1. Introduction. Alloying, an important strategy to change the properties of metal materials, has been widely used for centuries. The requirement for higher-performance materials leads to a new class of alloying strategies containing multiple components in high concentrations [1].Along with the enthalpic interactions [2], such …BCC Annual Fund; Gil Sandler Fund; Alumni Association; Friends of the BCC Choir; Trustees of Scholarships; PTSA; CONTACT. ... Annual City / Poly Golf Tournament. July 29, 2024. Click To Register. See the latest updates! Share. 3rd OLDEST HIGH SCHOOL IN US. Est. 1839. COLLEGE ACCEPTANCE 2023. 93%. COLLEGE SCHOLARSHIPS 2023. …Over the past decade, multi-principal elements (MPE) alloys, or high-entropy alloys (HEAs) [Citation 1, Citation 2], have increasingly attracted research attention due to their unusual mechanical properties, such as high strength/hardness [Citation 3], good wear resistance [Citation 4], and excellent thermal stability [Citation 5].Lattice distortion has been widely …Bcc stands for blind carbon copy and works similar to the Cc field in that the same mail will be sent to everyone in this field, except, no one can see who is Bcc’d …09 Feb 2011 ... PP I feel the same way. Hopefully things will change. report.Certificate Programs are designed for individuals who wish to upgrade their skills but are not currently seeking college degrees or who wish to add another specialization to their degree. Animal Care Management Requirements: Certificate (.pdf) Assistant of Children with Special Needs Requirements: Certificate (.pdf) Automotive Technician Requirements: Certificate … The Registrar will not take walk-in appointments for enrollments. Please be sure to bring the following required materials to your registration appointment: 1. Completed New Student Packet. 2. Parent / Guardian. 3. **Proof of Residency in the B-CC High School Area. 4. ABSTRACT. A new bcc Ti-rich high-entropy alloy (HEA) of composition Ti 35 Zr 27.5 Hf 27.5 Nb 5 Ta 5 was designed using the ‘d-electron alloy design’ approach. The tensile behavior displays a marked transformation-induced plasticity effect resulting in a high normalized work-hardening rate of 0.103 without loss of ductility when compared to the …FILE - Arkansas Gov. Sarah Huckabee Sanders signs an education overhaul bill into law, March 8, 2023, at the state Capitol in Little Rock, Ark. On … News. Book Sale Recap. Ethan Whitten, Amelia Zalubas, and Seth Gehl • March 22, 2024. Bethesda-Chevy Chase High School's Parent-Teacher-Student Association (PTSA) hosted its annual Used Book Sale on March 9 and 10, attracting book lovers from the community. The event, organized by the dedicated members of the PTSA, proved to be a major... BCC is the most common skin cancer in humans, with increasing incidence rates worldwide. Men generally have higher rates of BCC than women. …@DavidAKring • 07/29/15 This answer was first published on 07/29/15. For the most current information about a financial product, you should always check and confirm accuracy with t...The clock has been ticking since the city’s population peaked in 1950, but after decades of emigration, time finally ran out, and Detroit became the United States’ largest-ever mun...Naviance for Parents -. Naviance Student is a mobile-responsive site, for both students and parents, that employs intuitive tools that personalize and simplify the college and career planning process. Parents and/or Guardians have mostly view-only access. ... Your district should have sent you a registration code for use with Naviance Student.In this work, the origin of {332} BCC twinning was investigated in a body-centered-cubic (BCC) high entropy alloy (TiZrHf) 87 Ta 13 (at.%). Detailed transmission electron microscopy analysis of the deformed microstructure revealed that a special ‘‘{351}’’< 2 ¯ 11 > α" type II twinning generates in the early deformation stage, and with further …Sending bulk email through Outlook can be achieved a couple of ways. One way is to put all the email addresses in the “Bcc:” field. Although this is a simple process, having a lot ...Here, we investigate the dislocation structure behind a shock-wave front in bcc high-entropy alloys (HEAs) using large-scale molecular dynamics (MD) simulations. In contrast to bcc elemental metals, we find anomalous “extended“ edge dislocation structure (6 ~ 8 Burgers vector) with high stability in shock compressed TiZrNb and NiCoFeTi …Amazon founder Bezos sold 50mn shares worth $8.5bn in the ecommerce group in February. Andy Jassy, Amazon’s chief executive, sold … Browse Bethesda-Chevy Chase High School from Bethesda, Maryland yearbooks online. Register for free to search for Bethesda-Chevy Chase High School from Bethesda, Maryland yearbooks, or buy a printed copy of Bethesda-Chevy Chase High School from Bethesda, Maryland yearbooks today. Bethesda-Chevy Chase High School - Class of 1974. BCC. Bethesda-Chevy Chase High School. Bethesda, MD USA. Friday March 22, 2024. 