Temperature-Dependent Charge Transport in Al/Al Nanocrystal Embedded Al2O3 Nanocomposite/p-Si Diodes

2012 ◽  
Vol 1 (1) ◽  
pp. Q4-Q7 ◽  
Author(s):  
Z. Liu ◽  
T. P. Chen ◽  
Y. Liu ◽  
M. Yang ◽  
J. I. Wong ◽  
...  
2018 ◽  
Vol 757 ◽  
pp. 221-227 ◽  
Author(s):  
Seung Bae Son ◽  
Yonghun Kim ◽  
Byungjin Cho ◽  
Chel-Jong Choi ◽  
Woong-Ki Hong

2020 ◽  
Vol 12 (3) ◽  
pp. 333-336
Author(s):  
Jungmoon Lim ◽  
Gahyun Ahn ◽  
Inho Jeong ◽  
Hyunwook Song

We report on the temperature-dependent transport behaviors of large-area molecular junctions fabricated with poly-(3,4-ethylene-dioxythiophene) stabilized with polystyrene sulphonic acid (PEDOT:PSS) interlayer electrodes and the archetypal benzenethiol molecules. In this study, we investigated two different benzenethiol molecules: 4-methylbenzenethiol (MBT) and 1,4-benzenedithiol (BDT), which have the identical backbone structure but different top end-groups. The charge transport through the molecular junctions was dominated by distinct interfacial contact properties between the PEDOT:PSS electrodes and the component molecules. We also observed that the electrical characteristics of the MBT junctions are influenced by the PEDOT grain size, particularly depending on the annealing temperature.


AIP Advances ◽  
2017 ◽  
Vol 7 (12) ◽  
pp. 125229 ◽  
Author(s):  
Cesar A. Nieves ◽  
Luis M. Martinez ◽  
Anamaris Meléndez ◽  
Margarita Ortiz ◽  
Idalia Ramos ◽  
...  

2012 ◽  
Vol 111 (7) ◽  
pp. 073703 ◽  
Author(s):  
Christopher J. Lombardo ◽  
Vahid A. Akhavan ◽  
Matthew G. Panthani ◽  
Brian W. Goodfellow ◽  
Brian A. Korgel ◽  
...  

2020 ◽  
Vol 20 (5) ◽  
pp. 2803-2812
Author(s):  
Chaitali Mondal ◽  
M. L. Nanda Goswami ◽  
Swapan K. Mandal

We report on the bistability in spin states of spin crossover (SCO) compound Fe(phen)2(NCS)2 in polymer (polypyrrole) by frequency (1–100 kHz) and temperature dependent (305–457 K) electrical conductivity measurements. The structure and growth of SCO compounds in conducting polymer are obtained by scanning electron microscopy, X-ray diffraction and optical absorption measurements. The thermal dependence of ac conductivity σ(ω) shows the clear formation of a hysteresis loop in its cooling and heating cycle due to the difference in conductivity in high spin and low spin state. The size, shape and width of the hysteresis loops are found to be critically dependent on the applied frequency and/or the ratio between SCO and polymer. The ac conductivity is found to exhibit a dispersive behavior following Jonscher’s law: σ(ω) ∝ ωn below a critical frequency ωc, above which it is found to monotonically decrease with increasing frequency. The thermal dependence of the exponent n and ωc is also explored. The charge transport phenomena are explained in the framework of hopping of charge carriers. The data reveals that addition of polymer can play an important role to tune the conductivity of SCO compounds and its spin state dependence characteristics which may be quite helpful for fabricating future spin-based devices. Temperature dependent magnetic susceptibility measurement also confirms the spin transition behavior of the SCO/ppy composite samples. These SCO/ppy composite samples can be taken as the reliable nanomaterials fabricated with the concept of future spin based nanoarchitectonics.


2020 ◽  
Vol 22 (46) ◽  
pp. 26910-26916
Author(s):  
Jun Woo Jeon ◽  
Hyun-Seok Jang ◽  
Won Taek Jung ◽  
Byung Hoon Kim

Temperature-dependent charge transport properties of pyroprotein-based electronic yarns fabricated from pyrolysis of commercial silk with different heat treatment temperatures were analyzed for the first time.


Sign in / Sign up

Export Citation Format

Share Document