Article
Synthesis, growth, XRD, NLO, CHNSO, computational-structural, dielectric, photoconductivity, hardness and biostudies of diethyl 2-amino-5-{4-[bis (4-methyl phenyl) amino] benzamido} thiophene-3,4-dicarboxylate (DABMPABTD) macro-, nano crystals for device fabrication, pharma, electronic uses
The organic materials are predominant over their pair offs based on their intense applications and vital utilities. The DABMPABTD crystal is synthesized by solution growth method under reduced pressure. The yi...
Article
Growth and XRD, Elemental, Mechanical, Dielectric, Optical and Photoconductivity, and Surface Morphological Characterizations of 2-[4-(Trifluoromethyl) phenyl]-1H-benzimidazole (TFMPHB) Crystals for Electronic, Mechanical Applications
Nonlinear optical crystalline material is the fascinating tool for the optoelectronic devices and for phase-matched equipments, frequency matching circuits and etc. Present study portrays the synthesize and ut...
Article
Synthesis, growth, XRD, NLO, CHNSO, structure by theoretical approach, dielectric, absorbance, photoconductivity and bio studies of 4-(4-Acetyl-5-Methyl-1H-1, 2, 3-Triazol-1-yl) Benzonitrile crystals for optical, opto-electronic, and photonics utilities
4-(4-Acetyl-5-Methyl-1H-1, 2, 3-Triazol-1-yl) Benzonitrile—AMHTYB crystal is effectively synthesized and grown successfully by slow-evaporation technique. The grown sample is monoclinic in nature which is iden...
Article
XRD, CHNSO, fluorescence, filter-influx, NLO, photoconductivity, hardness and helical spring-fabricated device stress analysis of 2′-chloro-4-methoxy-3-nitrobenzil (CMNB) crystal of different scalings for opto-electronic filter and band gap engineering utilities
2′-Chloro-4-methoxy-3-nitrobenzil(CMNB) crystals are grown by solution growth method, and organic crystalline materials are utilized due to their enhanced applications as frequency multipliers, phase matched equ...
Article
Characteristics of low latitude ionospheric E-region irregularities linked with daytime VHF scintillations measured from Varanasi
VHF amplitude scintillations recorded during the daytime period from January 1991 to December 1993, April 1998 to December 1999 and January 2008 to December 2008 at low latitude station Varanasi (geographic la...
Article
Open AccessCharacteristics of discrete VLF falling-tone chorus emissions observed at low latitude ground station Jammu
The discrete VLF chorus emissions recorded at low latitude ground station Jammu (geomag. lat. = 22°26′N,L= 1.17) are reported and their characteristics based on spectral analysis have been carried out. These di...
Article
Quasi-periodic VLF emissions observed during daytime at a low latitude Indian ground station Jammu
This paper reports quasi-periodic pulsing hiss emissions recorded during daytime in the frequency range of 50 Hz-15 kHz at low latitude station Jammu (geomag. lat. = 22°26′N;L= 1.17). It is noted that pulsing V...
Article
Thunderstorms, Lightning, Sprites and Magnetospheric Whistler-Mode Radio Waves
Thunderstorms and the lightning that they produce are inherently interesting phenomena that have intrigued scientists and mankind in general for many years. The study of thunderstorms has rapidly advanced duri...
Article
观察不寻常的啸叫声白天t Jammu
In this paper, we report observations of unusual whistlers recorded at Jammu (geomag. lat. = 22°26′N;L= 1.17), India on March 8, 1999 during the daytime. They are interpreted as one-hop ducted whistlers having ...
Article
Observation of very low frequency emissions at Indian Antarctic station, Maitri
Recently, we have succeeded in recording VLF emissions at the Indian Antarctic station, Maitri (geom. lat. 62°S, geom. long. 57.23°E,L= 45) using a T-type antenna, pre/main amplifiers and digital audio tape reco...
Article
快速电子发射刺激的特点uced during the cleavage of crystals
The present paper reports the fast electron emission produced during the cleavage of alkali halide crystals and models the dynamics of the process. The mechano-emission arises as a result of the ionization of ...
Article
VLF emissions from ionospheric/magnetospheric plasma
VLF emissions such as hiss, chorus, oscillating tones, hiss-triggered chorus and whistler triggered emissions have been observed at low latitude Indian stations. In this paper we present dynamic spectra of the...
Article
Ionospheric plasma by VHF waves
The amplitude scintillations of very high frequency electromagnetic wave transmitted from geo-stationary satellite at 244.168 MHz have been recorded at Varanasi (geom. lat. 14′ 55′N) during 1991 to 1999. The d...
Article
Matched filtering-parameter estimation method and analysis of whistlers recorded at Varanasi
The matched filtering technique is based on the digital-construction of theoretical whistlers and their comparison with observed whistlers. The parameters estimated from the theoretical and experimental whistl...
Article
Open AccessAn experimental study of hiss-triggered chorus emissions at low latitude
Hiss-triggered chorus emissions recorded at low-latitude ground station Gulmarg (geomag. lat., 24°26N; geomag. long., 147°09E, L = 1.28) on March 8, 1986 are reported. From the detailed spectral analysis of th...
Article
Two types of ELF hiss observed at Varanasi, India
The morphology of ELF hiss events observed at low-latitude ground station Varanasi (L= 1.07, geomagnetic latitude 14°55′N) are reported, which consist of two types: (1) events which propagated in ducted mode alo...
Chapter
Thermoplastic elastomers based on elastomer/thermoplastic blends dynamically vulcanized
Elastomer—thermoplastic blends have become technologically useful as thermoplastic elastomers in recent years [1–3]. They have many of the properties of elastomers but are processable as thermoplastics [4]. Th...
Chapter
Thermoplastic elastomers by blending and dynamic vulcanization
Thermoplastic elastomers (TPEs) are a class of polymeric materials that have many of the performance-related properties of conventional thermoset elastomers but are melt processable as thermoplastics. Over the...
Article
Synthesis, spectroscopic, and crystal structure aspects of (2,2′-bipyridyl) (l-prolinato)palladium(II)chloridetrihydrate