1974. The following can be concluded from this work: 1. The alloy spinodally decomposes from a high temperature single phase BCC/B2 to a two-phase microstructure forming a continuous network of B2 channels around the cuboidal BCC precipitates. The composition of the two phases continuously change up to about 5 h of annealing at.The body centered cubic (BCC) high entropy alloys (HEAs) MoNbTaW and MoNbTaVW show exceptional strength retention up to 1900K. The mechanistic origin of the ...To design the RSA with a bcc matrix and homogeneously dispersed-coherent B2 precipitates, we extensively screened the compositions that meet the following criteria: (1) Only bcc and B2 phases are stable at moderate temperatures, (2) only a single bcc phase is stable at high temperatures, i.e., higher than the temperatures of bcc+B2 two-phase region, and (3) the …The screw dislocation in the random alloy is found to move significantly (>20A) between applied shear stresses of 0.035 and 0.04μ at 0 K, where μ is the 111 shear modulus (39 GPa), a very high Peierls barrier, similar to BCC metals. The high Peierls barrier is assumed to have it's origin in the non-planarity of the core as well as solute ... This orientation is open to all incoming 9th and 10th graders as well as any new 11th and 12th graders. The orientation will be held on Thursday, August 26,2021, from 7:45-11:30 a.m. at Bethesda-Chevy Chase High School. Students who would normally ride a bus will be able to take their bus to and from school on that date. High entropy alloys (HEAs), or compositionally complex alloys (CCAs), have inspired a new era in alloy design 1,2.Particularly the body-centered cubic (bcc) HEAs composed of refractory elements ...The Insider Trading Activity of Dallas H James on Markets Insider. Indices Commodities Currencies StocksFurther up towards the top of the film, the high-resolution image along with the FFT patterns in Fig. 2d show that locally individual Mg layers can be entirely bcc or entirely hcp. The FFT pattern labeled as ‘1′ in Fig. 2d is consistent with the 〈 11 2 ¯ 0 〉 orientation of hcp Mg, whereas the FFT pattern labeled as ‘2′ is consistent with the 〈 111 〉 …This list is not comprehensive, and BCC can also appear as high temperature/pressure phases, in solidified nonmetals, or in alloys. BCC metals …BCC, Basal cell carcinoma; HF-BCC, high-frequency basal cell carcinoma; N/A, not applicable. ∗ Eligible participants within the IBM MarketScan Databases at least 18 years old in 2012 and enrolled continuously within the study period from January 1, 2012, to December 31, 2014.1. Introduction. High Entropy Alloys (HEAs) attracted massive interest in recent years as they are expected to withstand high temperatures and exhibit outstanding properties, such as high hardness, fracture toughness, fatigue-, wear-, oxidation-, as well as corrosion resistance [1].HEAs consist of at least five different, often metallic, elements … Bethesda-Chevy Chase High School. 4301 East-west Hwy, Bethesda, Maryland | (240) 740-0400. # 574 in National Rankings. Overall Score 96.75 /100. Who attends BC High? How will I know if I belong? Contact us today to learn more about the enrollment process and how you can apply.They really don't want you to fly cheap. If you’re a frequent flier, you know all about air travel hacks. Whether it’s when to book the cheapest tickets, or how to get out of an ai... Staff. B-CC Educational Foundation Grants. Bell Schedules. Bulletin. Careers in MCPS. Field Trip School Bus Ticket/Order. Office of Human Resources and Development. Staff Directory. Support Programs for Students. Oct 13, 2023 · Definition / general. Basal cell carcinoma (BCC) arises from the interfollicular or follicular epithelium. Most common malignant tumor type in humans. Local aggressive course. Low disease associated death rate; metastases to lung and bone exceptionally rare. Mechanistic origin of high strength in refractory bcc high entropy alloys up to 1900k. Acta Mater., 182 (2020), pp. 235-249. View PDF View article View in Scopus