BFO

An Approach of Step by Step Dividing Use Case Based on BFO

BFO逐级细分Usecase的方法

Characteristics of BFO algorithm is valuable for solving multi-objectives and tasks distribution optimization problems .

菌群优化算法所表现出的特性对无人机多目标任务分配等优化问题的解决是很有价值的。

The bacterial foraging optimization ( BFO ) is studied and improved in this paper .

在研究细菌觅食优化（BFO）算法机理的基础上，改进了BFO算法。

The growth of BFO on GaN ( 0002 ) substrate was studied .

论文对在GaN（0002）基片上生长BFO薄膜进行了研究。

However , the accuracy of the original BFO algorithm is not high ; the convergence rate is no fast enough .

但是，基本BFO算法也存在精度不够高、收敛速度不够快的缺点。

It was found that the leakage currents for all the BFO films increase with the increase of annealing temperature .

实验结果表明，随着退火温度的升高，BFO薄膜的漏电流逐渐增大。

The impurity formation and the abnormal grain growth phenomenon in BFO thin films were inhibited by introducing BLT layer .

BLT层的引入在一定程度上抑制了BFO中少量的杂相，而且抑制了BFO薄膜中存在的部分晶粒异常长大现象。

Bacterial Foraging Optimization ( BFO ) is a recently developed swarm intelligence algorithm based on the foraging behavior of E. coli bacteria .

菌群优化算法（BFO）是近些年来发展起来的，基于大肠杆菌觅食行为模型的一种新型群智能算法。

Therefore , it is highly important to thoroughly apply the BFO into the living and production , analyze and improve the original algorithm of BFO .

因此，分析、研究和改进BFO算法以及拓展、深入其应用，对生产、生活中各个领域的优化问题求解都具有十分重要的意义。

Compared to the content of Fe2 + in BFO , Mn substitution can suppress the generation of Fe2 + .

与BFO中的Fe2+含量相比，Mn的掺杂能有效的抑制Fe2+离子的产生。

Using XRD to determine the effects on lattice constant of the BFO layer and achieved the adjustment of BFO film strain through the buffer layer .

使用XRD的方法确定了不同缓冲层对BFO层的晶格常数的影响，实现了通过缓冲层对BFO薄膜应变的调节。

However , the two materials have different lattice structure and non-compatible growth processes , the realization of BFO epitaxially grown on GaN faces a series of technical problems .

但是，两种材料具有不同的晶格结构，生长工艺也不兼容，使得在GaN上外延生长BFO薄膜面临一系列技术问题。

Based on the successful fabrication of pure phase BFO target , we further deposited BFO thin films using RF-magnetron sputtering , and obtained the optimal fabrication parameters .

在成功制备出纯相的可用于溅射的BFO靶材的基础上，使用磁控溅射法制备BFO薄膜，通过调节不同的工艺参数，得到了磁控溅射法制备BFO薄膜的最佳工艺。

These conclusions validated the effect of the STO / TiO2 double buffer layers preliminarily , and laid the foundation of BFO & GaN integration . 2 .

这些结论初步验证了STO/TiO2双缓冲层的作用，为实现BFO与GaN的集成奠定了基础。

It was found that the self-polarization in the pure BFO film is mainly induced by the epitaxial stress between LNO electrode and BFO film .

结果表明，BFO薄膜和LNO电极之间的外延应力是纯的BFO薄膜产生自极化的主要原因。

This paper attempts to build the BFO algorithm not only has some innovation in method , but also has some sense of the theoretical innovation with more positive thinking for the existing smart computing reference .

本文尝试构建的改进BFO算法不仅具有方法上的创新，而且对现有智能计算技术具有较为积极的思想参考，从而具有一定意义上的理论创新。

Therefore , how to control leakage current and lower coercive field are the critical factors to enhance the ferroelectric properties of the BFO films and for the applications of BFO in devices .

因此，如何控制漏电流和降低矫顽场是提高BFO薄膜性能并使其能在器件中应用的关键问题。

It could be realized that the BFO ( 111 ) thin films epitaxially grown on GaN substrate by inserting the STO / TiO2 double buffer layers .

而通过插入STO/TiO2双缓冲层，实现了BFO（111）薄膜在GaN基片上的外延生长。

The influence of annealing temperature on the self-polarization of BFO film as well as the effect of ions substitution on the self-polarization of BFO-based films were discussed .

