نتایج جستجو برای: electric modulus

تعداد نتایج: 169237  

Journal: :Fizika tverdogo tela 2023

Using the technique of impedance spectroscopy, data on effect magnitude variable signal and constant bias kinetic characteristics Ag x MoSe 2 samples were obtained. The temperature parameters spectra studied compounds their dielectric characteristics, which analyzed within framework electrical modulus formalism, is also shown. Keywords: impedance, intercalates, molybdenum diselenide, silver, pe...

Journal: :Biophysical journal 2004
Michael Schwarzott Peter Lasch Dieter Baurecht Dieter Naumann Urs Peter Fringeli

The effect of electric fields on dry oriented multibilayers of dimyristoylphosphatidylcholine (DMPC) was investigated by transmission Fourier transform infrared electric field modulated excitation (E-ME) spectroscopy. A periodic rectangular electric potential (0-150 V, 1.25 Hz, 28.4 degrees C +/- 0.2 degrees C) was applied across the sample. To discriminate electric field-induced effects from p...

Journal: :Nanotechnology 2013
Shiliang Wang Guoliang Chen Han Huang Shujun Ma Hongyi Xu Yuehui He Jin Zou

Single-crystal tungsten nanobelts with thicknesses from tens to hundreds of nanometers, widths of several micrometers and lengths of tens of micrometers were synthesized using chemical vapor deposition. Surface energy minimization was believed to have played a crucial role in the growth of the synthesized nanobelts enclosed by the low-energy {110} crystal planes of body-centered-cubic structure...

2017
Naoum Karchev

In this paper we give a derivation of a system of equations which generalize the London brothers and Ginzburg–Landau systems of equations, to describe the electrodynamics of s-wave superconductors. First, we consider a relativistically covariant theory in terms of gauge four-vector electromagnetic potential and scalar complex field. We use the first-order formalism to obtain the supplemented Ma...

Journal: :Science 2003
Takashi Saito Tadahiko Furuta Jung-Hwan Hwang Shigeru Kuramoto Kazuaki Nishino Nobuaki Suzuki Rong Chen Akira Yamada Kazuhiko Ito Yoshiki Seno Takamasa Nonaka Hideaki Ikehata Naoyuki Nagasako Chihiro Iwamoto Yuuichi Ikuhara Taketo Sakuma

We describe a group of alloys that exhibit "super" properties, such as ultralow elastic modulus, ultrahigh strength, super elasticity, and super plasticity, at room temperature and that show Elinvar and Invar behavior. These "super" properties are attributable to a dislocation-free plastic deformation mechanism. In cold-worked alloys, this mechanism forms elastic strain fields of hierarchical s...

Journal: :Bioscience, biotechnology, and biochemistry 2002
Petr Dejmek Osato Miyawaki

The impedance at frequencies of 1-1000 kHz and dynamic bending storage modulus measured by the vibrating reed method were compared for potato tuber tissue, which had been processed by various methods. Raw potato tuber tissue strips were either heated for 30 min up to 100 degrees C or frozen-thawed. Some samples were osmotically dehydrated in a mannitol solution up to a concentration of 0.7 mol/...

2016
Minglin Li Yaling Wan Liping Tu Yingchao Yang Jun Lou

Structural defects in monolayer molybdenum disulfide (MoS2) have significant influence on the electric, optical, thermal, chemical, and mechanical properties of the material. Among all the types of structural defects of the chemical vapor phase-grown monolayer MoS2, the VMoS3 point defect (a vacancy complex of Mo and three nearby S atoms) is another type of defect preferentially generated by th...

Journal: :Nanoscale 2015
Yanjie Wang Min Li Yizhuo Gu Xiaohua Zhang Shaokai Wang Qingwen Li Zuoguang Zhang

Carbon nanotubes are ideal scaffolds for designing and architecting flexible graphite films with tunable mechanical, electrical and thermal properties. Herein, we demonstrate that the assembly of aligned carbon nanotubes with different aggregation density and morphology leads to different mechanical properties and anisotropic electrical conduction along the films. Using drying evaporation under...

2014
Atanas Todorov Atanasov

The study describes a physical model of vibrating microtubules in living cells, presented as strings and bars. Calculated are proper-frequencies of first four vibration modes of transverse and longitudinal waves on microtubules. For microtubules with length 1-30μm and shear modulus 5.0×10 N/m the proper-frequencies of standing transverse waves fall in diapason of 1×10 5×10 Hz. For microtubules ...

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