Google Scholar [45] A. Ghafarollahi, W.A. Curtin. Screw-controlled …Nov 24, 2022 · W is the prototype for BCC. The Body-Centered Cubic (BCC) unit cell can be imagined as a cube with an atom on each corner, and an atom in the cube’s center. It is one of the most common structures for metals. BCC has 2 atoms per unit cell, lattice constant a = 4R/√3, Coordination number CN = 8, and Atomic Packing Factor APF = 68%. Abstract. This present work simulated the coherent BCC/B2 microstructures existing in body-centered-cubic (BCC)-based Al-Ni-Co-Fe-Cr high entropy alloys (HEAs) in light of the phase-field method. These coherent BCC/B2 microstructures contain spherical or cuboidal nanoprecipitates, or exhibit a weave-like spinodal …March 20, 2024. Basal cell carcinoma is the most common form of skin cancer, but it can be easy to miss, or mistake for another skin issue. Doctors often …Here, we investigate the dislocation structure behind a shock-wave front in bcc high-entropy alloys (HEAs) using large-scale molecular dynamics (MD) simulations. In contrast to bcc elemental metals, we find anomalous “extended“ edge dislocation structure (6 ~ 8 Burgers vector) with high stability in shock compressed TiZrNb and NiCoFeTi …SAN JUAN, Puerto Rico (AP) — Puerto Rico’s health secretary declared an epidemic on Monday following a spike in dengue cases. The U.S. …Clinical practice guidelines for hepatocellular carcinoma surveillance for people at high risk in Australia. 22 September 2023. Read More. Liver cancer. National Cervical Screening Program: Guidelines for the management of screen-detected abnormalities, ...In email, CC stands for carbon copy, while BCC stand for blind carbon copy. Those email addresses listed under CC in an email get a copy of the email, and everyone on the list can ... ©1995–2024 MCPS, 850 Hungerford Drive, Rockville, Maryland 20850. MCPS Home; Parents; Students; Curriculum; Athletics; Schools; Staff; About; Contact; Privacy ... This is the official web site for the Bethesda-Chevy Chase High School Class of 1966.Basal cell carcinoma (BCC) is a common, locally invasive, keratinocytic, or nonmelanoma skin cancer. It is also known as rodent ulcer and basalioma. Patients with BCC often develop multiple primary tumours over time. Basal cell carcinoma can be pigmented or nonpigmented. Its subtypes include: Other less common variants.BCC Annual Fund; Gil Sandler Fund; Alumni Association; Friends of the BCC Choir; Trustees of Scholarships; PTSA; CONTACT. ... Annual City / Poly Golf Tournament. July 29, 2024. Click To Register. See the latest updates! Share. 3rd OLDEST HIGH SCHOOL IN US. Est. 1839. COLLEGE ACCEPTANCE 2023. 93%. COLLEGE SCHOLARSHIPS 2023. …BCC means Blind Carbon Copy, and it works the same way as the CC field, but other email recipients won’t see the address of the BCCed person or be notified that a …High-entropy alloys (HEAs) are potential alternative materials for accident-tolerant fuel cladding due to their excellent irradiation resistance and high-temperature corrosion resistance. In this work, two novel body-centered cubic (bcc) structured Mo 0.5 NbTiVCr 0.25 and Mo 0.5 NbTiV 0.5 Zr 0.25 HEAs were fabricated.However, the clinical recognition of high-risk BCC subtypes is often challenging, and scarce evidence exists on their dermoscopic criteria. Hence, the aim of the present study is to investigate the dermoscopic criteria of the four histopathologically aggressive BCC subtypes and identify possible correlations with patients’ demographic …The head of Ethiopia's biggest commercial bank has told the BBC that customers who withdrew more money than was in their accounts because of a …Abstract: ：An analytical model is established to study the influence of lattice distortion and fraction of Hf on the yield strength of the BCC TiNbTaZrHf x multi-component high entropy alloys (HEAs). Meanwhile, the mechanism of solid solution strengthening caused by lattice distortion is also discussed in the HEA.In Ti 34 Al 33 V 33, a bcc structure is stable at high temperatures and a hcp phase precipitates during cooling. Hcp-structured Ru, Sc, Co, and Zr were selected as additional elements to investigate the change in phase stability of a bcc phase of TiAlV. In Ti 34 Zr 33 Hf 33, a hcp structure is stable at room temperature.The BCC solid solution act as the ductility phase and the silicide with very high strength act as the strengthening phase in the NbMoTiVSi x RHEAs [35]. On the other aspect, study on the eutectic high entropy alloys show that the