研究了退火温度对BFO薄膜自极化的影响，以及离子掺杂对BFO基薄膜自极化的影响。

Therefore , this dissertation focuses on the study of the preparations and properties of BFO based ceramics and thin films in the following aspects and some original novel results had been obtained as follows : 1 .

因此，本文主要从以下几方面开展了BFO陶瓷和薄膜的制备及其性能的研究工作并取得了一些创新性成果。

In this thesis , we systematically study the growth of BFO on GaN by pulsed laser deposition technique , providing a basis of practical utilization of the BFO / GaN integrated films . 1 .

本论文采用脉冲激光沉积技术（PLD），对GaN基片上BFO薄膜的生长进行了系统的研究，为BFO/GaN集成薄膜的实用化提供了一定的基础。

We have successfully prepared BFO / BTO / SRO / STO and BFO / STO / SRO / STO two kinds of multilayer structure epitaxial thin films .

我们成功制备了BFO/BTO/SRO/STO和BFO/STO/SRO/STO两种多层结构外延薄膜。

Moreover , dielectric , ferroelectric and leakage characteristics test results show that the buffer layer has a significant impact on the characteristics of the BFO thin film dielectric constant , remanent polarization , coercive field and leakage current .

另外，介电、铁电、和漏电等特性的测试结果表明不同的缓冲层对BFO薄膜的介电常数、剩余极化、矫顽场和漏电流等特性具有明显的影响。

In such synthesis , 2-nitroaniline or its derivatives is used as reacting agent and sodium hypochlorite as oxidant in the catalysis of alkali metal hydrates to synthesize BFO or its derivatives .

这类合成以邻硝基苯胺一类化合物为原料，在碱金属氢氧化物催化作用下，用次氯酸钠氧化合成得到苯并呋咱-N-氧化物（BFO）或其衍生物。

With the continuous perfection of BFO algorithm theory and the development of computer technology , it is becoming more and more popular in the control field and being used to solve optimization problems . It has gradually shown its great vitality and extensive application prospect .

随着菌群优化算法理论的不断完善和计算机技术的发展，菌群优化算法被越来越多的应用于控制领域及解决一些优化问题，逐渐展现出其强大的生命力和广阔的应用前景。

Superior ferroelectric properties with the remanent polarizations ( Pr ) of about 100 μ C / cm2 have been observed in polycrystalline and epitaxial BFO films deposited using pulsed-laser deposition , sputtering and metal organic chemical vapor deposition .

具有优异性能的多晶和外延的BFO薄膜已被激光脉冲沉积，磁控溅射以及化学气相沉积法制备成功，其剩余极化强度（Pr）达到了100μC/cm2。

However , due to the large lattice mismatch of BFO and GaN in the relationship , BFO films grown in island mode . So , the BFO films were polycrystalline and had a large number of defects , showing poor electrical properties .

但是在这种外延关系下BFO与GaN的晶格失配较大，BFO薄膜以岛状模式生长，生长的BFO薄膜为多晶薄膜，并具有大量的缺陷，表现出较差的电学性能。

The BFO / STO / TiO2 / AlGaN / GaN heterostructure was prepared and the effect of ferroelectric performance of the epitaxial BFO thin films on the intrinsic electrical properties of AlGaN / GaN was explored preliminarily .

制备了BFO/STO/TiO2/AlGaN/GaN异质结构，初步探索了外延生长的BFO薄膜的铁电性对AlGaN/GaN本征电学性能的影响。

To resolve these problems , four basic behaviors of the BFO algorithm behavior has been redefined and improved , and new concepts was introduced to improve the process of the entire algorithm . The improved BFO algorithm is called Advanced BFO algorithm ( ABFO ) .

本文中，为了解决上述问题，对基本菌群算法的4个行为进行了重新定义，并将新的概念引入到算法中，提出了一种改进的菌群优化算法（ABFO）。

The results showed that in the presence of initiating agent BFO , MAA grafted PP ( MAA - g - PP ) and MAH grafting PP ( MAH - g - PP ) could be prepared by the solid phase grafting technology .

结果表明：在BPO引发下，利用固相接枝工艺可制备出接枝率较高的MAA-g-PP及MAH-g-PP；