLIED MATERIALS & INTERFACES 10 . 27 (2018) : 23399-23405 .
APA Sun, Chao , Zhang, Jie , Gao, Shang-Lin , Zhang, Nan , Zhang, Yi-Jun , Zhuang, Jian et al. Achieving Higher Strength and Sensitivity toward UV Light in Multifunctional Composites by Controlling the Thickness of Nanolayer on the Surface of Glass Fiber . | ACS APPLIED MATERIALS & INTERFACES , 2018 , 10 (27) , 23399-23405 .
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Self-Polarization in Epitaxial Fully Matched Lead-Free Bismuth Sodium Titanate Based Ferroelectric Thin Films EI SCIE PubMed Scopus
期刊论文 | 2018 , 10 (28) , 23945-23951 | ACS APPLIED MATERIALS & INTERFACES
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Abstract :

The Bi0.5Na0.5TiO3-based ferroelectric is one of the most promising candidates for environment-friendly lead-free ferroelectric/piezoelectric materials for various applications such as actuators and micro-electromechanical systems. The understanding and tailoring of the ferro-(piezo-)electric properties of thin films, however, are strongly hindered by the formation of the defects such as dislocations, ion vacancies in the film, as well as by the complexity of the interface between the film and the substrate. An ideal system for the study of the polarization behavior in the ferro-(piezo-)electric film would be a fully matched system. In this work, monocrystalline 0.89Bi(0.5)Na(0.5)TiO(3)-0.11BaTiO(3) thin films were epitaxially grown on (001)-oriented Nb-doped SrTiO3 substrates using a sol gel technique. The films were almost fully lattice- and thermally matched with the substrate, thus avoiding the impact of dislocations and thermal stress. The films were self-poled by a built-in electric field, originating from the sedimentation of heavier atoms during the film preparation. As a consequence, an upward self-polarization was introduced into the films, giving rise to asymmetric phase hysteresis loops and domain switching current responses. These results highlight the importance of the interface complexity for the self-polarization of piezoelectric thin films, even for fully matched films, which will therefore facilitate the control of properties of piezoelectric films and their applications for various functional devices.

Keyword :

epitaxial growth thermally matched lattice-matched sol-gel thin film lead-free

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GB/T 7714 Zhao, Jinyan , Niu, Gang , Ren, Wei et al. Self-Polarization in Epitaxial Fully Matched Lead-Free Bismuth Sodium Titanate Based Ferroelectric Thin Films [J]. | ACS APPLIED MATERIALS & INTERFACES , 2018 , 10 (28) : 23945-23951 .
MLA Zhao, Jinyan et al. "Self-Polarization in Epitaxial Fully Matched Lead-Free Bismuth Sodium Titanate Based Ferroelectric Thin Films" . | ACS APPLIED MATERIALS & INTERFACES 10 . 28 (2018) : 23945-23951 .
APA Zhao, Jinyan , Niu, Gang , Ren, Wei , Wang, Lingyan , Dong, Guohua , Zhang, Nan et al. Self-Polarization in Epitaxial Fully Matched Lead-Free Bismuth Sodium Titanate Based Ferroelectric Thin Films . | ACS APPLIED MATERIALS & INTERFACES , 2018 , 10 (28) , 23945-23951 .
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Large Piezoelectric Strain with Superior Thermal Stability and Excellent Fatigue Resistance of Lead-Free Potassium Sodium Niobate-Based Grain Orientation-Controlled Ceramics EI SCIE PubMed Scopus
期刊论文 | 2018 , 10 (12) , 10220-10226 | ACS APPLIED MATERIALS & INTERFACES
WoS CC Cited Count: 1 SCOPUS Cited Count: 2
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Abstract :

Environment-friendly lead-free piezoelectric materials with high piezoelectric response and high stability in a wide temperature range are urgently needed for various applications. In this work, grain orientation-controlled (with a 90% < 001 >(c)-oriented texture) (K,Na)NbO3-based ceramics with a large piezoelectric response (d(33)*) = 505 pm V-1 and a high Curie temperature (T-C) of 247 degrees C have been developed. Such a high d(33)* value varies by less than 5% from 30 to 180 degrees C, showing a superior thermal stability. Furthermore, the high piezoelectricity exhibits an excellent fatigue resistance with the d(33)* value decreasing within only by 6% at a field of 20 kV cm(-1) up to 10(7) cycles. These exceptional properties can be attributed to the vertical morphotropic phase boundary and the highly < 001 >(c)-oriented textured ceramic microstructure. These results open a pathway to promote lead-free piezoelectric ceramics as a viable alternative to lead-based piezoceramics for various practical applications, such as actuators, transducers, sensors, and acoustic devices, in a wide temperature range.

Keyword :

RTGG thermal stability large piezoelectric strain lead-free piezoelectric ceramics KNN-based ceramics

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GB/T 7714 Quan, Yi , Ren, Wei , Niu, Gang et al. Large Piezoelectric Strain with Superior Thermal Stability and Excellent Fatigue Resistance of Lead-Free Potassium Sodium Niobate-Based Grain Orientation-Controlled Ceramics [J]. | ACS APPLIED MATERIALS & INTERFACES , 2018 , 10 (12) : 10220-10226 .
MLA Quan, Yi et al. "Large Piezoelectric Strain with Superior Thermal Stability and Excellent Fatigue Resistance of Lead-Free Potassium Sodium Niobate-Based Grain Orientation-Controlled Ceramics" . | ACS APPLIED MATERIALS & INTERFACES 10 . 12 (2018) : 10220-10226 .
APA Quan, Yi , Ren, Wei , Niu, Gang , Wang, Lingyan , Zhao, Jinyan , Zhang, Nan et al. Large Piezoelectric Strain with Superior Thermal Stability and Excellent Fatigue Resistance of Lead-Free Potassium Sodium Niobate-Based Grain Orientation-Controlled Ceramics . | ACS APPLIED MATERIALS & INTERFACES , 2018 , 10 (12) , 10220-10226 .
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