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Article ; Online: Shape dependent multiferroic behavior in Bi

Sahoo, Aditi / Bhattacharya, Dipten / Das, Moumita / Mandal, Prabhat

2022 Volume 33, Issue 30

Abstract: Ferroelectric and magnetic properties are investigated for ... ...

Abstract	Ferroelectric and magnetic properties are investigated for Bi
Language	English
Publishing date	2022-05-04
Publishing country	England
Document type	Journal Article
ZDB-ID	1362365-5
ISSN	1361-6528 ; 0957-4484
ISSN (online)	1361-6528
ISSN	0957-4484
DOI	10.1088/1361-6528/ac667d
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Temperature-dependent dielectric properties of CsPb

Sahoo, Aditi / Paul, Tufan / Maiti, Soumen / Banerjee, Rupak

Nanotechnology

2022 Volume 33, Issue 19

Abstract: Two dimensional (2D) ... ...

Abstract	Two dimensional (2D) CsPb
Language	English
Publishing date	2022-02-15
Publishing country	England
Document type	Journal Article
ZDB-ID	1362365-5
ISSN	1361-6528 ; 0957-4484
ISSN (online)	1361-6528
ISSN	0957-4484
DOI	10.1088/1361-6528/ac4fe5
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Article ; Online: Preferential perovskite surface-termination induced high piezoresponse in lead-free

Sahoo, Aditi / Paul, Tufan / Nath, Ankan / Maiti, Soumen / Kumar, Prabhat / Ghosh, Prasenjit / Banerjee, Rupak

Nanoscale

2023 Volume 15, Issue 27, Page(s) 11603–11615

Abstract: Lead-free halide perovskites have gained immense popularity in photovoltaic and energy harvesting applications because of their excellent optical and electrical attributes with minimal toxicity. We synthesized composite films of lead-free ... ...

Abstract	Lead-free halide perovskites have gained immense popularity in photovoltaic and energy harvesting applications because of their excellent optical and electrical attributes with minimal toxicity. We synthesized composite films of lead-free Cs
Language	English
Publishing date	2023-07-13
Publishing country	England
Document type	Journal Article
ZDB-ID	2515664-0
ISSN	2040-3372 ; 2040-3364
ISSN (online)	2040-3372
ISSN	2040-3364
DOI	10.1039/d3nr01517c
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Article ; Online: Halide Tunablility Leads to Enhanced Biomechanical Energy Harvesting in Lead-Free Cs

Paul, Tufan / Sahoo, Aditi / Maiti, Soumen / Gavali, Deepak S / Thapa, Ranjit / Banerjee, Rupak

ACS applied materials & interfaces

2023 Volume 15, Issue 29, Page(s) 34726–34741

Abstract: The main challenges impeding the widespread use of organic-inorganic lead halide perovskites in modern-day technological devices are their long-term instability and lead contamination. Among other environmentally convivial and sustainable alternatives, ... ...

Abstract	The main challenges impeding the widespread use of organic-inorganic lead halide perovskites in modern-day technological devices are their long-term instability and lead contamination. Among other environmentally convivial and sustainable alternatives, Cs
Language	English
Publishing date	2023-07-13
Publishing country	United States
Document type	Journal Article
ISSN	1944-8252
ISSN (online)	1944-8252
DOI	10.1021/acsami.3c04031
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Article ; Online: Vortex flow induced self-assembly in CsPbI

Paul, Tufan / Maity, Avisek / Bairi, Partha / Sahoo, Aditi / Maiti, Soumen / Singh, Manoj / Ghosh, Barnali / Banerjee, Rupak

Dalton transactions (Cambridge, England : 2003)

2024 Volume 53, Issue 14, Page(s) 6333–6342

Abstract: We present a facile and versatile strategy for enabling ... ...