fine eutectic structure can strengthened the alloys [4, 36].Choosing the right tech can make all the difference on your next trip. This guide will help you pick a laptop or tablet to suit your needs. We may be compensated when you click on ...As airlines are increasing documentation and other requirements for emotional support animals, the DOT has now issued final rules on the matter. On Thursday afternoon, the Departme...BCC Undergraduate STEM Day On Thursday, April 11, from 9 - 3:30, ... USGIF is currently offering scholarship opportunities for high school seniors, undergraduates, graduates, and doctoral students. The application deadline for the …24 Mar 2023 ... State champion title defenders, Churchill High School travelled up the road to BCC for this one under the light. Chruchill quickly turned on ...Two distinct high-entropy major phases with a fcc and bcc structure were formed in all annealing experiments, while precipitation of the minor σ-phase occurred only at 1073 K. Our results are indicative of the occurrence of specific crystal lattice transformations taking place in major fcc and bcc phases during annealing and cooling …To design the RSA with a bcc matrix and homogeneously dispersed-coherent B2 precipitates, we extensively screened the compositions that meet the following criteria: (1) Only bcc and B2 phases are stable at moderate temperatures, (2) only a single bcc phase is stable at high temperatures, i.e., higher than the temperatures of bcc+B2 two-phase region, and (3) the …Compared to other body-centered cubic (bcc) transition metals, Nb has been the subject of fewer compression studies and there are still aspects of its phase diagram which are unclear. Here, we ...This table summarizes the number and type of interstitial sites for simple cubic, body-centered cubic, face-centered cubic, and hexagonal close-packed crystals. Interstitial Sites in the Basic Crystal Structures (SC, BCC, FCC, HCP) Check out my in-depth article about interstitial sites if you would like more diagrams, or proof of these values.SAN JUAN, Puerto Rico (AP) — Puerto Rico’s health secretary declared an epidemic on Monday following a spike in dengue cases. The U.S. …Here, we investigate the dislocation structure behind a shock-wave front in bcc high-entropy alloys (HEAs) using large-scale molecular dynamics (MD) simulations. In contrast to bcc elemental metals, we find anomalous “extended“ edge dislocation structure (6 ~ 8 Burgers vector) with high stability in shock compressed TiZrNb and NiCoFeTi …Fig. 3 shows a “non-twinning sense” stacking fault in BCC along (112), named NTS.The NTS n series of stacking faults, with displacements along [11 1 ¯], produce a sheared structure without the appearance of a twin boundary [12], [15].The solid line shows the connection path between the various (112) planes and the dashed line shows the location of the fault.Bcc High Purity Iron. Masahito UCHIKOSHI, 1) * Kengo MATSUDA, 1,2) Yusuke ONUKI, 3) Kozo SHINODA 4) and Shigeru SUZUKI 5) 1) Institute of Multidisciplinary Research for Advanced Materials, Tohoku ...Choosing the right tech can make all the difference on your next trip. This guide will help you pick a laptop or tablet to suit your needs. We may be compensated when you click on ...1. Introduction. High-entropy alloys (HEAs) are multicomponent alloys with high concentrations of all alloying elements. Alloys within this new class of structural metal alloys demonstrate impressive combinations of properties such as high strength and high fracture toughness [1], [2], [3], [4].These attractive properties have driven an intense …In today’s fast-paced business environment, effective team collaboration is crucial for successful project management. One often overlooked tool that can greatly enhance collaborat...This list is not comprehensive, and BCC can also appear as high temperature/pressure phases, in solidified nonmetals, or in alloys. BCC metals …Atomistic methods are used to anneal two body-centered cubic (BCC) chemically complex alloys (CCAs) in order to assess the effect of chemical short-range order on alloy strength. The two alloys, a model quaternary Co 16.67 Fe 36.67 Ni 16.67 Ti 30 and ternary Nb 33.33 Ti 33.33 Zr 33.33, are represented using simple Zhou interatomic …BitConnect (BCC) was an allegedly open source cryptocurrency and the native token of the now-defunct ponzi scheme BitConnect. ... and earn dividends by signing other users up in addition to sky-high payouts. From a starting value of near zero, BCC reached highs of $471 in December 2017.STATE GRID OVERS.INV.