Abstract	We present a facile and versatile strategy for enabling CsPbI
Language	English
Publishing date	2024-04-02
Publishing country	England
Document type	Journal Article
ZDB-ID	1472887-4
ISSN	1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
ISSN (online)	1477-9234 ; 1364-5447
ISSN	0300-9246 ; 1477-9226
DOI	10.1039/d4dt00013g
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Article ; Online: Solution-processed light-induced multilevel non-volatile wearable memory device based on CsPb

Paul, Tufan / Sarkar, Pranab Kumar / Maiti, Soumen / Sahoo, Aditi / Chattopadhyay, Kalyan Kumar

Dalton transactions (Cambridge, England : 2003)

2022 Volume 51, Issue 10, Page(s) 3864–3874

Abstract: Despite the recent advancements in memory devices, the quest for building materials with low power consumption is still on, with the ultimate focus on the durability of the system and reliability and reproducibility of its performance. Halide perovskites ...

Abstract	Despite the recent advancements in memory devices, the quest for building materials with low power consumption is still on, with the ultimate focus on the durability of the system and reliability and reproducibility of its performance. Halide perovskites (HPs), which have several intriguing photoelectrical traits, have recently been utilized for memory applications; one of the highlights of these materials is the ionic-motion-based fast switching in their crystal structure. In this work, a CsPb
Language	English
Publishing date	2022-03-08
Publishing country	England
Document type	Journal Article
ZDB-ID	1472887-4
ISSN	1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
ISSN (online)	1477-9234 ; 1364-5447
ISSN	0300-9246 ; 1477-9226
DOI	10.1039/d1dt03699h
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Book ; Online: Electric-field-driven resistive transition in multiferroic SrCo$_2$Fe$_{16}$O$_{27}$/Sr$_3$Co$_2$Fe$_{24}$O$_{41}$composite

Mishra, Shubhankar / Ghosh, Chandan K. / Sahoo, Aditi / Bhattacharya, Dipten / Mondal, Suchandal / Mandal, P.

2021

Abstract: We report observation of electric-field-driven resistive transition at a characteristic threshold field $E_{th}(T)$ across a temperature range 10-200 K in an off-stoichiometric composite of (~80 vol%) W- and (~20 vol%) Z-type hexaferrites. The dielectric ...

Abstract	We report observation of electric-field-driven resistive transition at a characteristic threshold field $E_{th}(T)$ across a temperature range 10-200 K in an off-stoichiometric composite of (~80 vol%) W- and (~20 vol%) Z-type hexaferrites. The dielectric constant $\epsilon$ and the relaxation time constant $\tau$ too exhibit anomalous jump at $E_{th}(T)$. The $E_{th}(T)$, the extent of jump in resistivity ($\Delta\rho$), and the hysteresis associated with the jump [$\Delta E_{th}(T)$] are found to decrease systematically with the increase in temperature ($T$). Several temperature-driven phase transitions have also been noticed in low and high resistive states (LRS and HRS). The temperature-driven conduction turns out to be governed by activated hopping of small polarons at all the phases with electric ($E$) and magnetic ($H$) field dependent activation energy $U(E,H)$. Interestingly, as the temperature is raised, the $E$-driven conduction at a fixed temperature evolves from $\textit{Ohmic}$ to $\textit{non-Ohmic}$ across 10-200 K and within 110-200 K, $\rho$ follows three-dimensional variable range hopping (3D-VRH) with stretched exponential $\sim$ $exp[(E_0/E)^4]$ or power law $\sim$ $(E_0/E)^m$ ($m$ varies within $\sim$0.6-0.7 and $\sim$0.6-0.8 at LRS and HRS, respectively) dependence depending on the localization length ($\zeta_E$) to diffusion length ($d_E$) ratio associated with $E$-driven conduction. The $\rho(E,T)$ follows universal scaling only at LRS within 10-110 K but not at higher temperature or at HRS. The entire set of observations has been discussed within the framework of structural evolution of the point-defect (cation vacancies or oxygen excess) network. This comprehensive map of esoteric $\rho-E-T-H$ and $\epsilon-E-T-H$ patterns provides insights on defect driven effects in a composite useful for tuning both the resistive transition and multiferroicity. Comment: 12 pages, 9 figures
Keywords	Condensed Matter - Strongly Correlated Electrons ; Condensed Matter - Materials Science
Subject code	541
Publishing date	2021-12-12
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Book ; Online: Room-temperature surface multiferroicity in Y$_2$NiMnO$_6$ nanorods

Mishra, Shubhankar / Roy, Amritendu / Sahoo, Aditi / Satpati, Biswarup / Roychowdhury, Anirban / Mohanty, P. K. / Ghosh, Chandan Kumar / Bhattacharya, Dipten

2022

Abstract: We report observation of surface-defect-induced room temperature multiferroicity - surface ferromagnetism ($M_S$ at 50 kOe $\sim$0.005 emu/g), ferroelectricity ($P_R$ $\sim$2 nC/cm$^2$), and significantly large magnetoelectric coupling (decrease in $P_R$ ...