(BVI)LTD. (XS1811214086) - All master data, key figures and real-time diagram. The State Grid Overseas Investment [BVI] Ltd.-Bond has a maturity date of 5/2/20...BCC helps protect the privacy of your secondary recipients by keeping those email addresses confidential. Alternatively, you can use it if you …In Ti 34 Al 33 V 33, a bcc structure is stable at high temperatures and a hcp phase precipitates during cooling. Hcp-structured Ru, Sc, Co, and Zr were selected as additional elements to investigate the change in phase stability of a bcc phase of TiAlV. In Ti 34 Zr 33 Hf 33, a hcp structure is stable at room temperature.Despite the high amount of BCC, which is referred to as the brittle phase, newly developed EHEAs exhibited superior fracture toughness. Interestingly, we discovered that a fully eutectic HEA exhibited further improvements in both yield stress and fracture toughness, outperforming our off-eutectic and other previously reported HEAs.Tensile responses of Co 25 Ni 25 Fe 25 Al 7.5 Cu 17.5 high-entropy alloys are investigated using a combination of molecular dynamics and Monte Carlo simulation under wide range of strain rate and initial temperature.. Plastic deformation is dominated by the FCC-BCC phase transformation, leading to an increase in both strength and ductility.High entropy alloys (HEAs) are of great interest due to their excellent mechanical,[Citation 1–4] magnetic[Citation 5–7] and electronic properties.[Citation 8, Citation 9] Refractory HEAs, such as bcc NbMoTaW, possess extraordinary mechanical properties, comparable to current state-of-the-art nickel-based superalloys, [Citation 4, …High-entropy alloys greatly expand the alloy design range and offer new possibilities for improving material performance. Based on the worldwide research efforts in the last decade, the excellent mechanical properties and promising radiation and corrosion resistance of this group of materials have been demonstrated. High-entropy alloys with …In the world of email marketing, businesses are constantly looking for innovative ways to reach and engage their audience. While many marketers focus on personalization and segment...SAN JUAN, Puerto Rico (AP) — Puerto Rico’s health secretary declared an epidemic on Monday following a spike in dengue cases. The U.S. …23 Feb 2024 ... ... high fire risk Wednesday. Weather / 2 hours ago. DC News Now at 4 p.m.. Weather / 4 hours ago. Montgomery County police facing staffing shortage.Use BBC Bitesize to help with your homework, revision and learning from KS1 to GCSE. Find free videos, step-by-step guides, activities and quizzes.... high increment of super messages to incur and not scalable for mass sending at high volumes in Journeys. Is it possible to add a proofing list at the job ...Who attends BC High? How will I know if I belong? Contact us today to learn more about the enrollment process and how you can apply.The student experience at Bronx Career & College Preparatory High School includes a diverse range of curricula, extracurricular activities, and opportunities to bond as a community. We offer many options for our students to choose from, making them directly involved in designing their own educational and career path. Get in touch to learn more ... Varsity Head Coach: Ben Minturn. Junior Varsity Head Coach: Jim Spletzer. Varsity Team Managers: Meg McKinney, Crissy Upston, Nicole Jean. Junior Varsity Team Manager: Susan Higgins. Football Team Treasurer: Alisha Griffey. Payment Purpose (**FILL OUT PLAYER NAME BELOW) - Donate / Pay. If your PowerPoint presentations are feeling a little robotic and your slides could use some freshening up, SlideFinder is a PowerPoint presentation search engine that can help you... The AP Program. AP courses follow a curriculum mandated by the College Board. Exams and papers during the year are prepared and graded by B-CC teachers. Registration for AP exams takes place in late winter (February-March). AP exams prepared by the College Board are given in May, and are graded by the College Board on a 1 to 5 scale, with 5 ...
Wednesday, Mar 13, 2024. On Wednesday, Mar 13, 2024, the Bethesda-Chevy Chase Varsity Girls Basketball team won their game against North Point High School by a score of 51-31. Tournament Game. 2024 MPSSAA Girls Basketball State Championships (Maryland) Class 4A. Bethesda-Chevy Chase 51. . Sequoia mental health services
BCC Undergraduate STEM Day On Thursday, April 11, from 9 - 3:30, ... USGIF is currently offering scholarship opportunities for high school seniors, undergraduates, graduates, and doctoral students. The application deadline for the …Training: Use the Bcc field to hide the names and addresses of recipients in an email message.Basal cell carcinoma (BCC) is a common, locally invasive, keratinocytic, or nonmelanoma skin cancer. It is also known as rodent ulcer and …There are two main types: basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). BCC accounts for about 70% of non-melanoma skin cancers. It begins in the lower layer of the epidermis (top, outer layer of the skin). It can appear anywhere on the body but most commonly develops on parts of the body that receive high or intermittent sun ...The term “cc” in email stands for “carbon copy.” It indicates that an email message is being copied to someone who is not the primary recipient. The term “bcc” stands for blind car...Not sure if you should Reply, Reply All, Cc, or Bcc on that email? Tired of seeing others misuse all four? This post breaks it down. Trusted by business builders worldwide, the Hub...It is a standard treatment for BCC in all risk groups. Mohs surgery removes the cancer in layers, little by little, until no cancer remains. It is mainly done for high-risk BCC, especially on the face, or when high-risk BCC could not be completely removed by surgical excision. It may also be used to treat recurrent BCC.The head of Ethiopia's biggest commercial bank has told the BBC that customers who withdrew more money than was in their accounts because of a … Our high school, our own alma mater, And the echo of this our song—. To the Blue and the Gold we will raise our song, To the Blue of loyalty; to the Gold that stands for the glory gained and the honor still to be, To the work and fun and friendships won, Evermore we'll give a cheer, And we'll raise our Flag of Blue and Gold Even higher year ... The crystallographic mechanism of the BCC→FCC transformation has been suggested to be lattice shear in [0 \(\overline 1\) 1] BCC by 28.7% on (011) BCC as the habit plane, as expressed in Fig. 3g 46.FCC: octahedral sites bigger than tetrahedral BCC: tetrahedral sites bigger than octahedral. Although BCC has more total room for interstitial atoms, … Our high school, our own alma mater, And the echo of this our song—. To the Blue and the Gold we will raise our song, To the Blue of loyalty; to the Gold that stands for the glory gained and the honor still to be, To the work and fun and friendships won, Evermore we'll give a cheer, And we'll raise our Flag of Blue and Gold Even higher year ... Chemical map of high-entropy alloys. We now set out to navigate the huge chemical space of quinary alloys from the combination of 40 elements. To set ourselves in the best scenario for the ... Staff. B-CC Educational Foundation Grants. Bell Schedules. Bulletin. Careers in MCPS. Field Trip School Bus Ticket/Order. Office of Human Resources and Development. Staff Directory. Support Programs for Students. Tuesday, Mar 5, 2024. On Tuesday, Mar 5, 2024, the Bethesda-Chevy Chase Varsity Boys Basketball team lost their Whitman HS game against Whitman High School by a score of 54-59. Tournament Game. 2024 MPSSAA Boys Basketball State Championships (Maryland) Class 4A. While VEC remains the main driver for FCC ↔ BCC transitions, wherein very high and low VEC values result in FCC and BCC respectively, other features (namely – metallic radius asymmetry, cohesive energy, covalent radius asymmetry and elastic modulus asymmetry) also contribute significantly towards the phase stabilities when VEC values lie in the intermediate …However, the clinical recognition of high-risk BCC subtypes is often challenging, and scarce evidence exists on their dermoscopic criteria. Hence, the aim of the present study is to investigate the dermoscopic criteria of the four histopathologically aggressive BCC subtypes and identify possible correlations with patients’ demographic …FILE - Arkansas Gov. Sarah Huckabee Sanders signs an education overhaul bill into law, March 8, 2023, at the state Capitol in Little Rock, Ark. On …Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite.1. Introduction. High-entropy alloys (HEAs) are multicomponent alloys with high concentrations of all alloying elements. Alloys within this new class of structural metal alloys demonstrate impressive combinations of properties such as high strength and high fracture toughness [1], [2], [3], [4].These attractive properties have driven an intense ….