Abstract	We report observation of surface-defect-induced room temperature multiferroicity - surface ferromagnetism ($M_S$ at 50 kOe $\sim$0.005 emu/g), ferroelectricity ($P_R$ $\sim$2 nC/cm$^2$), and significantly large magnetoelectric coupling (decrease in $P_R$ by $\sim$80\% under $\sim$15 kOe field) - in nanorods (diameter $\sim$100 nm) of double perovskite Y$_2$NiMnO$_6$ compound. In bulk form, this system exhibits multiferroicity only below its magnetic transition temperature $T_N$ $\approx$ 70 K. On the other hand, the oxygen vacancies, formed at the surface region (thickness $\sim$10 nm) of the nanorods, yield long-range magnetic order as well as ferroelectricity via Dzyloshinskii-Moriya exchange coupling interactions with strong Rashba spin-orbit coupling. Sharp drop in $P_R$ under magnetic field indicates strong cross-coupling between magnetism and ferroelectricity as well. Observation of room temperature magnetoelectric coupling in nanoscale for a compound which, in bulk form, exhibits multiferroicity only below 70 K underscores an alternative pathway for inducing magnetoelectric multiferroicity via surface defects and, thus, in line with magnetoelectric property observed, for example, in domain walls or boundaries or interfaces of heteroepitaxially grown thin films which do not exhibit such features in their bulk. Comment: 10 pages, 7 figures, published in Phys. Rev. B
Keywords	Condensed Matter - Materials Science
Subject code	530
Publishing date	2022-06-23
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Secondary Structure-Dependent Physicochemical Interaction of Oligonucleotides with Gold Nanorod and Photothermal Effect for Future Applications: A New Insight.

Das, Upasana / Sahoo, Aditi / Haldar, Subhash / Bhattacharya, Sudin / Mandal, Syam Sundar / Gmeiner, William H / Ghosh, Supratim

ACS omega

2018 Volume 3, Issue 10, Page(s) 14349–14360

Abstract: We investigate the physicochemical interactions of gold nanorod (GNR) with single-stranded, double-stranded, and hairpin DNA structures to improve the biological compatibility as well as the therapeutic potential, including the photothermal effect of the ...

Abstract	We investigate the physicochemical interactions of gold nanorod (GNR) with single-stranded, double-stranded, and hairpin DNA structures to improve the biological compatibility as well as the therapeutic potential, including the photothermal effect of the conjugates. Studies have demonstrated that different DNA secondary structures, containing thiol group, have different patterns of physicochemical interaction. Conjugation efficiency of paired oligonucleotides are significantly higher than that of oligonucleotides with naked bases. Furthermore, hairpin-shaped DNA structures are most efficient in terms of conjugation and increased dispersion, with least interference on GNR near-infrared absorbance and photothermal effect. Our conjugation method can successfully exchange the overall coating of the GNR, attaching the maximum number of DNA molecules, thus far reported. Chemical mapping depicted uniform attachment of thiolated DNA molecules without any topological preference on the GNR surface. Hairpin DNA-coated GNR are suitable for intracellular uptake and remain dispersed in the cellular environment. Finally, we conjugated GNR with 5-fluoro-2'-deoxyuridine-containing DNA hairpin and the conjugate demonstrated significant cytotoxic activity against human cervical cancer cell line (KB). Thus, hairpin DNA structures could be utilized for optimal dispersion and photothermal effect of GNR, along with the delivery of cytotoxic nucleotides, developing the concept of multimodality approach.
Language	English
Publishing date	2018-10-30
Publishing country	United States
Document type	Journal Article
ISSN	2470-1343
ISSN	2470-1343
DOI	10.1021/acsomega.8b00969
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